urban hydrology for small watersheds - professor patel ... · scs runoff curve number method ........

United StatesDepartment ofAgriculture

NaturalResourcesConservationService

ConservationEngineeringDivision

TechnicalRelease 55

June 1986

Urban Hydrologyfor SmallWatershedsTR-55

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i(210-VI-TR-55, Second Ed., June 1986)

Preface

Technical Release 55 (TR-55) presents simplifiedprocedures to calculate storm runoff volume, peakrate of discharge, hydrographs, and storage volumesrequired for floodwater reservoirs. These proceduresare applicable in small watersheds, especially urbaniz-ing watersheds, in the United States. First issued byNatural Resources Conservation Service (NRCS),formerly the Soil Conservation Service (SCS) in Janu-ary 1975, TR-55 incorporates current SCS procedures.This revision includes results of recent research andother changes based on experience with use of theoriginal edition.

The major revisions and additions are:

• A flow chart for selecting the appropriate proce-dure;

• Three additional rain distributions;• Expansion of the chapter on runoff curve numbers;• A procedure for calculating travel times of sheet

flow;• Deletion of a chapter on peak discharges;• Modifications to the Graphical Peak Discharge

method and Tabular Hydrograph method;• A new storage routing procedure;• Features of the TR-55 computer program; and• Worksheets.

This revision was prepared by Roger Cronshey,hydraulic engineer, Hydrology Unit, SCS,Washington, DC; Dr. Richard H. McCuen, professorof Civil Engineering, University of Maryland, CollegePark, MD; Norman Miller, head, Hydrology Unit,SCS, Washington, DC; Dr.Walter Rawls,hydrologist, Agricultural Research Service,Beltsville, MD; Sam Robbins (deceased), formerlyhydraulic engineer, SCS, South National TechnicalCenter (NTC), Fort Worth, TX; and Don Woodward,hydraulic engineer, SCS, Northeast NTC, Chester,PA. Valuable contributions were made by JohnChenoweth, Stan Hamilton, William Merkel, RobertRallison (ret.), Harvey Richardson, Wendell Styner,other SCS hydraulic engineers, and Teresa Seeman.

Revised June 1986

ii (210-VI-TR-55, Second Ed., June 1986)

Update of Appendix A January 1999

Chapter 1: Introduction ..................................... 1-1Effects of urban development ............................... 1-1Rainfall ...................................................................... 1-1Runoff ....................................................................... 1-2Time parameters ..................................................... 1-2Peak discharge and hydrographs .......................... 1-2Storage effects ......................................................... 1-2Selecting the appropriate procedures .................. 1-2Limitations ............................................................... 1-4

Chapter 2: Estimating Runoff .......................... 2-1SCS Runoff Curve Number method ...................... 2-1Factors considered in determining

runoff curve numbers ................................... 2-1Runoff ....................................................................... 2-11Limitations ............................................................... 2-11Examples .................................................................. 2-11

Chapter 3: Time of Concentration and

Travel Time ................................................. 3-1Factors affecting time of concentration

and travel time ............................................... 3-1Computation of travel time and time of

concentration ................................................. 3-1Limitations ............................................................... 3-4Example 3-1 ............................................................. 3-4

Chapter 4: Graphical Peak

Discharge Method ....................................... 4-1Peak discharge computation ................................. 4-1Limitations ............................................................... 4-2Example 4-1 ............................................................. 4-2

Chapter 5: Tabular Hydrograph Method ....... 5-1Tabular Hydrograph method exhibits .................. 5-1Information required for Tabular

Hydrograph method ...................................... 5-1Development of composite flood hydrograph.... . 5-2Limitations ............................................................... 5-3Examples .................................................................. 5-4

Chapter 6: Storage Volume for Detention

Basins ............................................................. 6-1Estimating the effect of storage ............................ 6-1Input requirements and procedures ..................... 6-2Limitations ............................................................... 6-3Examples .................................................................. 6-4

Contents

Appendix A: Hydrologic Soil Groups ............. A-1Disturbed soil profiles ............................................ A-1Drainage and group D soils .................................... A-1

Appendix B: Synthetic Rainfall Distributions

and Rainfall Data Sources ............................... B-1Synthetic rainfall distributions .............................. B-1Rainfall data sources .............................................. B-2

Appendix C: Computer Program ..................... C-1

Appendix D: Worksheets ................................... D-1

Appendix E: References ..................................... E-1

Appendix F: Equations for Figures and

Exhibits ......................................................... F-1

Figures

1-1 Flow chart for selecting the appropriateprocedures in TR-55 ............................ 1-3

2-1 Solution of runoff equation ....................... 2-22-2 Flow chart for selecting the appropriate

figure or table for determiningrunoff curve numbers ......................... 2-4

2-3 Composite CN with connectedimpervious area ................................... 2-10

2-4 Composite CN with unconnectedimpervious areas and totalimpervious area less than 30% ........... 2-10

2-5 Worksheet 2 for example 2-1 ..................... 2-132-6 Worksheet 2 for example 2-2 ..................... 2-142-7 Worksheet 2 for example 2-3 ..................... 2-152-8 Worksheet 2 for example 2-4 ..................... 2-163-1 Average velocities for estimating

travel time for shallowconcentrated flow ................................ 3-2

3-2 Worksheet 3 for example 3-1 ..................... 3-54-1 Variation of Ia/P for P and CN ................... 4-14-2 Worksheet 4 for example 4-1 ..................... 4-35-1 Worksheet 5a for example 5-1 ................... 5-55-2 Worksheet 5b for example 5-1 .................. 5-65-3 Worksheet 5a for example 5-2 ................... 5-75-4 Worksheet 5b for example 5-2 .................. 5-86-1 Approximate detention basin routing for

rainfall types I, IA, II, and III .............. 6-26-2 Worksheet 6a for example 6-1 ................... 6-56-3 Worksheet 6a for example 6-2 ................... 6-76-4 Worksheet 6b for example 6-3 .................. 6-96-5 Worksheet 6a for example 6-4 ................... 6-11

iii(210-VI-TR-55, Second Ed., June 1986)

B-1 SCS 24-hour rainfall distributions ............. B-1B-2 Approximate geographic boundaries

for SCS rainfall distributions .............. B-2B-3 2-year, 24-hour rainfall ............................... B-3B-4 5-year, 24-hour rainfall ............................... B-3B-5 10-year, 24-hour rainfall ............................. B-4B-6 25-year, 24-hour rainfall ............................. B-4B-7 50-year, 24-hour rainfall ............................. B-5B-8 100-year, 24-hour rainfall ........................... B-5

Tables

2-1 Runoff depth for selected CN’s and rainfall amounts .......................................... 2-3

2-2a Runoff curve numbers for urban areas .... 2-S2-2b Runoff curve numbers for cultivated

agricultural lands ................................. 2-62-2c Runoff curve numbers for other

agricultural lands ................................. 2-72-2d Runoff curve numbers for arid and semi-

arid rangelands .................................... 2-83-1 Roughness coefficients (Manning’s n) for

sheet flow ............................................. 3-34-1 Ia values for runoff curve numbers ........... 4-14-2 Adjustment factor ( Fp ) for pond and

swamp areas that are spreadthroughout the watershed .................. 4-2

5-1 Ia values for runoff curve numbers ........... 5-2F-1 Coefficients for the equation used to

generate exhibits 4-I through 4-Ill ..... F-2F-2 Coefficients for the equation used to

generate figure 6-1 ............................... F-2

Exhibits

4-I Unit peak discharge (qu) for SCStype I rainfall distribution ................... 4-4

4-IA Unit peak discharge (qu) for SCStype IA rainfall distribution ................ 4-6

4-II Unit peak discharge (qu) for SCStype II rainfall distribution ................. 4-6

4-III Unit peak discharge (qu) for SCStype III rainfall distribution ................ 4-7

5-I Tabular hydrograph unit discharges(csm/in) for type I rainfall

distribution ........................................... 5-95-IA Tabular hydrograph unit discharges

(csm/in) for type IA rainfalldistribution ........................................... 5-19

5-II Tabular hydrograph unit discharges(csm/in) for type II rainfalldistribution ........................................... 5-29

5-III Tabular hydrograph unit discharges(csm/in) type III rainfalldistribution ........................................... 5-39

A-1 Hydrologic soil groups for United Statessoils ....................................................... A-3

Worksheets

2 Runoff curve number and runoff .............. D-23 Time of concentration (Tc) or

travel time (Tt) ..................................... D-34 Graphical peak discharge method ............ D-45a Basic watershed data ................................. D-55b Tabular hydrograph discharge

summary ............................................... D-66a Detention basin storage, peak outflow

discharge (qo) known .......................... D-76b Detention basin peak outflow, storage

volume (Vs known) .............................. D-8

iv (210-VI-TR-55, Second Ed., June 1986)

Metric conversions

The English system of units is used in this TR. Toconvert to the International System of units (metric),use the following factors:

From English unit To metric unit Multiply by

Acre Hectare 0.405Square mile Square kilometer 2.59Cubic feet per second Cubic meters per second 0.0283Inch Millimeter 25.4Feet per second Meters per second 0.3048Acre-foot Cubic meter 1233.489

Cubic foot Cubic meter 0.0283

Perform rounding operations as appropriate to indi-cate the same level of precision as that of the originalmeasurement. For example:1. A stream discharge is recorded in cubic feet per

second with three significant digits.2. Convert stream discharge to cubic meters per

second by multiplying by 0.0283.3. Round to enough significant digits so that, when

converting back to cubic feet per second, youobtain the original value (step 1) with three signifi-cant digits.

Definitions of symbols

Symbol Unit Definition

a ft2 Cross sectional flow areaAm mi2 Drainage areaCN Runoff curve numberCNe Composite runoff curve

numberCNp Pervious runoff curve numberEmax Maximum stage

Pond and swamp adjustmentfactor

Hw ft Head over weir crestIa in Initial abstractionL ft Flow lengthLw ft Weir crest lengthm Number of flow segmentsn Manning’s roughness coefficientP in RainfallPimp Percent imperviousnessP2 in Two-year frequency, 24-hour

rainfallpw ft Wetted perimeterq ft3/s (cfs) Hydrograph coordinateqi ft3/s (cfs) Peak inflow dischargeqo ft3/s (cfs) Peak outflow dischargeqp ft3/s (cfs) Peak dischargeqt csm/in Tabular hydrograph unit

dischargequ csm/in Unit peak dischargeQ in Runoffr ft Hydraulic radiusR Ratio of unconnected

impervious area to totalimpervious area

5 ft/ft Slope of hydraulic grade lineS in Potential maximum retention

after runoff beginst hr Hydrograph timeTc hr Time of concentrationTp hr Time to peakTt hr Travel timeV ft/s Average velocityVr acre-ft, ft3 Runoff volume

or watershed-inchVs acre-ft, ft3 Storage volume

or watershed-inchcsm/in Cubic feet of discharge per

second per square mile ofwatershed per inch of runoff

Chapter 1

1–1(210-VI-TR-55, Second Ed., June 1986)

Technical Release 55Urban Hydrology for Small Watersheds

IntroductionChapter 1 Introduction

The conversion of rural land to urban land usuallyincreases erosion and the discharge and volume ofstorm runoff in a watershed. It also causes otherproblems that affect soil and water. As part of pro-grams established to alleviate these problems, engi-neers increasingly must assess the probable effects ofurban development, as well as design and implementmeasures that will minimize its adverse effects.

Technical Release 55 (TR-55) presents simplifiedprocedures for estimating runoff and peak dischargesin small watersheds. In selecting the appropriateprocedure, consider the scope and complexity of theproblem, the available data, and the acceptable level oferror. While this TR gives special emphasis to urbanand urbanizing watersheds, the procedures apply toany small watershed in which certain limitations aremet.

Effects of urban development

An urban or urbanizing watershed is one in whichimpervious surfaces cover or will soon cover a consid-erable area. Impervious surfaces include roads, side-walks, parking lots, and buildings. Natural flow pathsin the watershed may be replaced or supplemented bypaved gutters, storm sewers, or other elements ofartificial drainage.

Hydrologic studies to determine runoff and peakdischarge should ideally be based on long-term sta-tionary streamflow records for the area. Such recordsare seldom available for small drainage areas. Evenwhere they are available, accurate statistical analysisof them is usually impossible because of the conver-sion of land to urban uses during the period of record.It therefore is necessary to estimate peak dischargeswith hydrologic models based on measurable water-shed characteristics. Only through an understanding ofthese characteristics and experience in using thesemodels can we make sound judgments on how to altermodel parameters to reflect changing watershedconditions.

Urbanization changes a watershed’s response toprecipitation. The most common effects are reducedinfiltration and decreased travel time, which signifi-cantly increase peak discharges and runoff. Runoff isdetermined primarily by the amount of precipitationand by infiltration characteristics related to soil type,soil moisture, antecedent rainfall, cover type, impervi-

ous surfaces, and surface retention. Travel time isdetermined primarily by slope, length of flow path,depth of flow, and roughness of flow surfaces. Peakdischarges are based on the relationship of theseparameters and on the total drainage area of thewatershed, the location of the development, the effectof any flood control works or other natural ormanmade storage, and the time distribution of rainfallduring a given storm event.

The model described in TR-55 begins with a rainfallamount uniformly imposed on the watershed over aspecified time distribution. Mass rainfall is convertedto mass runoff by using a runoff curve number (CN).CN is based on soils, plant cover, amount of impervi-ous areas, interception, and surface storage. Runoff isthen transformed into a hydrograph by using unithydrograph theory and routing procedures that de-pend on runoff travel time through segments of thewatershed.

For a description of the hydrograph developmentmethod used by NRCS, see chapter 16 of the NRCSNational Engineering Handbook, Section 4—Hydrol-ogy (NEH-4) (SCS 1985). The routing method (Modi-fied Att-Kin) is explained in appendixes G and H ofdraft Technical Release 20 (TR-20) (SCS 1983).

Rainfall

TR-55 includes four regional rainfall time distributions.See appendix B for a discussion of how these distribu-tions were developed.

All four distributions are for a 24-hour period. Thisperiod was chosen because of the general availabilityof daily rainfall data that were used to estimate 24-hour rainfall amounts. The 24-hour duration spansmost of the applications of TR-55.

One critical parameter in the model is time of concen-tration (Tc), which is the time it takes for runoff totravel to a point of interest from the hydraulically mostdistant point. Normally a rainfall duration equal to orgreater than Tc is used. Therefore, the rainfall distribu-tions were designed to contain the intensity of anyduration of rainfall for the frequency of the eventchosen. That is, if the 10-year frequency, 24-hourrainfall is used, the most intense hour will approxi-mate the 10-year, 1-hour rainfall volume.


IntroductionChapter 1

1–2 (210-VI-TR-55, Second Ed., June 1986)

Runoff

To estimate runoff from storm rainfall, NRCS uses therunoff curve number (CN) method (see chapters 4through 10 of NEH-4, SCS 1985). Determination of CNdepends on the watershed’s soil and cover conditions,which the model represents as hydrologic soil group,cover type, treatment, and hydrologic condition.Chapter 2 of this TR discusses the effect of urbandevelopment on CN and explains how to use CN toestimate runoff.

Time parameters

Chapter 3 describes a method for estimating the pa-rameters used to distribute the runoff into ahydrograph. The method is based on velocities of flowthrough segments of the watershed. Two major param-eters are time of concentration (Tc) and travel time offlow through the segments (Tt). These and the otherparameters used are the same as those used in ac-cepted hydraulic analyses of open channels.

Many methods are empirically derived from actualrunoff hydrographs and watershed characteristics. Themethod in chapter 3 was chosen because it is basic;however, other methods may be used.

Peak discharge and hydrographs

Chapter 4 describes a method for approximating peakrates of discharge, and chapter 5 describes a methodfor obtaining or routing hydrographs. Both methodswere derived from hydrographs prepared by proce-dures outlined in chapter 16 of NEH-4 (SCS 1985). Thecomputations were made with a computerized SCShydrologic model, TR-20 (SCS 1983).

The methods in chapters 4 and 5 should be used inaccordance with specific guidelines. If basic data areimproperly prepared or adjustments not properlyused, errors will result.

Storage effects

Chapter 6 outlines procedures to account for the effectof detention-type storage. It provides a shortcutmethod to estimate temporary flood storage based onhydrologic data developed from the Graphical PeakDischarge or Tabular Hydrograph methods.

By increasing runoff and decreasing travel times,urbanization can be expected to increase downstreampeak discharges. Chapter 6 discusses how flood deten-tion can modify the hydrograph so that, ideally, down-stream peak discharge is reduced approximately to thepredevelopment condition. The shortcuts in chapter 6are useful in sizing a basin even though the final designmay require a more detailed analysis.

Selecting the appropriateprocedures

Figure 1-1 is a flow chart that shows how to select theappropriate procedures to use in TR-55. In the figure,the diamond-shaped box labeled “Subareas required?”directs the user to the appropriate method based onwhether the watershed needs to be divided into subar-eas. Watershed subdivision is required when signifi-cantly different conditions affecting runoff or timingare present in the watershed—for example, if thewatershed has widely differing curve numbers ornonhomogeneous slope patterns.

Chapter 1



Introduction

START

END

Datato

estimateTc?

Hydrographrequired

Subareasrequired?

Yes Tabularhydrograph

method

Graphical peakdischargemethod

Computewatershed runoff

(chapter 2)

Computewatershed

Tc(chapter 3)

Compute peakdischarge

(chapter 4)

Computetabular

hydrograph(chapter 5)

Computesubareas'Tc and Tt

(chapter 3)

Computesubareas'

runoff(chapter 2)

Storageeffect

required?

YesComputetabular

hydrograph(chapter 5)

No

No

Yes

No

TR-55not applicable

Yes

No

Figure 1-1 Flow chart for selecting the appropriate procedures in TR-55.


IntroductionChapter 1


Limitations

To save time, the procedures in TR-55 are simplifiedby assumptions about some parameters. These simpli-fications, however, limit the use of the procedures andcan provide results that are less accurate than moredetailed methods. The user should examine the sensi-tivity of the analysis being conducted to a variation ofthe peak discharge or hydrograph. To ensure that thedegree of error is tolerable, specific limitations aregiven in chapters 2 through 6. Additional generalconstraints to the use of TR-55 are as follows:

• The methods in this TR are based on open andunconfined flow over land or in channels. For largeevents during which flow is divided between sewerand overland flow, more information about hydrau-lics than is presented here is needed to determineTc. After flow enters a closed system, the dischargecan be assumed constant until another flow isencountered at a junction or another inlet.

• Both the Graphical Peak Discharge and TabularHydrograph methods are derived from TR-20 (SCS1983) output. Their accuracy is comparable; theydiffer only in their products. The use of Tc permitsthem to be used for any size watershed within thescope of the curves or tables. The Graphicalmethod (chapter 4) is used only for hydrologicallyhomogeneous watersheds because the procedureis limited to a single watershed subarea. The Tabu-lar method (chapter 5) can be used for a heteroge-neous watershed that is divided into a number ofhomogeneous subwatersheds. Hydrographs for thesubwatersheds can be routed and added.

• The approximate storage-routing curves (chapter6) should not be used if the adjustment for ponding(chapter 4) is used. These storage-routing curves,like the peak discharge and hydrograph proce-dures, are generalizations derived from TR-20routings.

Chapter 2



Estimating RunoffChapter 2 Estimating Runoff

NRCS runoff curve numbermethod

The NRCS Runoff Curve Number (CN) method isdescribed in detail in NEH-4 (SCS 1985). The NRCSrunoff equation is

QP I

P I S

a

a

=−( )

−( ) +

2

[eq. 2-1]

where

Q = runoff (in)P = rainfall (in)S = potential maximum retention after runoff

begins (in)Ia = initial abstraction (in)

Initial abstraction (Ia) is all losses before runoffbegins. It includes water retained in surface depres-sions, water intercepted by vegetation, evaporation,and infiltration. Ia is highly variable but generally iscorrelated with soil and cover parameters. Throughstudies of many small agricultural watersheds, Ia wasfound to be approximated by the following empiricalequation:

I Sa = 0 2. [eq. 2-2]

By removing Ia as an independent parameter, thisapproximation allows use of a combination of S and Pto produce a unique runoff amount. Substitutingequation 2-2 into equation 2-1 gives

QP S

P S= −( )

+( )0 2

0 8

2.

.[eq. 2-3]

S is related to the soil and cover conditions of thewatershed through the CN. CN has a range of 0 to 100,and S is related to CN by

SCN

= −100010 [eq. 2-4]

Figure 2-1 and table 2-1 solve equations 2-3 and 2-4for a range of CN’s and rainfall.

Factors considered in determiningrunoff curve numbers

The major factors that determine CN are the hydrologicsoil group (HSG), cover type, treatment, hydrologiccondition, and antecedent runoff condition (ARC).Another factor considered is whether impervious areasoutlet directly to the drainage system (connected) orwhether the flow spreads over pervious areas beforeentering the drainage system (unconnected). Figure 2-2is provided to aid in selecting the appropriate figure ortable for determining curve numbers.

CN’s in table 2-2 (a to d) represent average antecedentrunoff condition for urban, cultivated agricultural, otheragricultural, and arid and semiarid rangeland uses.Table 2-2 assumes impervious areas are directly con-nected. The following sections explain how to deter-mine CN’s and how to modify them for urban condi-tions.

Hydrologic soil groups

Infiltration rates of soils vary widely and are affected bysubsurface permeability as well as surface intake rates.Soils are classified into four HSG’s (A, B, C, and D)according to their minimum infiltration rate, which isobtained for bare soil after prolonged wetting. Appen-dix A defines the four groups and provides a list of mostof the soils in the United States and their group classifi-cation. The soils in the area of interest may be identi-fied from a soil survey report, which can be obtainedfrom local NRCS offices or soil and water conservationdistrict offices.

Most urban areas are only partially covered by impervi-ous surfaces: the soil remains an important factor inrunoff estimates. Urbanization has a greater effect onrunoff in watersheds with soils having high infiltrationrates (sands and gravels) than in watersheds predomi-nantly of silts and clays, which generally have lowinfiltration rates.

Any disturbance of a soil profile can significantlychange its infiltration characteristics. With urbaniza-tion, native soil profiles may be mixed or removed orfill material from other areas may be introduced. There-fore, a method based on soil texture is given in appen-dix A for determining the HSG classification for dis-turbed soils.


Estimating RunoffChapter 2


Cover type

Table 2-2 addresses most cover types, such as vegeta-tion, bare soil, and impervious surfaces. There are anumber of methods for determining cover type. Themost common are field reconnaissance, aerial photo-graphs, and land use maps.

Treatment

Treatment is a cover type modifier (used only in table2-2b) to describe the management of cultivated agri-cultural lands. It includes mechanical practices, suchas contouring and terracing, and management prac-tices, such as crop rotations and reduced or no tillage.

Hydrologic condition

Hydrologic condition indicates the effects of covertype and treatment on infiltration and runoff and isgenerally estimated from density of plant and residuecover on sample areas. Good hydrologic conditionindicates that the soil usually has a low runoff poten-tial for that specific hydrologic soil group, cover type,and treatment. Some factors to consider in estimatingthe effect of cover on infiltration and runoff are (a)canopy or density of lawns, crops, or other vegetativeareas; (b) amount of year-round cover; (c) amount ofgrass or close-seeded legumes in rotations; (d) percentof residue cover; and (e) degree of surface roughness.

Curve

numbe

r = 10

0

95

90

85

80

75

70

65

60

55

50

45

40

121110987654321 00

1

2

3

4

5

6

7

8

Dire

ct r

unof

f (Q

), in

ches

Rainfall (P), inches

Curves on this sheet are for the case Ia = 0.2S, so that

Q =(P–0.2S)2

P + 0.8S

Figure 2-1 Solution of runoff equation.

Chapter 2



Estimating Runoff

Table 2-1 Runoff depth for selected CN’s and rainfall amounts 1 /

Runoff depth for curve number of—

Rainfall 40 45 50 55 60 65 70 75 80 85 90 95 98

-------------------------------------------------------------------------------inches -------------------------------------------------------------------------------------

1.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.03 0.08 0.17 0.32 0.56 0.79

1.2 .00 .00 .00 .00 .00 .00 .03 .07 .10 5.27 .46 .74 .99

1.4 .00 .00 .00 .00 .00 .02 .06 .13 .24 .39 .61 .92 1.18

1.6 .00 .00 .00 .00 .01 .05 .11 .20 .34 .52 .76 1.11 1.38

1.8 .00 .00 .00 .00 .03 .09 .17 .29 .44 .65 .93 1.29 1.58

2.0 .00 .00 .00 .02 .06 .14 .24 .38 .56 .80 1.09 1.48 1.77

2.5 .00 .00 .02 .08 .17 .30 .46 .65 .89 1.18 1.53 1.96 2.27

3.0 .00 .02 .09 .19 .33 .51 .71 .96 1.25 1.59 1.98 2.45 2.77

3.5 .02 .08 .20 .35 .53 .75 1.01 1.30 1.64 2.02 2.45 2.94 3.27

4.0 .06 .18 .33 .53 .76 1.03 1.33 1.67 2.04 2.46 2.92 3.43 3.77

4.5 .14 .30 .50 .74 1.02 1.33 1.67 2.05 2.46 2.91 3.40 3.92 4.26

5.0 .24 .44 .69 .98 1.30 1.65 2.04 2.45 2.89 3.37 3.88 4.42 4.76

6.0 .50 .80 1.14 1.52 1.92 2.35 2.81 3.28 3.78 4.30 4.85 5.41 5.76

7.0 .84 1.24 1.68 2.12 2.60 3.10 3.62 4.15 4.69 5.25 5.82 6.41 6.76

8.0 1.25 1.74 2.25 2.78 3.33 3.89 4.46 5.04 5.63 6.21 6.81 7.40 7.76

9.0 1.71 2.29 2.88 3.49 4.10 4.72 5.33 5.95 6.57 7.18 7.79 8.40 8.76

10.0 2.23 2.89 3.56 4.23 4.90 5.56 6.22 6.88 7.52 8.16 8.78 9.40 9.76

11.0 2.78 3.52 4.26 5.00 5.72 6.43 7.13 7.81 8.48 9.13 9.77 10.39 10.76

12.0 3.38 4.19 5.00 5.79 6.56 7.32 8.05 8.76 9.45 10.11 10.76 11.39 11.76

13.0 4.00 4.89 5.76 6.61 7.42 8.21 8.98 9.71 10.42 11.10 11.76 12.39 12.76

14.0 4.65 5.62 6.55 7.44 8.30 9.12 9.91 10.67 11.39 12.08 12.75 13.39 13.76

15.0 5.33 6.36 7.35 8.29 9.19 10.04 10.85 11.63 12.37 13.07 13.74 14.39 14.76

1 / Interpolate the values shown to obtain runoff depths for CN's or rainfall amounts not shown.




END

START

Unconnectedimpervious

area?

Imperviousarea

< 30%?

Table 2-2assumptions

apply?

Yes

Determinepervious

CN(table 2-2)

No Yes

No

Yes

No

Determinepervious

CN(table 2-2)

Determinecomposite

CN(table 2-2)

Determinecomposite

CN(figure 2-3)

Determinecomposite

CN(figure 2-4)

Figure 2-2 Flow chart for selecting the appropriate figure or table for determining runoff curve numbers.

Chapter 2



Estimating Runoff

Table 2-2a Runoff curve numbers for urban areas 1/

Curve numbers for------------------------------------------- Cover description ----------------------------------------- -----------hydrologic soil group -------------

Average percentCover type and hydrologic condition impervious area 2/ A B C D

Fully developed urban areas (vegetation established)

Open space (lawns, parks, golf courses, cemeteries, etc.) 3/:Poor condition (grass cover < 50%) .......................................... 68 79 86 89Fair condition (grass cover 50% to 75%) .................................. 49 69 79 84Good condition (grass cover > 75%) ......................................... 39 61 74 80

Impervious areas:Paved parking lots, roofs, driveways, etc.

(excluding right-of-way) ............................................................. 98 98 98 98Streets and roads:

Paved; curbs and storm sewers (excludingright-of-way) ................................................................................ 98 98 98 98Paved; open ditches (including right-of-way) .......................... 83 89 92 93Gravel (including right-of-way) ................................................. 76 85 89 91Dirt (including right-of-way) ...................................................... 72 82 87 89

Western desert urban areas:Natural desert landscaping (pervious areas only) 4/ ..................... 63 77 85 88Artificial desert landscaping (impervious weed barrier,

desert shrub with 1- to 2-inch sand or gravel mulchand basin borders) ...................................................................... 96 96 96 96

Urban districts:Commercial and business ................................................................. 85 89 92 94 95Industrial ............................................................................................. 72 81 88 91 93

Residential districts by average lot size:1/8 acre or less (town houses) .......................................................... 65 77 85 90 921/4 acre ................................................................................................ 38 61 75 83 871/3 acre ................................................................................................ 30 57 72 81 861/2 acre ................................................................................................ 25 54 70 80 851 acre ................................................................................................... 20 51 68 79 842 acres .................................................................................................. 12 46 65 77 82

Developing urban areas

Newly graded areas(pervious areas only, no vegetation) 5/ ................................................................ 77 86 91 94

Idle lands (CN’s are determined using cover typessimilar to those in table 2-2c).

1 Average runoff condition, and Ia = 0.2S.2 The average percent impervious area shown was used to develop the composite CN’s. Other assumptions are as follows: impervious areas are

directly connected to the drainage system, impervious areas have a CN of 98, and pervious areas are considered equivalent to open space ingood hydrologic condition. CN’s for other combinations of conditions may be computed using figure 2-3 or 2-4.

3 CN’s shown are equivalent to those of pasture. Composite CN’s may be computed for other combinations of open spacecover type.

4 Composite CN’s for natural desert landscaping should be computed using figures 2-3 or 2-4 based on the impervious area percentage (CN =98) and the pervious area CN. The pervious area CN’s are assumed equivalent to desert shrub in poor hydrologic condition.

5 Composite CN’s to use for the design of temporary measures during grading and construction should be computed using figure 2-3 or 2-4based on the degree of development (impervious area percentage) and the CN’s for the newly graded pervious areas.




Table 2-2b Runoff curve numbers for cultivated agricultural lands 1/

Curve numbers for------------------------------------------ Cover description --------------------------------------------- ------------- hydrologic soil group ----------------

HydrologicCover type Treatment 2/ condition 3/ A B C D

Fallow Bare soil — 77 86 91 94Crop residue cover (CR) Poor 76 85 90 93

Good 74 83 88 90

Row crops Straight row (SR) Poor 72 81 88 91Good 67 78 85 89

SR + CR Poor 71 80 87 90Good 64 75 82 85

Contoured (C) Poor 70 79 84 88Good 65 75 82 86

C + CR Poor 69 78 83 87Good 64 74 81 85

Contoured & terraced (C&T) Poor 66 74 80 82Good 62 71 78 81

C&T+ CR Poor 65 73 79 81Good 61 70 77 80

Small grain SR Poor 65 76 84 88Good 63 75 83 87

SR + CR Poor 64 75 83 86Good 60 72 80 84

C Poor 63 74 82 85Good 61 73 81 84

C + CR Poor 62 73 81 84Good 60 72 80 83

C&T Poor 61 72 79 82Good 59 70 78 81

C&T+ CR Poor 60 71 78 81Good 58 69 77 80

Close-seeded SR Poor 66 77 85 89or broadcast Good 58 72 81 85legumes or C Poor 64 75 83 85rotation Good 55 69 78 83meadow C&T Poor 63 73 80 83

Good 51 67 76 80

1 Average runoff condition, and Ia=0.2s2 Crop residue cover applies only if residue is on at least 5% of the surface throughout the year.3 Hydraulic condition is based on combination factors that affect infiltration and runoff, including (a) density and canopy of vegetative areas,

(b) amount of year-round cover, (c) amount of grass or close-seeded legumes, (d) percent of residue cover on the land surface (good≥ 20%),and (e) degree of surface roughness.

Poor: Factors impair infiltration and tend to increase runoff.

Good: Factors encourage average and better than average infiltration and tend to decrease runoff.

Chapter 2



Estimating Runoff

Table 2-2c Runoff curve numbers for other agricultural lands 1/

Curve numbers for--------------------------------------- Cover description -------------------------------------- ------------ hydrologic soil group ---------------

HydrologicCover type condition A B C D

Pasture, grassland, or range—continuous Poor 68 79 86 89forage for grazing. 2/ Fair 49 69 79 84

Good 39 61 74 80

Meadow—continuous grass, protected from — 30 58 71 78grazing and generally mowed for hay.

Brush—brush-weed-grass mixture with brush Poor 48 67 77 83the major element. 3/ Fair 35 56 70 77

Good 30 4/ 48 65 73

Woods—grass combination (orchard Poor 57 73 82 86or tree farm). 5/ Fair 43 65 76 82

Good 32 58 72 79

Woods. 6/ Poor 45 66 77 83Fair 36 60 73 79

Good 30 4/ 55 70 77

Farmsteads—buildings, lanes, driveways, — 59 74 82 86and surrounding lots.

1 Average runoff condition, and Ia, = 0.2S.2 Poor: <50%) ground cover or heavily grazed with no mulch.

Fair: 50 to 75% ground cover and not heavily grazed. Good: > 75% ground cover and lightly or only occasionally grazed.

3 Poor: <50% ground cover. Fair: 50 to 75% ground cover. Good: >75% ground cover.

4 Actual curve number is less than 30; use CN = 30 for runoff computations.5 CN’s shown were computed for areas with 50% woods and 50% grass (pasture) cover. Other combinations of conditions may be computed

from the CN’s for woods and pasture.6 Poor: Forest litter, small trees, and brush are destroyed by heavy grazing or regular burning.

Fair: Woods are grazed but not burned, and some forest litter covers the soil. Good: Woods are protected from grazing, and litter and brush adequately cover the soil.




Table 2-2d Runoff curve numbers for arid and semiarid rangelands 1/

Curve numbers for---------------------------------------- Cover description ----------------------------------------------- --------------- hydrologic soil group -------------

Hydrologic Cover type condition 2/ A 3/ B C D

Herbaceous—mixture of grass, weeds, and Poor 80 87 93low-growing brush, with brush the Fair 71 81 89minor element. Good 62 74 85

Oak-aspen—mountain brush mixture of oak brush, Poor 66 74 79aspen, mountain mahogany, bitter brush, maple, Fair 48 57 63and other brush. Good 30 41 48

Pinyon-juniper—pinyon, juniper, or both; Poor 75 85 89grass understory. Fair 58 73 80

Good 41 61 71

Sagebrush with grass understory. Poor 67 80 85Fair 51 63 70

Good 35 47 55

Desert shrub—major plants include saltbush, Poor 63 77 85 88greasewood, creosotebush, blackbrush, bursage, Fair 55 72 81 86

palo verde, mesquite, and cactus. Good 49 68 79 84

1 Average runoff condition, and Ia, = 0.2S. For range in humid regions, use table 2-2c.2 Poor: <30% ground cover (litter, grass, and brush overstory).

Fair: 30 to 70% ground cover.Good: > 70% ground cover.

3 Curve numbers for group A have been developed only for desert shrub.

Chapter 2



Estimating Runoff

Antecedent runoff condition

The index of runoff potential before a storm event isthe antecedent runoff condition (ARC). ARC is anattempt to account for the variation in CN at a sitefrom storm to storm. CN for the average ARC at a siteis the median value as taken from sample rainfall andrunoff data. The CN’s in table 2-2 are for the averageARC, which is used primarily for design applications.See NEH-4 (SCS 1985) and Rallison and Miller (1981)for more detailed discussion of storm-to-storm varia-tion and a demonstration of upper and lower envelop-ing curves.

Urban impervious area modifications

Several factors, such as the percentage of imperviousarea and the means of conveying runoff from impervi-ous areas to the drainage system, should be consid-ered in computing CN for urban areas (Rawls et al.,1981). For example, do the impervious areas connectdirectly to the drainage system, or do they outlet ontolawns or other pervious areas where infiltration canoccur?

Connected impervious areas — An impervious areais considered connected if runoff from it flows directlyinto the drainage system. It is also considered con-nected if runoff from it occurs as concentrated shal-low flow that runs over a pervious area and then intothe drainage system.

Urban CN’s (table 2-2a) were developed for typicalland use relationships based on specific assumedpercentages of impervious area. These CN vales weredeveloped on the assumptions that (a) pervious urbanareas are equivalent to pasture in good hydrologiccondition and (b) impervious areas have a CN of 98and are directly connected to the drainage system.Some assumed percentages of impervious area areshown in table 2-2a

If all of the impervious area is directly connected tothe drainage system, but the impervious area percent-ages or the pervious land use assumptions in table 2-2aare not applicable, use figure 2-3 to compute a com-posite CN. For example, table 2-2a gives a CN of 70 fora 1/2-acre lot in HSG B, with assumed impervious areaof 25 percent. However, if the lot has 20 percent imper-

vious area and a pervious area CN of 61, the compositeCN obtained from figure 2-3 is 68. The CN differencebetween 70 and 68 reflects the difference in percentimpervious area.

Unconnected impervious areas — Runoff fromthese areas is spread over a pervious area as sheetflow. To determine CN when all or part of the impervi-ous area is not directly connected to the drainagesystem, (1) use figure 2-4 if total impervious area isless than 30 percent or (2) use figure 2-3 if the totalimpervious area is equal to or greater than 30 percent,because the absorptive capacity of the remainingpervious areas will not significantly affect runoff.

When impervious area is less than 30 percent, obtainthe composite CN by entering the right half of figure 2-4 with the percentage of total impervious area andthe ratio of total unconnected impervious area to totalimpervious area. Then move left to the appropriatepervious CN and read down to find the composite CN.For example, for a 1/2-acre lot with 20 percent totalimpervious area (75 percent of which is unconnected)and pervious CN of 61, the composite CN from figure2-4 is 66. If all of the impervious area is connected, theresulting CN (from figure 2-3) would be 68.




908070605040302010040

50

60

70

80

90

100

Com

posi

te C

N

Connected impervious area (percent)

Pervious CN = 90

80

70

60

50

40

100

90 80 70 60 50 40 0 10 20 30

Composite CN Total imperviousarea (percent)

1.0

0.5

0.0(U

ncon

nect

ed im

perv

ious

)(T

otal

impe

rvio

us)

Pervious C

N = 40

90 80 70 60 50

Figure 2-3 Composite CN with connected impervious area.

Figure 2-4 Composite CN with unconnected impervious areas and total impervious area less than 30%

Chapter 2



Estimating Runoff

Runoff

When CN and the amount of rainfall have been deter-mined for the watershed, determine runoff by usingfigure 2-1, table 2-1, or equations 2-3 and 2-4. Therunoff is usually rounded to the nearest hundredth ofan inch.

Limitations

• Curve numbers describe average conditions thatare useful for design purposes. If the rainfall eventused is a historical storm, the modeling accuracydecreases.

• Use the runoff curve number equation with cautionwhen re-creating specific features of an actualstorm. The equation does not contain an expres-sion for time and, therefore, does not account forrainfall duration or intensity.

• The user should understand the assumption re-flected in the initial abstraction term (Ia) andshould ascertain that the assumption applies to thesituation. Ia, which consists of interception, initialinfiltration, surface depression storage, evapotrans-piration, and other factors, was generalized as 0.2Sbased on data from agricultural watersheds (S isthe potential maximum retention after runoffbegins). This approximation can be especiallyimportant in an urban application because thecombination of impervious areas with perviousareas can imply a significant initial loss that maynot take place. The opposite effect, a greater initialloss, can occur if the impervious areas have sur-face depressions that store some runoff. To use arelationship other than Ia = 0.2S, one must rede-velop equation 2-3, figure 2-1, table 2-1, and table 2-2 by using the original rainfall-runoff data to estab-lish new S or CN relationships for each cover andhydrologic soil group.

• Runoff from snowmelt or rain on frozen groundcannot be estimated using these procedures.

• The CN procedure is less accurate when runoff isless than 0.5 inch. As a check, use another proce-dure to determine runoff.

• The NRCS runoff procedures apply only to directsurface runoff: do not overlook large sources ofsubsurface flow or high ground water levels thatcontribute to runoff. These conditions are oftenrelated to HSG A soils and forest areas that havebeen assigned relatively low CN’s in table 2-2.Good judgment and experience based on streamgage records are needed to adjust CN’s as condi-tions warrant.

• When the weighted CN is less than 40, use anotherprocedure to determine runoff.

Examples

Four examples illustrate the procedure for computingrunoff curve number (CN) and runoff (Q) in inches.Worksheet 2 in appendix D is provided to assist TR-55users. Figures 2-5 to 2-8 represent the use ofworksheet 2 for each example. All four examples arebased on the same watershed and the same stormevent.

The watershed covers 250 acres in Dyer County,northwestern Tennessee. Seventy percent (175 acres)is a Loring soil, which is in hydrologic soil group C.Thirty percent (75 acres) is a Memphis soil, which is ingroup B. The event is a 25-year frequency, 24-hourstorm with total rainfall of 6 inches.

Cover type and conditions in the watershed are differ-ent for each example. The examples, therefore, illus-trate how to compute CN and Q for various situationsof proposed, planned, or present development.

Example 2-1

The present cover type is pasture in good hydrologiccondition. (See figure 2-5 for worksheet 2 informa-tion.)

Example 2-2

Seventy percent (175 acres) of the watershed, consist-ing of all the Memphis soil and 100 acres of the Loringsoil, is 1/2-acre residential lots with lawns in goodhydrologic condition. The rest of the watershed isscattered open space in good hydrologic condition.(See figure 2-6.)




Example 2-3

This example is the same as example 2-2, except thatthe 1/2-acre lots have a total impervious area of 35percent. For these lots, the pervious area is lawns ingood hydrologic condition. Since the impervious areapercentage differs from the percentage assumed intable 2-2, use figure 2-3 to compute CN.(See figure 2-7.)

Example 2-4

This example is also based on example 2-2, except that50 percent of the impervious area associated with the1/2-acre lots on the Loring soil is “unconnected,” thatis, it is not directly connected to the drainage system.For these lots, the pervious area CN (lawn, goodcondition) is 74 and the impervious area is 25 percent.Use figure 2-4 to compute the CN for these lots. CN’sfor the 1/2-acre lots on Memphis soil and the openspace on Loring soil are the same as those inexample 2-2. (See figure 2-8.)

Chapter 2



Estimating Runoff

Figure 2-5 Worksheet 2 for example 2-1

Worksheet 2: Runoff curve number and runoffProject By Date

Location Checked Date

Check one: Present Developed

1. Runoff curve number

Soil nameand

hydrologicgroup

(appendix A)

Cover description

(cover type, treatment, and hydrologic condition; percent impervious; unconnected/connected impervious area ratio)

CN Area Productof

CN x area

Tabl

e 2-

2

Figu

re 2

-3

Figu

re 2

-4

Use only one CN source per line

total product

total area

Totals

Use CN

2. Runoff

Storm #1 Storm #3Storm #2

Frequency ................................................. yr

Rainfall, P (24-hour) .................................. in

Runoff, Q .................................................. in(Use P and CN with table 2-1, figure 2-1, or equation 2-3 and 2-4)

acres

mi2

%

CN (weighted) = ____________ = _______________ = ________ ;

1

1

Heavenly Acres

Dyer County, Tennessee

WJR

UM10/1/85

10/3/85

X

Memphis, B Pasture, good condition 61 30

X

1830

51807074Pasture, good conditionLoring, C

100 7010

7010100

70.1 70

25

6.0

2.81









Soil nameand

hydrologicgroup

(appendix A)

Cover description


CN Area Productof

CN x area

Tabl

e 2-

2

Figu

re 2

-3

Figu

re 2

-4


total product

total area

Totals

Use CN

2. Runoff


Frequency ................................................. yr



acres

mi2

%

CN (weighted) = ____________ = _______________ = ________ ;

1

Heavenly Acres


WJR

UM10/1/85

10/3/85

X

Memphis, B25% impervious

1/2 acre lots, good condition 70 75

X

5250

800010080Loring, C

250 18,800

18,800250

75.2 75

25

6.0

3.28

25% impervious1/2 acre lots, good condition

Open space, good conditionLoring, C 74 75 5550

175 Acres residential

1

Chapter 2



Estimating Runoff






Soil nameand

hydrologicgroup

(appendix A)

Cover description


CN Area Productof

CN x area

Tabl

e 2-

2

Figu

re 2

-3

Figu

re 2

-4


total product

total area

Totals

Use CN

2. Runoff


Frequency ................................................. yr



acres

mi2

%

CN (weighted) = ____________ = _______________ = ________ ;

Heavenly Acres


WJR

UM10/1/85

10/3/85

X

Memphis, B35% impervious


X

5550

820010082Loring, C

250 19,300

19,300250

77.2 77

25

6.0

3.48

35% impervious1/2 acre lots, good condition


1

1









Soil nameand

hydrologicgroup

(appendix A)

Cover description


CN Area Productof

CN x area

Tabl

e 2-

2

Figu

re 2

-3

Figu

re 2

-4


total product

total area

Totals

Use CN

2. Runoff


Frequency ................................................. yr



acres

mi2

%

CN (weighted) = ____________ = _______________ = ________ ;

1

1

Heavenly Acres


WJR

UM10/1/85

10/3/85

X

Memphis,B25% connected impervious


X

5250

780010078Loring, C

250 18,600

18,600250

74.4 74

25

6.0

3.19

25% impervious with 50% unconnected1/2 acre lots, good condition


Chapter 3



Time of Concentration and Travel TimeChapter 3 Time of Concentration and

Travel Time

Travel time (Tt) is the time it takes water to travelfrom one location to another in a watershed. Tt is acomponent of time of concentration (Tc), which is thetime for runoff to travel from the hydraulically mostdistant point of the watershed to a point of interestwithin the watershed. Tc is computed by summing allthe travel times for consecutive components of thedrainage conveyance system.

Tc influences the shape and peak of the runoffhydrograph. Urbanization usually decreases Tc,thereby increasing the peak discharge. But Tc can beincreased as a result of (a) ponding behind small orinadequate drainage systems, including storm draininlets and road culverts, or (b) reduction of land slopethrough grading.

Factors affecting time of concen-tration and travel time

Surface roughness

One of the most significant effects of urban develop-ment on flow velocity is less retardance to flow. Thatis, undeveloped areas with very slow and shallowoverland flow through vegetation become modified byurban development: the flow is then delivered tostreets, gutters, and storm sewers that transport runoffdownstream more rapidly. Travel time through thewatershed is generally decreased.

Channel shape and flow patterns

In small non-urban watersheds, much of the traveltime results from overland flow in upstream areas.Typically, urbanization reduces overland flow lengthsby conveying storm runoff into a channel as soon aspossible. Since channel designs have efficient hydrau-lic characteristics, runoff flow velocity increases andtravel time decreases.

Slope

Slopes may be increased or decreased by urbanization,depending on the extent of site grading or the extentto which storm sewers and street ditches are used inthe design of the water management system. Slope willtend to increase when channels are straightened anddecrease when overland flow is directed throughstorm sewers, street gutters, and diversions.

Computation of travel time andtime of concentration

Water moves through a watershed as sheet flow,shallow concentrated flow, open channel flow, orsome combination of these. The type that occurs is afunction of the conveyance system and is best deter-mined by field inspection.

Travel time (Tt) is the ratio of flow length to flowvelocity:

TL

Vt =

3600[eq. 3-1]

where:

Tt = travel time (hr)L = flow length (ft)V = average velocity (ft/s)

3600 = conversion factor from seconds to hours.

Time of concentration (Tc) is the sum of Tt values forthe various consecutive flow segments:

T T T Tc t t tm= + +1 2 K [eq. 3-2]

where:

Tc = time of concentration (hr)m = number of flow segments


Time of Concentration and Travel TimeChapter 3


Figure 3-1 Average velocities for estimating travel time for shallow concentrated flow

10 20

Average velocity (ft/sec)

Wat

erco

urs

e sl

op

e (f

t/ft

)

.20

.50

Unp

aved

Pav

ed

.06

.04

.02

.10

.01

.0051 2 4 6

Chapter 3



Time of Concentration and Travel Time

Sheet flow

Sheet flow is flow over plane surfaces. It usuallyoccurs in the headwater of streams. With sheet flow,the friction value (Manning’s n) is an effective rough-ness coefficient that includes the effect of raindropimpact; drag over the plane surface; obstacles such aslitter, crop ridges, and rocks; and erosion and trans-portation of sediment. These n values are for veryshallow flow depths of about 0.1 foot or so. Table 3-1gives Manning’s n values for sheet flow for varioussurface conditions.

For sheet flow of less than 300 feet, use Manning’skinematic solution (Overtop and Meadows 1976) tocompute Tt:

TnL

P st =

( )( )

0 0070 8

20 5 0 4

..

. . [eq. 3-3]

where:

Tt = travel time (hr),n = Manning’s roughness coefficient (table 3-1)L = flow length (ft)P2 = 2-year, 24-hour rainfall (in) s = slope of hydraulic grade line

(land slope, ft/ft)

This simplified form of the Manning’s kinematic solu-tion is based on the following: (1) shallow steadyuniform flow, (2) constant intensity of rainfall excess(that part of a rain available for runoff), (3) rainfallduration of 24 hours, and (4) minor effect of infiltra-tion on travel time. Rainfall depth can be obtainedfrom appendix B.

Shallow concentrated flow

After a maximum of 300 feet, sheet flow usually be-comes shallow concentrated flow. The average veloc-ity for this flow can be determined from figure 3-1, inwhich average velocity is a function of watercourseslope and type of channel. For slopes less than 0.005ft/ft, use equations given in appendix F for figure 3-1.Tillage can affect the direction of shallow concen-trated flow. Flow may not always be directly down thewatershed slope if tillage runs across the slope.

After determining average velocity in figure 3-1, useequation 3-1 to estimate travel time for the shallowconcentrated flow segment.

Open channels

Open channels are assumed to begin where surveyedcross section information has been obtained, wherechannels are visible on aerial photographs, or whereblue lines (indicating streams) appear on United StatesGeological Survey (USGS) quadrangle sheets.Manning’s equation or water surface profile informa-tion can be used to estimate average flow velocity.Average flow velocity is usually determined for bank-full elevation.

Table 3-1 Roughness coefficients (Manning’s n) forsheet flow

Surface description n 1/

Smooth surfaces (concrete, asphalt,gravel, or bare soil) .......................................... 0.011

Fallow (no residue) .................................................. 0.05Cultivated soils:

Residue cover ≤20% ......................................... 0.06Residue cover >20% ......................................... 0.17

Grass:Short grass prairie ............................................ 0.15Dense grasses 2/ ................................................ 0.24Bermudagrass . ................................................. 0.41

Range (natural) ......................................................... 0.13Woods:3/

Light underbrush .............................................. 0.40

Dense underbrush ............................................ 0.80

1 The n values are a composite of information compiled by Engman

(1986).2 Includes species such as weeping lovegrass, bluegrass, buffalo

grass, blue grama grass, and native grass mixtures.3 When selecting n, consider cover to a height of about 0.1 ft. This

is the only part of the plant cover that will obstruct sheet flow.


Time of Concentration and Travel TimeChapter 3


Manning’s equation is:

Vr s

n= 1 49

2

3

1

2. [eq. 3-4]

where:

V = average velocity (ft/s)r = hydraulic radius (ft) and is equal to a/pw

a = cross sectional flow area (ft2)pw = wetted perimeter (ft)

s = slope of the hydraulic grade line (channelslope, ft/ft)

n = Manning’s roughness coefficient for openchannel flow.

Manning’s n values for open channel flow can beobtained from standard textbooks such as Chow(1959) or Linsley et al. (1982). After average velocity iscomputed using equation 3-4, Tt for the channel seg-ment can be estimated using equation 3-1.

Reservoirs or lakes

Sometimes it is necessary to estimate the velocity offlow through a reservoir or lake at the outlet of awatershed. This travel time is normally very small andcan be assumed as zero.

Limitations

• Manning’s kinematic solution should not be usedfor sheet flow longer than 300 feet. Equation 3-3was developed for use with the four standardrainfall intensity-duration relationships.

• In watersheds with storm sewers, carefully identifythe appropriate hydraulic flow path to estimate Tc.Storm sewers generally handle only a small portionof a large event. The rest of the peak flow travelsby streets, lawns, and so on, to the outlet. Consult astandard hydraulics textbook to determine averagevelocity in pipes for either pressure or nonpressureflow.

• The minimum Tc used in TR-55 is 0.1 hour.

• A culvert or bridge can act as a reservoir outlet ifthere is significant storage behind it. The proce-dures in TR-55 can be used to determine the peakflow upstream of the culvert. Detailed storagerouting procedures should be used to determinethe outflow through the culvert.

Example 3-1

The sketch below shows a watershed in Dyer County,northwestern Tennessee. The problem is to computeTc at the outlet of the watershed (point D). The 2-year24-hour rainfall depth is 3.6 inches. All three types offlow occur from the hydraulically most distant point(A) to the point of interest (D). To compute Tc, firstdetermine Tt for each segment from the followinginformation:

Segment AB: Sheet flow; dense grass; slope (s) = 0.01ft/ft; and length (L) = 100 ft. Segment BC: Shallowconcentrated flow; unpaved; s = 0.01 ft/ft; andL = 1,400 ft. Segment CD: Channel flow; Manning’sn = .05; flow area (a) = 27 ft2; wetted perimeter(Pw) = 28.2 ft; s = 0.005 ft/ft; and L = 7,300 ft.

See figure 3-2 for the computations made onworksheet 3.

A B C D

7,300 ft1,400 ft100 ft

(Not to scale)

Chapter 3



Time of Concentration and Travel Time


Worksheet 3: Time of Consentration (Tc) or travel time (Tt)Project By Date



Sheet flow (Applicable to Tc only)

1. Surface description (table 3-1) ...................................

2. Manning's roughness coefficient, n (table 3-1) ..........

3. Flow length, L (total L ≤ 300 ft) ................................. ft

4. Two-year 24-hour rainfall, p2 .................................. in

5. Land slope, s ........................................................ ft/ft

6.

Check one: Tc Tt through subarea

Segment ID

7. Surface description (paved or unpaved) .....................

8. Flow length, L ...........................................................ft

9. Watercourse slope, s ............................................ ft/ft

10. Average velocity, V (figure 3-1) ............................. ft/s

11. Compute Tt ........... hr

Segement ID

12. Cross sectional flow area, a ................................. ft2

13. Wetted perimeter, Pw .............................................. ft

14. Hydraulic radius, r = Compute r ...................... ft

15 Channel slope, s ..................................................... ft/ft

16. Manning's roughness coefficient, n ............................

17. Compute V ................ft/s

18. Flow length, L .......................................................... ft

19. Compute Tt .............. hr

20. Watershed or subarea Tc or Tt (add Tt in steps 6, 11, and 19) ....................................................... Hr


Channel flow

0.007 (nL) 0.8Tt = _____________

P2 0.5 s0.4

LTt = _______3600 V

Compute Tt ......... hr + =

1.49 r 2/3 s 1/2

nV = _______________

L3600 V

Tt = _________

Segment ID

+ =

Notes: Space for as many as two segments per flow type can be used for each worksheet. Include a map, schematic, or description of flow segments.

+ =

a

Pw

Heavenly Acres


DW

NM

10/6/85

10/8/85

XX

ABDense Grass

0.241003.6

0.010.30 0.30

BCUnpaved14000.011.6

0.24 0.24

CD27

28.20.9570.0050.052.05

73000.99 0.99

1.53

Chapter 4



Graphical Peak Dischage MethodChapter 4 Graphical Peak Discharge Method

This chapter presents the Graphical Peak Dischargemethod for computing peak discharge from rural andurban areas. The Graphical method was developedfrom hydrograph analyses using TR-20, “ComputerProgram for Project Formulation—Hydrology” (SCS1983). The peak discharge equation used is:

qp = quAmQFp [eq. 4-1}

where:

qp = peak discharge (ft3/s)qu = unit peak discharge (csm/in)

Am = drainage area (mi2)Q = runoff (in)Fp= pond and swamp adjustment factor

The input requirements for the Graphical method areas follows: (1) Tc (hr), (2) drainage area (mi2), (3)appropriate rainfall distribution (I, IA, II, or III), (4) 24-hour rainfall (in), and (5) CN. If pond and swampareas are spread throughout the watershed and are notconsidered in the Tc computation, an adjustment forpond and swamp areas is also needed.

Peak discharge computation

For a selected rainfall frequency, the 24-hour rainfall(P) is obtained from appendix B or more detailed localprecipitation maps. CN and total runoff (Q) for thewatershed are computed according to the methodsoutlined in chapter 2. The CN is used to determine theinitial abstraction (Ia) from table 4-1. Ia/P is thencomputed.

If the computed Ia/P ratio is outside the range inexhibit 4 (4-I, 4-IA, 4-II, and 4-III) for the rainfall distri-bution of interest, then the limiting value should beused. If the ratio falls between the limiting values, uselinear interpolation. Figure 4-1 illustrates the sensitiv-ity of Ia/P to CN and P.

Peak discharge per square mile per inch of runoff (qu)is obtained from exhibit 4-I, 4-IA, 4-II, or 4-III by usingTc (chapter 3), rainfall distribution type, and Ia/P ratio.The pond and swamp adjustment factor is obtainedfrom table 4-2 (rounded to the nearest table value).Use worksheet 4 in appendix D to aid in computing thepeak discharge using the Graphical method.

Figure 4-1 Variation of Ia/P for P and CN

50

151311975310

0.2

0.4

0.6

0.8

1.0

I a/P

Rainfal l (P), inches

CN = 40

6070

8090

Curve Ia

number (in)

40 ...................... 3.00041 ...................... 2.87842 ...................... 2.76243 ...................... 2.65144 ...................... 2.54545 ...................... 2.44446 ...................... 2.34847 ...................... 2.25548 ...................... 2.16749 ...................... 2.08250 ...................... 2.00051 ...................... 1.92252 ...................... 1.84653 ...................... 1.77454 ...................... 1.70455 ...................... 1.63656 ...................... 1.57157 ...................... 1.50958 ...................... 1.44859 ...................... 1.39060 ...................... 1.33361 ...................... 1.27962 ...................... 1.22663 ...................... 1.17564 ...................... 1.12565 ...................... 1.07766 ...................... 1.03067 ...................... 0.98568 ...................... 0.94169 ...................... 0.899

Curve Ia

number (in)

70 ...................... 0.85771 ...................... 0.85772 ...................... 0.81773 ...................... 0.77874 ...................... 0.70375 ...................... 0.66776 ...................... 0.63277 ...................... 0.59778 ...................... 0.56479 ...................... 0.53280 ...................... 0.50081 ...................... 0.46982 ...................... 0.43983 ...................... 0.41084 ...................... 0.38185 ...................... 0.35386 ...................... 0.32687 ...................... 0.29988 ...................... 0.27389 ...................... 0.24790 ...................... 0.22291 ...................... 0.19892 ...................... 0.17493 ...................... 0.15194 ...................... 0.12895 ...................... 0.10596 ...................... 0.08397 ...................... 0.06298 ...................... 0.041

Table 4-1 Ia values for runoff curve numbers


Graphical Peak Dischage MethodChapter 4


Table 4-2 Adjustment factor (Fp) for pond and swampareas that are spread throughout thewatershed

Percentage of pond and swamp areas Fp

0 ..................................................... 1.000.2 .................................................. 0.971.0 .................................................. 0.873.0 .................................................. 0.75

5.0 .................................................. 0.72

Limitations

The Graphical method provides a determination ofpeak discharge only. If a hydrograph is needed orwatershed subdivision is required, use the TabularHydrograph method (chapter 5). Use TR-20 if thewatershed is very complex or a higher degree ofaccuracy is required.

• The watershed must be hydrologically homoge-neous, that is, describable by one CN. Land use,soils, and cover are distributed uniformly through-out the watershed.

• The watershed may have only one main stream or,if more than one, the branches must have nearlyequal TC' s.

• The method cannot perform valley or reservoirrouting.

• The Fp factor can be applied only for ponds orswamps that are not in the Tc flow path.

• Accuracy of peak discharge estimated by thismethod will be reduced if Ia/P values are used thatare outside the range given in exhibit 4. The limit-ing Ia/P values are recommended for use.

• This method should be used only if the weightedCN is greater than 40.

• When this method is used to develop estimates ofpeak discharge for both present and developedconditions of a watershed, use the same procedurefor estimating Tc.

• Tc values with this method may range from 0.1 to10 hours.

Example 4-1

Compute the 25-year peak discharge for the 250-acrewatershed described in examples 2-2 and 3-1. Figure 4-2 shows how worksheet 4 is used to compute qp as 345ft3/s.

Chapter 4



Graphical Peak Dischage Method

Example 4-1 Worksheet 4 for example 4-1

Worksheet 4: Graphical Peak Discharge methodProject By Date



Drainage area .......................................... Am = ______________ mi2 (acres/640) _______________________

Runoff curve number .................................CN = ______________ (From worksheet 2), ____________________

Time of concentration ................................. Tc = ______________ hr (From worksheet 3), _________________

Rainfall distribution ....................................... = _______________ (I, IA, II III) ___________________________

Pond and swamp areas spreathroughout watershed ................................... = ____________ percent of Am ( ________ acres or mi2 covered)

2. Frequency .................................................................................... yr

3. Rainfall, P (24-hour) .................................................................... in

1. Data

Storm #1 Storm #2 Storm #3

4. Initial abstraction, Ia ..................................................................... in (Use CN with table 4-1)

5. Compute Ia/P ..................................................................................

6. Unit peak discharge, qu ........................................................ csm/in (Use Tc and Ia/P with exhibit 4– _____ )

7. Runoff, Q ...................................................................................... in (From worksheet 2).

8. Pond and swamp adjustment factor, Fp ........................................... (Use percent pond and swamp area with table 4-2. Factor is 1.0 for zero percent pond ans swamp area.)

9. Peak discharge, qp ..................................................................... ft3s

( Where qp = quAmQFp )

Figure 2-6

Heavenly Acres


RHM

NM10/15/85

10/15/85

0.3975

1.53

II

Figure 2-6

Figure 3-2

_ _ _ _

25

6.0

0.667

0.11

270

3.28

1.0

II

345

X




500

300

200

100

80

60

40

Un

it p

ea

k d

isc

ha

rge

(q

u),

(c

sm

/in

)

Time of concentration (Tc), (hours)

Ia /P = 0.100.20

0.25

0.30

0.35

0.40

0.45

0.50

.1 .2 .4 .6 1 2.8 4 6 8 10

Exhibit 4-I Unit peak discharge (qu) for NRCS (SCS) type I rainfall distribution

Chapter 4




200

100

80

60

40

Un

it p

ea

k d

isc

ha

rge

(q

u),

(c

sm

/in

)


30

Ia /P = 0.10

0.20

0.25

0.30

0.50

.1 .2 .4 .6 1 2.8 4 6 8 10

Exhibit 4-IA Unit peak discharge (qu) for NRCS (SCS) type IA rainfall distribution




1000

400

300

200

100

60

50

Un

it p

ea

k d

isc

ha

rge

(q

u),

(c

sm

/in

)


80

500

600

800

Ia /P = 0.100.300.350.40

0.45

.1 .2 .4 .6 1 2.8 4 6 8 10

0.50

Exhibit 4-II Unit peal discharge (qu) for NRCS (SCS) type II rainfall distribution

Chapter 4




Ia /P = 0.100.300.350.400.45

.1 .2 .4 .6 1 2.8 4 6 8 10

0.50

Un

it p

ea

k d

isc

ha

rge

(q

u),

(c

sm

/in

)


400

300

200

100

60

40

80

500

600

700

Exhibit 4-III Unit peal discharge (qu) for NRCS (SCS) type III rainfall distribution

Chapter 5



Tabular Hydrograph MethodChapter 5 Tabular Hydrograph Method

This chapter presents the Tabular Hydrograph methodof computing peak discharges from rural and urbanareas, using time of concentration (Tc) and travel time(Tt) from a subarea as inputs. This method approxi-mates TR-20, a more detailed hydrograph procedure(SCS 1983).

The Tabular method can develop partial compositeflood hydrographs at any point in a watershed bydividing the watershed into homogeneous subareas. Inthis manner, the method can estimate runoff fromnonhomogeneous watersheds. The method is espe-cially applicable for estimating the effects of land usechange in a portion of a watershed. It can also be usedto estimate the effects of proposed structures.

Input data needed to develop a partial composite floodhydrograph include (1) 24-hour rainfall (in), (2) appro-priate rainfall distribution (I, IA, II, or III), (3) CN, (4)Tc (hr), (5) Tt (hr), and (6) drainage area (mi2).

Tabular Hydrograph methodexhibits

Exhibit 5 (5-I, 5-IA, 5-II, and 5-III) shows tabular dis-charge values for the various rainfall distributions.Tabular discharges expressed in csm/in (cubic feet ofdischarge per second per square mile of watershed perinch of runoff) are given for a range of subarea Tc’sfrom 0.1 to 2 hours and reach Tt’s from 0 to 3 hours.

The exhibit was developed by computing hydrographsfor 1 square mile of drainage area for selected Tc’s androuting them through stream reaches with the range ofTt’s indicated. The Modified Att-Kin method for reachrouting, formulated by SCS in the late 1970’s, was usedto compute the tabular hydrographs (Comer et al.,1981). A CN of 75 and rainfall amounts generatingappropriate Ia/P ratios were used. The resulting runoffestimate was used to convert the hydrographs inexhibits 5-I through 5-III to cubic feet of discharge persecond per square mile of watershed per inch ofrunoff.

An assumption in development of the tabularhydrographs is that all discharges for a stream reachflow at the same velocity. By this assumption, thesubarea flood hydrographs may be routed separatelyand added at the reference point. The tabularhydrographs in exhibit 5 are prerouted hydrographs.

For Tt’s other than zero, the tabular discharge valuesrepresent the contribution from a single subarea to thecomposite hydrograph at Tt downstream.

Information required for TabularHydrograph method

The following information is required for the Tabularmethod:

1. Subdivision of the watershed into areas that arerelatively homogeneous and have convenientrouting reaches.

2. Drainage area of each subarea in square miles.

3. Tc for each subarea in hours. The procedure forestimating Tc is outlined in chapter 3. Worksheet 3(appendix D) can be used to calculate Tc.

4. Tt for each routing reach in hours. The procedurefor estimating Tt is outlined in chapter 3.Worksheet 3 can be used to calculate Tt through asubarea for shallow concentrated and open chan-nel flow.

5. Weighted CN for each subarea. Table 2-2 showsCN’s for individual hydrologic soil cover combina-tions. Worksheet 2 can be used to calculate theweighted runoff curve number.

6. Appropriate rainfall distribution according tofigure B-2 (appendix B).

7. The 24-hour rainfall for the selected frequency.Appendix B contains rainfall maps for variousfrequencies (figures B-3 to B-8).

8. Total runoff (Q) in inches computed from CN andrainfall.

9. Ia for each subarea from table 5-1, which is thesame as table 4-1.

10. Ratio of Ia/P for each subarea. If the ratio for therainfall distribution of interest is outside the rangeshown in exhibit 5, use the limiting value.


Tabular Hydrograph MethodChapter 5


Development of composite floodhydrograph

This section describes the procedure for developingthe peak discharge and selected discharge values of acomposite flood hydrograph.

Selecting Tc and Tt

First, use worksheet 5a to develop a summary of basicwatershed data by subarea. Then use worksheet 5b todevelop a tabular hydrograph discharge summary; thissummary displays the effect of individual subareahydrographs as routed to the watershed point of

interest. Use STt for each subarea as the total reachtravel time from that subarea through the watershed tothe point of interest. Compute the hydrograph coordi-nates for selected STt’s using the appropriate sheets inexhibit 5. The flow at any time is:

q q A Qt m= [eq. 5-1]

where:

q = hydrograph coordinate (ft3/s) at hydrographtime t

qt = tabular hydrograph unit discharge fromexhibit 5 (csm/in)

Am = drainage area of individual subarea (mi2)Q = runoff (in)

Since the timing of peak discharge changes with Tc

and Tt, interpolation of peak discharge for Tc and Tt

values for use in exhibit 5 is not recommended. Inter-polation may result in an estimate of peak dischargethat would be invalid because it would be lower thaneither of the hydrographs. Therefore, round the actualvalues of Tc and Tt to values presented in exhibit 5.Perform this rounding so that the sum of the selectedtable values is close to the sum of actual Tc and Tt. Anacceptable procedure is to select the results of one ofthree rounding operations:

1. Round Tc and Tt separately to the nearest tablevalue and sum,

2. Round Tc down and Tt up to nearest table valueand sum,

3. Round Tc up and Tt down to nearest table valueand sum.

From these three alternatives, choose the pair ofrounded Tc and Tt values whose sum is closest to thesum of the actual Tc and Tt. If two rounding methodsproduce sums equally close to the actual sum, use the

Curve Ia

number (in)

40 3.00041 2.87842 2.76243 2.65144 2.54545 2.44446 2.34847 2.25548 2.16749 2.08250 2.00051 1.92252 1.84653 1.77454 1.70455 1.63656 1.57157 1.50958 1.44859 1.39060 1.33361 1.27962 1.22663 1.17564 1.12565 1.07766 1.03067 0.98568 0.94169 0.899

Curve Ia

number (in)

70 0.85771 0.81772 0.77873 0.74074 0.70375 0.66776 0.63277 0.59778 0.56479 0.53280 0.50081 0.46982 0.43983 0.41084 0.38185 0.35386 0.32687 0.29988 0.27389 0.24790 0.22291 0.19892 0.17493 0.15194 0.12895 0.10596 0.08397 0.06298 0.041

Table 5-1 Ia values for runoff curve numbers

Chapter 5



Tabular Hydrograph Method

combination in which rounded Tc is closest to actualTc. An illustration of the rounding procedure is asfollows:

Table values by roundingmethod

Actualvalues 1 2 3

Tc 1.1 1.0 1.0 1.25Tt 1.7 1.5 2.0 1.5

Sum 2.8 2.5 3.0 2.75

In this instance, the results from method 3 would beselected because the sum 2.75 is closest to the actualsum of 2.8.

Selecting Ia/P

The computed Ia/P value can be rounded to the near-est Ia/P value in exhibits 5-I through 5-III, or thehydrograph values (csm/in) can be linearly interpo-lated because Ia/P interpolation generally involvespeaks that occur at the same time.

Summing for the composite hydrograph

The composite hydrograph is the summation ofprerouted individual subarea hydrographs at each timeshown on worksheet 5b. Only the times encompassingthe expected maximum composite discharge aresummed to define a portion of the compositehydrograph.

If desired, the entire composite hydrograph can beapproximated by linear extrapolation as follows:

1. Set up a table similar to worksheet 5b. Include onthis table the full range of hydrograph times dis-played in exhibit 5.

2. Compute the subarea discharge values for thosetimes and insert them in the table.

3. Sum the values to obtain the compositehydrograph.

4. Apply linear extrapolation to the first two pointsand the last two points of the compositehydrograph. The volume under this approximationof the entire composite hydrograph may differfrom the computed runoff volume.

Limitations

The Tabular method is used to determine peak flowsand hydrographs within a watershed. However, itsaccuracy decreases as the complexity of the water-shed increases. If you want to compare present anddeveloped conditions of a watershed, use the sameprocedure for estimating Tc for both conditions.

Use the TR-20 computer program (SCS 1983) insteadof the Tabular method if any of the following condi-tions applies:

• Tt is greater than 3 hours (largest Tt in exhibit 5).• Tc is greater than 2 hours (largest Tc in exhibit 5).• Drainage areas of individual subareas differ by a

factor of 5 or more.• The entire composite flood hydrograph or entire

runoff volume is required for detailed floodroutings. The hydrograph based on extrapolation isonly an approximation of the entire hydrograph.

• The time of peak discharge must be more accuratethan that obtained through the Tabular method.

The composite flood hydrograph should be comparedwith actual stream gage data where possible. Theinstantaneous peak flow value from the compositeflood hydrograph can be compared with data fromUSGS curves of peak flow versus drainage area.




Examples

A developer proposes to put a subdivision, Fallswood,in subareas 5, 6, and 7 of a watershed in Dyer County,northwestern Tennessee (see sketch below). Beforeapproving the developer’s proposal, the planningboard wants to know how the development wouldaffect the 25-year peak discharge at the downstreamend of subarea 7. The rainfall distribution is type II(figure B-2), and the 24-hour rainfall (P) is 6.0 inches(figure B-6).

Example 5-1

Compute the 25-year frequency peak discharge at thedownstream end of subarea 7 for present conditions,using worksheets 5a and 5b. To do this, first calculatethe present condition CN, Tc, and Tt for each subarea,using the procedures in chapters 2 and 3. Enter thevalues on worksheet 5a (figure 5-1).

Next, compute the prerouted hydrograph points foreach subarea hydrograph over a range of time near thepeak discharge using worksheet 5b (figure 5-2) and theappropriate exhibit 5. For example, for subarea 4, inwhich Tc= 0.75 hr, refer to sheet 6 of exhibit 5-II. WithΣTt of 2.00 hr (the sum of downstream travel timethrough subareas 5 and 7 to the outlet) and Ia/P of 0.1,

2 1

34

65

7

Subarea1

Stream

Watershed boundary

Subareaboundary

the routed peak discharge of subarea 4 at the outlet ofsubarea 7 occurs at 14.6 hr and is 274 csm/in. Solvingequation 5-1 with appropriate values provides the peakdischarge (q) for subarea 4 at 14.6 hr:

q = qt(AmQ) = (274)(0.70) = 192 ft3/s.

Once all the prerouted subarea hydrographs have beentabulated on worksheet 5b, sum each of the timecolumns to obtain the composite hydrograph. Theresulting 25-year frequency peak discharge is 720 ft3/sat 14.3 hr (figure 5-2).

Example 5-2

Compute the 25-year frequency peak discharge at thedownstream end of subarea 7 for the developed condi-tions, using worksheets 5a and 5b.

First, calculate the developed condition CN, Tc, and Tt

for each subarea, using the procedures in chapters 2and 3. Enter the values on worksheet 5a (figure 5-3).

Next, compute the prerouted hydrograph points foreach subarea hydrograph over a range of time near thepeak discharge using worksheet 5b (figure 5-4) and theappropriate exhibit 5. For example, for subarea 6, inwhich Tc= 1.0 hr, refer to sheet 7 of exhibit 5-II. WithΣTt of 0.5 hr (downstream travel time through subarea7 to the outlet) and Ia/P of 0.1, the peak discharge ofsubarea 6 at the outlet of the watershed occurs at 13.2hr and is 311 csm/in. Solving equation 5-1 provides thepeak discharge (q):

q = q t (AmQ) = (311)(1.31) = 407 ft3/s.

Once all the prerouted subarea hydrographs have beentabulated on worksheet 5b, sum each of the timecolumns to obtain the composite hydrograph. Theresulting 25-year frequency peak discharge is 872 ft3/sat 13.6 hr (figure 5-4).

Comparison

According to the results of the two examples, theproposed subdivision at the downstream end of sub-area 7 is expected to increase peak discharge from 720to 872 ft3/s and to decrease the time to peak from 14.3to 13.6 hr.

Chapter 5




Wo

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data

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Run

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1 2 3 4 5 6 7

0.30

0.20 0.10

0.25

0.20

0.40

0.20

1.50

1.25

0.50

0.75

1.50

1.50

1.25

– –

– –

0.50 –

–

1.25

– –

0.75

3, 5

, 7

3, 5

, 7 5, 7

5, 7 7 7

– –

2.50

2.50

2.00

2.00 0.75

0.75 0

6.0

6.0

6.0

6.0

6.0

6.0

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65 70 75 70 75 70 75

0.71

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0.33

0.70

0.6

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1.12

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1.077

0.85

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0.6

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0.85

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0.6

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0.85

7

0.6

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0.18

0.14 0.11

0.14 0.11

0.14 0.11

2.35

2.80

3.28

2.80

3.28

2.80

3.28

Figure 5-1 Worksheet 5a for example 5-1




Figure 5-2 Worksheet 5b for example 5-1

Wo

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5b

: B

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yr)

Sub

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12.7

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14.0

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14.6

15.0

15.5

1 2 3 4 5 6 7

1.50

1.25

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1.50

1.50

1.25

2.50

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0.75 0

0.10

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0.10

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0.56

0.33

0.70

0.6

6

1.12

0.6

6

4 3 5 8 21 36 169

4 4 5 9 28 47 187

5 4 6 11 50 85 205

6 6 8 14 83 140

176

6 7 12 20 118 200

140

8 8 21 34 147

249

108

10 11 41 62

158

269 85

113 16 67

106

154

261

69

24 32 98 172

127

216 51

49 64 92 192

98 166 40

100 110 60

149 67

114 31

149

127

29 81 44 75 24

246

284

366

433

503

575

636

686

720

701

631

529

Chapter 5





Wo

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5a:

Basic

wate

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data

Pro

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By

Dat

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Sub

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yr)

Dra

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Am

(mi2

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(hr)

Trav

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(hr)

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suba

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24-h

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Run

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Q (in)

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Q

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1 2 3 4 5 6 7

0.30

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0.40

0.20

1.50

1.25

0.50

0.75

1.50

1.50

1.25

– –

– –

0.50

–

–

1.00 – –

0.50

3, 5

, 7

3, 5

, 7 5, 7

5, 7 7 7

– –

2.00

2.00 1.5

0

1.50

0.50

0.50 0

6.0

6.0

6.0

6.0

6.0

6.0

6.0

65 70 75 70 85 75 90

2.35

2.80

3.28

2.80 4.31

3.28

4.85

1.077

0.85

7

0.6

67

0.85

7

0.35

3

0.85

7

0.22

2

0.18

0.14 0.11

0.14

0.06 0.14

0.04

0.71

0.56

0.33

0.70

0.86 1.3

1

0.97




Figure 5-4 Worksheet 5b for example 5-2

Wo

rk

sh

eet

5b

: B

asic

wate

rsh

ed

data

Pro

ject

By

Dat

eLo

catio

n

Che

cked

Dat

eC

heck

one

:

Pre

sent

D

evel

oped

Sub

area

nam

e

Fre

quen

cy (

yr)

Sub

area

Tc

(hr)

ΣTt

to o

utle

t

(hr)

Am

Q

( m

i2–i

n )

I a/P

Bas

ic w

ater

shed

dat

a us

ed 1

1W

orks

heet

5a.

Rou

nded

as

need

ed fo

r us

e w

ith e

xhib

it 5.

2E

nter

rai

nfal

l dis

trib

utio

n ty

pe u

sed.

3H

ydro

grap

h di

scha

rge

for

sele

cted

tim

es is

Am

Q m

ultip

lied

by ta

bula

r di

scha

rge

from

app

ropr

iate

exh

ibit

5.

Com

posi

te h

ydro

grap

h at

out

let

Dis

char

ges

at s

elec

ted

hydr

ogra

ph ti

mes

3(

ft3s

)

Sel

ect a

nd e

nter

hyd

rogr

aph

times

in h

ours

from

exh

ibit

5-I

I 2

Falls

wood

Dyer

Cou

nty,

Tenn

esse

eDW UM

2510

/1/85

10/3

/85

12.7

12.8

13.0

13.2

13.4

13.6

13.8

14.0

14.3

14.6

15.0

15.5

1 2 3 4 5 6 7

1.50

1.25

0.50

0.75

1.50

1.00

0.75

2.00

2.00 1.5

0

1.50

0.50

0.50 0

0.10

0.10

0.10

0.10

0.10

0.10

0.10

0.71

0.56

0.33

0.70

0.86 1.3

1

0.97

6 6 8 13 51 149

398

6 6 9 14 69

208

358

7 7 14 19 117 331

244

9 9 29 32 167

407

167

11 12 58 63

205

393 119

16 20 89 114 214

329 90

24 33 106

169

202

255 72

40 55 102

207

175

195 59

78 96 74 193

132

134 48

122

132

46 143 99 97 40

155

132 25 83 70 69 34

133 87 16 46 48 52 30

631

670

739

820

861

872

861

833

755

679

568

412

X

Chapter 5




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.1 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

030

4056

18333

750

432

615

512

210

793

8173

6660

5654

5249

4644

4036

3230

2928

2726

2420

13.1

026

3548

9315

327

642

836

022

315

612

310

383

7265

5956

5451

4745

4237

3330

2928

2826

2421

13.2

023

3041

6082

129

227

361

360

269

194

14711

885

7163

5855

5349

4643

3935

3129

2928

2624

2114

.30

2229

3956

7311

118

830

334

129

322

717

313

694

7565

6056

5450

4743

3935

3129

2928

2625

2114

.40

1825

3446

5366

9615

725

531

230

025

119

912

690

7364

5956

5248

4440

3632

3029

2826

2521

14.5

018

2432

4450

6184

133

214

280

293

26522

114

499

7766

6056

5249

4541

3732

3029

2827

2521

14.7

514

1925

3438

4349

6288

134

190

23425

222

116

211

587

7163

5652

4743

3935

3129

2927

2522

151.

011

1419

2628

3134

3844

5268

9814

122

223

819

113

910

179

6356

5145

4137

3330

2927

2622

15

1.5

910

1317

1820

2225

2730

3438

4474

132

191

211

19015

110

173

5850

4541

3733

3028

2723

162.

06

79

1112

1314

1516

1820

2224

2938

5897

14819

319

314

189

6151

4641

3733

2927

2417

2.5

45

78

99

1011

1112

1314

1619

2329

3958

9315

418

114

787

6151

4541

3730

2825

183.

02

35

66

77

89

910

1011

1315

1923

2839

7212

417

013

886

6150

4540

3329

2619

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.1 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

6119

534

323

212

911

310

391

8176

7166

6462

6159

5654

5147

4340

4039

3937

3631

21.1

00

00

1245

145

277

247

169

131

112

9887

7670

6564

6260

5755

5349

4440

4039

3938

3632

21.2

00

00

933

107

220

238

192

151

125

107

9479

7166

6462

6158

5653

4945

4140

4039

3836

3221

.30

00

01

624

7917

321

620

016

813

911

890

7770

6664

6259

5754

5046

4140

4039

3836

3222

.40

00

01

417

5913

518

919

617

715

212

997

8172

6764

6360

5754

5146

4240

4039

3836

3222

.50

00

00

03

1243

104

161

185

18016

112

193

7971

6664

6158

5552

4843

4040

3938

3733

22.7

50

00

00

15

1849

9213

015

315

914

211

492

7971

6663

6056

5349

4441

4040

3837

3323

1.0

00

00

00

00

29

2756

9214

415

212

810

386

7567

6359

5551

4743

4040

3937

3424

1.5

00

00

00

00

00

02

632

7912

113

612

710

985

7264

5855

5147

4340

3938

3425

2.0

00

00

00

00

00

00

01

933

7010

512

611

897

7563

5854

5046

4240

3935

262.

50

00

00

00

00

00

00

00

211

3263

105

118

100

7563

5854

5046

4039

3627

3.0

00

00

00

00

00

00

00

00

13

1243

8411

296

7463

5854

5042

4037

28--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.1 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

313

2839

4445

4646

4849

5153

5454

5556

5553

5050

4949

4949

4845

32.1

00

00

00

29

2233

4144

4546

4849

5052

5454

5456

5553

5050

4949

4949

4845

32.2

00

00

00

01

717

2836

4144

4648

4951

5354

5456

5654

5150

5049

4949

4845

32.3

00

00

00

00

15

1323

3238

4447

4850

5153

5454

5554

5250

5049

4949

4846

33

.40

00

00

00

00

310

1827

3443

4648

4951

5354

5455

5452

5050

4949

4948

4633

.50

00

00

00

00

02

715

2336

4346

4850

5153

5455

5553

5050

4949

4948

4634

.75

00

00

00

00

01

37

1327

3743

4648

5052

5455

5554

5150

5049

4948

4634

1.0

00

00

00

00

00

00

18

2032

4045

4750

5254

5554

5250

5049

4949

4736

1.5

00

00

00

00

00

00

00

15

1323

3342

4751

5455

5453

5050

4949

4837

2.0

00

00

00

00

00

00

00

00

15

1225

3746

5154

5554

5250

4949

4839

2.5

00

00

00

00

00

00

00

00

00

15

1531

4551

5355

5452

5049

4841

3.0

00

00

00

00

00

00

00

00

00

00

314

3245

5153

5454

5149

4842

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+------

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 0.1 HR * * *

SHEE

T 1

0F 1

0




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)

------------------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.2 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

028

3752

12622

037

940

526

716

812

910

892

8069

6258

5553

5047

4441

3733

3029

2827

2624

2113

.10

2432

4471

108

182

313

375

303

213

157

12410

378

6861

5755

5249

4642

3834

3029

2928

2624

2114

.20

2128

3853

6594

153

260

336

314

247

18714

597

7767

6057

5450

4744

3935

3130

2928

2625

2114

.30

2027

3650

6082

129

216

296

308

267

21416

811

082

6962

5855

5147

4440

3632

3029

2826

2521

14

.40

1723

3142

4756

7411

118

125

829

127

523

415

210

379

6861

5753

4945

4137

3330

2928

2725

2214

.50

1622

3040

4552

6696

153

223

269

27324

717

111

586

7163

5854

5046

4237

3330

2928

2725

2214

.75

1317

2432

3539

4452

6899

145

19422

924

018

313

297

7766

5853

4844

3935

3130

2927

2622

151.

011

1317

2426

2932

3539

4556

7510

718

922

920

615

811

588

6758

5246

4238

3431

2928

2623

15

1.5

810

1215

1719

2123

2528

3135

3960

106

166

204

19716

511

279

6051

4642

3733

3028

2723

162.

05

79

1011

1213

1415

1718

2022

2734

4979

12616

918

815

297

6452

4642

3834

2928

2417

2.5

35

68

89

1010

1112

1314

1518

2226

3449

7713

617

615

595

6452

4642

3731

2825

183.

02

34

56

67

78

89

910

1113

1619

2329

4991

154

167

102

6753

4742

3429

2619

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.30

* * * TC = 0.2 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

2276

206

258

207

144

119

104

9282

7468

6563

6260

5755

5248

4440

4039

3938

3632

21.1

00

00

316

5615

622

421

316

713

511

499

8173

6765

6361

5856

5350

4541

4040

3938

3632

22.2

00

00

211

4111

618

920

517

915

012

610

885

7569

6563

6259

5654

5046

4140

4039

3836

3222

.30

00

00

28

3058

155

188

182

16113

810

383

7468

6563

6057

5551

4742

4040

3938

3632

22

.40

00

00

16

2266

126

167

177

16614

711

188

7669

6663

6158

5551

4743

4040

3938

3733

22.5

00

00

00

14

1650

100

145

16716

613

610

585

7569

6562

5956

5349

4441

4040

3837

3323

.75

00

00

00

27

2250

8711

914

014

812

410

185

7469

6461

5754

5045

4240

4038

3733

231.

00

00

00

00

01

311

2855

114

142

135

113

9380

6964

6056

5248

4441

4039

3734

24

1.5

00

00

00

00

00

01

217

5297

124

12911

591

7565

5955

5248

4341

3938

3525

2.0

00

00

00

00

00

00

00

419

4984

11112

010

279

6559

5551

4743

4039

3626

2.5

00

00

00

00

00

00

00

01

620

4589

113

104

7865

5955

5147

4139

3628

3.0

00

00

00

00

00

00

00

00

02

730

6810

899

7765

5854

5043

4037

29----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.2 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

04

1528

3843

4545

4849

5052

5353

5353

5353

5050

5049

4949

4845

32.1

00

00

00

03

1122

3240

4345

4748

5052

5353

5353

5353

5050

5049

4949

4845

32.2

00

00

00

02

817

2736

4143

4648

4951

5353

5353

5353

5150

5049

4949

4845

33.3

00

00

00

01

613

2331

3841

4548

4951

5253

5353

5353

5150

5049

4949

4846

33

.40

00

00

00

14

1019

2734

3944

4749

5052

5353

5353

5351

5050

4949

4949

4633

.50

00

00

00

13

815

2330

3643

4648

5051

5353

5353

5352

5050

4949

4948

4633

.75

00

00

00

00

38

1420

2737

4346

4850

5253

5353

5352

5050

5049

4948

4634

1.0

00

00

00

00

00

02

414

2636

4246

4851

5253

5353

5250

5049

4949

4735

1.5

00

00

00

00

00

00

01

513

2333

4046

4952

5353

5351

5050

4949

4837

2.0

00

00

00

00

00

00

00

13

816

2637

4450

5253

5353

5150

4949

4838

2.5

00

00

00

00

00

00

00

00

13

819

3143

5052

5353

5251

5049

4839

3.0

00

00

00

00

00

00

00

00

00

03

1125

4149

5253

5352

5049

4841

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 0.2 HR * * *

SHEE

T 2

OF

10

Chapter 5




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.3 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

025

3446

8713

824

234

934

625

618

214

111

597

7666

6057

5452

4845

4238

3430

2928

2826

2421

13.1

024

3244

7711

820

029

933

028

121

516

613

210

982

6962

5855

5249

4642

3834

3029

2928

2624

2114

.20

2128

3854

6910

216

725

530

528

924

019

015

210

379

6761

5754

5047

4440

3531

3029

2826

2521

14.3

020

2736

5163

8914

121

727

628

525

521

217

211

585

7163

5855

5148

4440

3632

3029

2826

2521

14

.40

1723

3142

4858

7912

018

524

627

226

022

815

610

882

6962

5753

4945

4137

3330

2928

2725

2214

.50

1622

3040

4554

7010

415

821

625

325

823

817

312

089

7263

5854

5046

4237

3330

2928

2725

2214

.75

1317

2432

3539

4554

7210

414

718

921

923

118

213

510

079

6758

5348

4440

3532

3029

2726

2215

1.0

1113

1724

2629

3235

4046

5879

11018

422

120

215

811

890

6858

5246

4238

3431

2928

2623

15

1.5

810

1215

1719

2123

2528

3135

4062

107

163

199

19316

511

481

6152

4642

3733

3128

2723

162.

05

79

1011

1213

1415

1718

2022

2735

5080

12516

518

415

299

6453

4742

3834

2928

2417

2.5

35

68

89

1010

1112

1314

1518

2227

3550

7813

417

315

496

6452

4642

3731

2825

183.

02

34

66

77

88

99

1011

1214

1721

2634

6110

716

414

594

6452

4641

3329

2619

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.3 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

832

9819

821

719

214

812

510

895

7972

6764

6361

5856

5349

4541

4040

3938

3632

22.1

00

00

16

2373

156

197

194

164

13811

891

7770

6664

6259

5754

5046

4140

4039

3836

3222

.20

00

01

417

5412

217

218

717

114

912

898

8172

6764

6360

5754

5146

4240

4039

3836

3222

.30

00

00

03

1240

9514

617

317

215

712

034

7971

6764

6158

5552

4843

4040

3938

3733

23

.40

00

00

02

930

7312

215

616

716

012

810

083

7368

6562

5956

5248

4441

4039

3837

3323

.50

00

00

01

622

5610

013

715

715

913

510

787

7669

6562

5956

5349

4441

4040

3837

3323

.75

00

00

00

13

926

5386

11514

313

411

393

8072

6562

5854

5146

4240

4039

3733

231.

00

00

00

00

01

514

3257

111

138

132

113

9481

6964

6056

5248

4441

4039

3734

24

1.5

00

00

00

00

00

00

18

3474

111

12612

199

8067

6156

5349

4441

3938

3526

2.0

00

00

00

00

00

00

00

211

3366

9711

810

884

6760

5652

4844

4039

3627

2.5

00

00

00

00

00

00

00

00

312

3274

106

112

8367

6056

5248

4139

3728

3.0

00

00

00

00

00

00

00

00

01

421

5498

107

8167

6055

5143

4037

29--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.3 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

01

616

2736

4144

4648

4951

5252

5252

5252

5150

5049

4949

4846

33.1

00

00

00

01

412

2231

3842

4548

4951

5252

5252

5252

5150

5049

4949

4846

33.2

00

00

00

00

39

1827

3439

4447

4950

5152

5252

5252

5150

5049

4949

4846

33.3

00

00

00

00

27

1423

3036

4346

4850

5152

5252

5252

5150

5049

4949

4846

33

.40

00

00

00

01

511

1926

3341

4648

4951

5252

5252

5252

5050

4949

4948

4633

.50

00

00

00

01

49

1523

3039

4447

4950

5152

5252

5252

5050

4949

4948

4633

.75

00

00

00

00

24

814

2031

4044

4749

5152

5252

5252

5050

5049

4948

4634

1.0

00

00

00

00

00

01

29

2031

3944

4750

5152

5252

5250

5050

4949

4736

1.5

00

00

00

00

00

00

00

39

1828

3644

4851

5252

5251

5050

4949

4837

2.0

00

00

00

00

00

00

00

02

512

2133

4248

5152

5252

5150

4949

4838

2.5

00

00

00

00

00

00

00

00

02

515

2740

4851

5252

5251

5049

4840

3.0

00

00

00

00

00

00

00

00

00

13

1125

4148

5152

5251

5049

4841

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 0.3 HR * * *

SHEE

T 3

OF

10




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.4 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

023

3142

6696

157

250

310

304

244

186

14912

289

7364

5956

5349

4643

3935

3129

2928

2625

2114

.10

2229

4061

8413

321

127

729

526

121

117

013

898

7866

6056

5450

4743

3935

3129

2928

2625

2114

.20

1926

3447

5675

114

178

244

278

267

23019

012

893

7565

5956

5248

4440

3632

3029

2827

2521

14.3

018

2433

4553

6798

152

213

257

263

24120

714

310

280

6861

5752

4945

4137

3230

2928

2725

2114

.40

1521

2838

4349

6186

130

185

233

25324

518

813

297

7766

6055

5146

4238

3430

2928

2725

2214

.50

1520

2736

4146

5676

112

161

209

23824

320

114

610

682

6961

5551

4742

3834

3129

2927

2522

14.7

512

1621

2932

3539

4657

7710

814

718

422

020

015

711

891

7461

5550

4540

3632

3029

2726

2215

1.0

1012

1621

2426

2932

3640

4861

8314

720

221

217

813

810

575

6254

4743

3935

3129

2826

2316

1.5

89

1114

1617

1921

2325

2831

3550

8313

417

919

317

713

192

6553

4742

3834

3129

2724

162.

05

68

1010

1112

1314

1517

1820

2531

4264

10214

417

916

311

170

5548

4339

3530

2825

172.

53

46

78

89

910

1112

1314

1620

2430

4263

114

160

170

107

7054

4743

3831

2925

183.

02

34

56

67

78

89

910

1113

1619

2330

5190

148

161

104

6954

4742

3429

2619

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+IA

/P =

0.3

0* * * TC = 0.4 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

314

4811

518

419

217

814

812

711

188

7770

6664

6259

5654

5046

4140

4039

3836

3222

.10

00

00

210

3589

152

179

178

15813

710

585

7569

6563

6058

5551

4742

4040

3938

3632

22.2

00

00

02

726

6812

416

117

216

314

611

390

7870

6664

6158

5552

4743

4040

3938

3733

22.3

00

00

01

519

5210

014

016

216

215

112

096

8172

6764

6159

5552

4843

4140

3938

3733

23

.40

00

00

01

414

3980

120

14815

814

211

492

7971

6763

6057

5349

4541

4040

3837

3323

.50

00

00

01

310

2963

101

13215

214

512

097

8273

6863

6057

5350

4541

4040

3837

3323

.75

00

00

00

01

413

3158

8713

013

812

310

387

7768

6359

5551

4743

4140

3937

3424

1.0

00

00

00

00

02

718

3686

125

134

122

104

8873

6661

5753

4945

4140

3938

3424

1.5

00

00

00

00

00

00

110

3675

109

12412

010

081

6861

5653

4944

4140

3835

262.

00

00

00

00

00

00

00

01

622

5083

116

116

9170

6157

5349

4540

3936

272.

50

00

00

00

00

00

00

00

02

822

6097

111

8870

6156

5348

4239

3728

3.0

00

00

00

00

00

00

00

00

00

214

4389

106

8669

6156

5244

4037

29+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+IA

/P =

0.5

0* * * TC = 0.4 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

28

1727

3440

4447

4950

5151

5151

5151

5150

5049

4949

4846

33.1

00

00

00

00

02

613

2230

4045

4749

5051

5151

5151

5150

5050

4949

4846

34.2

00

00

00

00

00

14

1018

3341

4548

4951

5151

5151

5150

5050

4949

4946

34.3

00

00

00

00

00

01

38

2235

4246

4850

5151

5151

5151

5050

4949

4947

35

.40

00

00

00

00

00

12

619

3240

4547

4951

5151

5151

5150

5049

4949

4735

.50

00

00

00

00

00

00

29

2334

4145

4850

5151

5151

5150

5049

4949

4735

.75

00

00

00

00

00

00

15

1426

3542

4649

5051

5151

5150

5050

4949

4736

1.0

00

00

00

00

00

00

00

15

1425

3544

4850

5151

5151

5050

4949

4837

1.5

00

00

00

00

00

00

00

00

26

1327

3947

5051

5151

5150

4949

4839

2.0

00

00

00

00

00

00

00

00

00

29

2136

4750

5151

5151

5049

4840

2.5

00

00

00

00

00

00

00

00

00

01

619

3747

5051

5151

5040

4842

3.0

00

00

00

00

00

00

00

00

00

00

18

2540

4850

5151

5050

4943

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+RA

INFA

LL T

YPE

= I

* * * TC = 0.4 HR * * *

SHEE

T 4

OF 1

0

Chapter 5




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.5 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+

0.0

2123

3856

7311

117

524

728

227

122

918

615

210

884

7163

5855

5147

4440

3531

3029

2826

2521

14.1

020

2736

5266

9614

921

425

926

724

220

416

911

990

7465

5955

5148

4440

3632

3029

2826

2521

14.2

017

2331

4249

6084

127

185

234

256

24721

915

611

286

7263

5853

4945

4137

3330

2928

2725

2214

.30

1622

3040

4655

7411

016

021

024

124

522

717

112

393

7666

5954

5046

4238

3330

2928

2725

2214

.40

1419

2635

3843

5167

9513

818

622

223

721

015

711

589

7364

5752

4743

3935

3129

2927

2522

15.5

014

1825

3337

4148

6184

120

164

20322

921

617

012

696

7766

5853

4843

3935

3130

2927

2522

15.7

511

1419

2629

3235

4048

6183

11414

820

221

017

613

710

684

6657

5146

4137

3330

2928

2622

151.

010

1115

1921

2426

2932

3641

5065

116

176

203

190

15612

285

6756

4944

4035

3230

2826

2316

1.5

79

1113

1416

1719

2123

2528

3142

6711

015

718

718

314

610

472

5548

4339

3532

2927

2417

2.0

46

79

1010

1112

1314

1517

l822

2736

5383

12317

517

512

477

5749

4440

3530

2825

182.

53

45

77

88

99

1011

1213

1518

2227

3653

9714

616

611

976

5749

4439

3229

2518

3.0

12

35

56

66

78

89

911

1215

1721

2743

7613

515

811

475

5748

4335

3026

19--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.5 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

16

2264

123

168

174

165

14312

610

084

7468

6563

6057

5451

4742

4040

3938

3632

22.1

00

00

15

1648

9814

416

416

515

013

410

687

7770

6663

6058

5551

4742

4040

3938

3632

22.2

00

00

01

312

3677

122

150

16015

412

610

185

7569

6562

5956

5248

4441

4039

3837

3323

.30

00

00

02

927

6010

113

415

115

313

210

789

7770

6663

6056

5349

4441

4040

3837

3323

.40

00

00

00

26

2047

8311

714

014

812

510

286

7669

6461

5754

5046

4240

4039

3733

23.5

00

00

00

01

515

3668

10112

714

413

010

890

7871

6562

5854

5046

4240

4039

3733

23.7

50

00

00

00

26

1736

6087

125

133

121

103

8878

6863

5955

5247

4341

4039

3734

241.

00

00

00

00

00

13

921

6210

613

012

611

296

7869

6257

5450

4642

4039

3834

25

1,5

00

00

00

00

00

00

16

2356

9211

512

010

687

7162

5753

4945

4240

3835

262.

00

00

00

00

00

00

00

00

314

3667

104

113

9674

6358

5450

4640

3936

272.

50

00

00

00

00

00

00

00

01

515

4785

109

9373

6357

5349

4240

3728

3.0

00

00

00

00

00

00

00

00

00

19

3277

105

9072

6257

5345

4038

30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.50

* * * TC = 0.5 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

14

1018

2633

4145

4749

5050

5050

5050

5050

5050

4949

4846

33.1

00

00

00

00

13

815

2230

3944

4749

5050

5050

5050

5050

5050

4949

4846

34.2

00

00

00

00

02

612

1926

3743

4648

5050

5050

5050

5050

5050

4949

4846

34.3

00

00

00

00

01

49

1623

3441

4548

4950

5050

5050

5050

5050

4949

4946

34

.40

00

00

00

00

13

713

1931

3944

4749

5050

5050

5050

5050

5049

4949

4634

.50

00

00

00

00

12

610

1628

3743

4648

5050

5050

5050

5050

5049

4949

4634

.75

00

00

00

00

01

36

1020

3038

4346

4850

5050

5050

5050

5049

4949

4735

1.0

00

00

00

00

00

00

03

1020

3038

4347

4950

5050

5050

5050

4949

4736

1.5

00

00

00

00

00

00

00

26

1423

3141

4649

5050

5050

5050

4949

4838

2.0

00

00

00

00

00

00

00

00

26

1325

3645

4950

5050

5050

4949

4839

2.5

00

00

00

00

00

00

00

00

01

412

2337

4649

5050

5050

5049

4840

3.0

00

00

00

00

00

00

00

00

00

02

821

3746

4950

5050

5049

4842

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 0.5 HR * * *

SHEE

T 5

OF

10




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.75 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

016

2230

4147

5982

119

167

209

229

23321

216

112

297

8069

6256

5146

4238

3331

2928

2725

2214

.10

1419

2635

3944

5472

104

146

188

21522

719

715

011

693

7768

5953

4843

3935

3130

2927

2522

15.2

013

1622

3033

3742

5065

9112

816

820

021

818

314

211

089

7563

5649

4440

3632

3029

2726

2215

.30

1216

2128

3135

3946

5980

112

14918

321

419

115

111

894

7965

5750

4541

3632

3029

2726

2215

.40

1215

2027

3033

3743

5471

9813

216

620

719

716

112

610

083

6758

5145

4137

3330

2927

2622

15.5

011

1318

2426

2932

3641

4964

8711

717

820

418

615

212

096

7462

5347

4238

3431

2928

2623

15.7

510

1215

2123

2528

3135

4049

6383

136

180

190

171

14211

585

6957

4944

3935

3230

2826

2316

1.0

810

1216

1719

2123

2528

3135

4266

110

158

186

18015

711

686

6553

4642

3834

3128

2723

16

1.5

57

810

1112

1314

1517

1820

2227

3552

8312

415

917

414

710

269

5447

4238

3430

2824

172.

03

56

88

99

1011

1213

1415

1822

2736

5280

131

165

148

9968

5447

4238

3128

2518

2.5

23

45

66

77

89

910

1112

1417

2126

3563

107

157

141

9667

5446

4234

2926

193.

01

12

34

44

55

66

77

810

1113

1519

2642

8615

114

110

171

5547

3831

2720

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.75 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

01

414

3569

105

131

14314

612

410

489

7972

6864

6056

5349

4441

4040

3837

3323

.10

00

00

01

310

2755

8811

713

414

211

810

087

7771

6662

5854

5046

4240

4039

3733

23.2

00

00

00

02

720

4373

10212

313

712

310

590

8073

6662

5854

5046

4240

4039

3733

23.3

00

00

00

00

15

1534

6088

128

134

118

101

8878

6964

6055

5248

4341

4039

3734

24

.40

00

00

00

01

412

2749

7511

813

112

110

591

8071

6560

5652

4844

4140

3937

3424

.50

00

00

00

00

13

921

3987

122

128

116

101

8875

6862

5753

4945

4240

3938

3424

.75

00

00

00

00

01

410

2156

9511

812

111

098

8272

6458

5450

4642

4139

3834

251.

00

00

00

00

00

00

12

1239

7610

611

911

598

8269

6157

5349

4442

4038

3526

1.5

00

00

00

00

00

00

00

314

3767

9511

210

585

6961

5652

4844

4039

3627

2.0

00

00

00

00

00

00

00

01

415

3574

102

107

8469

6156

5248

4139

3728

2.5

00

00

00

00

00

00

00

00

01

523

5594

103

8268

6056

5244

4037

293.

00

00

00

00

00

00

00

00

00

00

315

5093

100

8168

6055

4741

3830

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.75 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

01

25

1017

2937

4245

4849

4949

4949

4949

4949

4949

4947

34.1

00

00

00

00

00

24

814

2635

4145

4749

4949

4949

4949

4949

4949

4947

35.2

00

00

00

00

00

13

711

2333

3944

4748

4949

4949

4949

4949

4949

4947

35.3

00

00

00

00

00

12

59

2030

3843

4648

4949

4949

4949

4949

4949

4947

35

.40

00

00

00

00

01

24

817

2836

4145

4749

4949

4949

4949

4949

4949

4735

.50

00

00

00

00

00

13

615

2534

4044

4748

4949

4949

4949

4949

4949

4735

.75

o0

00

00

00

00

11

39

1827

3540

4447

4849

4949

4949

4949

4949

4736

1.0

00

00

00

00

00

00

14

1018

2735

4045

4849

4949

4949

4949

4949

4837

1.5

00

00

00

00

00

00

00

26

1321

2938

4448

4949

4949

4949

4949

4838

2.0

00

00

00

00

00

00

00

01

49

1526

3644

4849

4949

4949

4949

4839

2.5

00

00

00

00

00

00

00

00

01

411

2134

4448

4848

4848

4848

4840

3.0

00

00

00

00

00

00

00

00

00

02

819

3544

4848

4848

4848

4842

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 0.75 HR * * *

SHEE

T 6

OF 1

0

Chapter 5




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)-------------

-----------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.0 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

014

1925

3438

4658

7910

613

616

518

620

218

515

312

210

185

7463

5650

4440

3532

3029

2726

2215

.10

1318

2432

3642

5370

9412

215

117

419

418

816

013

010

689

7765

5750

4440

3632

3029

2726

2215

.20

1215

2128

3134

4049

6383

109

13716

219

018

015

212

410

286

7061

5346

4137

3331

2927

2622

15.3

012

1520

2629

3337

4557

7598

12414

918

718

315

913

110

790

7362

5347

4237

3331

2928

2623

15

.40

1013

1723

2528

3135

4252

6788

11216

018

317

615

112

510

381

6756

4843

3935

3130

2826

2315

.50

1013

1622

2427

3033

3948

6179

10114

818

118

115

713

110

884

6958

4943

3935

3230

2826

2316

.75

911

1419

2123

2629

3338

4759

7511

515

317

216

714

812

596

7762

5145

4036

3330

2827

2316

1.0

89

1115

1617

1921

2326

2933

4061

9513

416

216

915

712

697

7257

4943

3935

3229

2724

16

1.5

56

810

1011

1213

1416

1719

2125

3348

7410

713

816

014

811

176

5950

4439

3530

2825

172.

03

46

78

89

910

1112

1314

1720

2533

4871

115

153

153

108

7558

4943

3932

2925

182.

52

34

55

66

77

89

910

1214

1620

2533

5694

139

147

104

7458

4943

3430

2619

3.0

11

23

34

44

55

66

78

910

1214

1724

3876

131

143

108

7860

5039

3227

20--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.0 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

01

27

1734

5579

9911

412

811

410

089

8074

6863

5954

5146

4341

4039

3733

23.1

00

00

00

02

513

2746

6889

116

124

110

9887

7971

6560

5652

4843

4140

3937

3424

.20

00

00

00

14

1021

3758

7810

912

111

310

190

8172

6661

5652

4844

4140

3937

3424

.30

00

00

00

01

38

1731

4987

113

118

109

9887

7669

6357

5349

4542

4039

3834

24

.40

00

00

00

01

26

1325

4178

107

117

111

101

9078

7063

5854

5045

4241

3938

3425

.50

00

00

00

00

25

1020

3469

100

115

113

103

9380

7164

5854

5046

4241

3938

3425

.75

00

00

00

00

01

25

1031

6190

107

11010

490

7969

6156

5248

4441

4038

3525

1.0

00

00

00

00

00

01

312

3361

8910

510

999

8673

6458

5450

4542

4038

3526

1.5

00

00

00

00

00

00

01

413

3155

8010

410

488

7363

5853

4945

4139

3627

2.0

00

00

00

00

00

00

00

00

28

2051

8210

090

7464

5854

5042

4037

282.

50

00

00

00

00

00

00

00

00

13

1337

7698

8873

6458

5345

4138

303,

00

00

00

00

00

00

00

00

00

00

29

3477

9586

7363

5849

4238

31--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.0 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

13

59

1828

3540

4447

4848

4848

4848

4848

4848

4847

35.1

00

00

00

00

00

12

47

1625

3339

4346

4848

4848

4848

4848

4848

4847

35.2

00

00

00

00

00

12

36

1423

3138

4245

4748

4848

4848

4848

4848

4847

36.3

00

00

00

00

00

01

35

1221

2936

4144

4748

4848

4848

4848

4848

4847

36

.40

00

00

00

00

00

12

410

1927

3440

4447

4848

4848

4848

4848

4848

4736

.50

00

00

00

00

00

12

38

1625

3338

4346

4848

4848

4&48

4848

4848

4736

.75

00

00

00

00

00

12

38

1523

3036

4145

4748

4848

4848

4848

4848

4736

1.0

00

00

00

00

00

00

02

511

1927

3341

4547

4848

4848

4848

4848

4837

1.5

00

00

00

00

00

00

00

12

511

1728

3744

4748

4848

4848

4848

4839

2.0

00

00

00

00

00

00

00

00

13

716

2638

4547

4848

4848

4848

4840

2.5

00

00

00

00

00

00

00

00

00

15

1224

3845

4747

4747

4747

4741

3.0

00

00

00

00

00

00

00

00

00

01

514

2940

4647

4747

4747

4742

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 1.0 HR * * *

SHEE

T 7

OF 1

0




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)------------

------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.25 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

012

1622

2933

3847

6180

103

127

14916

418

016

313

811

598

8571

6253

4741

3733

3129

2726

2215

.10

1114

1925

2831

3644

5572

9211

613

816

717

515

613

211

195

7766

5648

4338

3431

3028

2623

15.2

011

1418

2427

3034

4050

6583

10512

716

017

216

013

811

699

8068

5749

4339

3431

3028

2623

15.3

010

1216

2123

2528

3238

4658

7595

136

164

169

154

13211

289

7461

5145

4036

3230

2826

2316

.40

912

1520

2224

2730

3542

5368

8612

615

716

715

713

711

792

7662

5246

4036

3330

2826

2316

.50

911

1317

1921

2326

2933

3949

6197

134

160

165

15213

210

484

6755

4742

3733

3128

2723

16.7

57

911

1415

1718

2022

2528

3238

5990

124

150

15915

212

610

177

6051

4540

3532

2927

2417

1.0

68

1012

1314

1517

1920

2325

2940

6091

123

14815

714

411

888

6654

4741

3733

2927

2417

1.5

46

79

910

1112

1314

1516

1822

2840

5985

11414

515

012

186

6554

4641

3731

2825

132.

02

35

66

77

89

910

1111

1316

1924

3347

8011

914

412

490

6855

4742

3329

2619

2.5

12

34

45

56

67

78

810

1113

1619

2438

6511

114

012

088

6754

4737

3127

203.

01

12

23

33

44

55

56

78

911

1315

2132

6211

413

611

686

6654

4133

2720

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.25 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

14

1021

3553

7186

106

115

104

9486

7972

6661

5652

4844

4140

3937

3424

.10

00

00

00

13

816

2945

6292

107

113

101

9284

7569

6358

5349

4542

4139

3834

24.2

00

00

00

01

26

1323

3754

8410

411

010

494

8677

7064

5854

4945

4241

3938

3424

.30

00

00

00

00

24

1019

3162

9010

610

910

192

8173

6660

5551

4643

4139

3834

25

.40

00

00

00

00

13

815

2655

8310

210

710

394

8374

6760

5651

4743

4139

3835

25.5

00

00

00

00

00

13

612

3362

3810

310

610

088

7869

6257

5348

4442

4038

3525

.75

00

00

00

00

00

01

312

3156

8097

103

9787

7565

5955

5046

4340

3935

261.

00

00

00

00

00

00

01

413

3256

7995

101

9480

6961

5652

4844

4039

3627

1.5

00

00

00

00

00

00

00

14

1330

5181

9894

7968

6156

5247

4239

3628

2.0

00

00

00

00

00

00

00

00

15

1337

6695

9578

6861

5651

4440

3729

2.5

00

00

00

00

00

00

00

00

00

29

2661

9389

7767

6055

4741

3830

3.0

00

00

00

00

00

00

00

00

00

01

624

6491

8776

6660

5043

3931

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.50

* * * TC = 1.25 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

12

36

1321

2935

4043

4747

4747

4747

4747

4747

4747

36.1

00

00

00

00

00

01

35

1119

2734

3942

4747

4747

4747

4747

4747

4747

36.2

00

00

00

00

00

01

24

917

2532

3741

4647

4747

4747

4747

4747

4747

36.3

00

00

00

00

00

01

23

815

2330

3640

4547

4747

4747

4747

4747

4747

36

.40

00

00

00

00

00

01

27

1321

2835

3945

4747

4747

4747

4747

4747

4737

.50

00

00

00

00

00

01

26

1219

2733

3844

4647

4747

4747

4747

4747

4737

.75

00

00

00

00

00

00

13

814

2128

3441

4547

4747

4747

4747

4747

4737

1.0

00

00

00

00

00

00

01

25

1117

2434

4146

4747

4747

4747

4747

4738

1.5

00

00

00

00

00

00

00

01

25

1019

2939

4547

4747

4747

4747

4740

2.0

00

00

00

00

00

00

00

00

01

39

1830

4146

4747

4747

4747

4741

2.5

00

00

00

00

00

00

00

00

00

02

717

3141

4647

4747

4747

4742

3.0

00

00

00

00

00

00

00

00

00

00

16

1832

4246

4747

4747

4743

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 1.25 HR * * *

SHEE

T 8

OF 1

0

Chapter 5




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)-------------

-----------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.5 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

011

1419

2528

3239

4860

7694

11212

915

116

314

713

011

297

8169

5950

4439

3532

3028

2623

15.1

010

1216

2224

2730

3644

5569

8610

313

515

215

914

312

510

888

7562

5246

4136

3230

2826

2316

.20

911

1419

2123

2529

3441

5063

7811

214

015

515

213

812

198

8167

5543

4237

3331

2827

2316

.30

911

1418

2022

2427

3138

4657

7110

413

315

115

414

112

510

184

6856

4843

3834

3129

2723

16

.40

810

1317

1921

2326

3035

4252

6596

126

147

152

14412

910

587

7057

4943

3834

3129

2723

16.5

08

912

1517

1820

2225

2833

3948

7310

413

114

815

114

011

795

7560

5145

4035

3229

2724

17.7

57

811

1315

1618

1921

2427

3238

5682

ll0

133

14614

412

710

683

6554

4741

3633

2927

2417

1.0

57

911

1112

1315

1618

1922

2432

4769

9612

213

914

512

799

7460

5144

3935

3028

2417

1.5

45

68

89

1010

1112

1314

1619

2432

4666

9012

413

912

897

7359

5044

3932

2925

182.

02

34

55

66

77

89

910

1214

1721

2738

6396

135

129

100

7661

5144

3530

2619

2.5

12

23

44

45

56

67

78

1011

1416

2031

5191

132

124

9875

6051

3932

2720

3.0

01

12

22

23

33

44

56

78

910

1216

2342

8612

312

810

177

6245

3528

21--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.5 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

13

713

2133

4660

8397

106

9790

8476

7064

5954

5045

4341

3938

3425

.10

00

00

00

12

510

1828

4066

8698

103

9588

8073

6660

5551

4743

4139

3835

25.2

00

00

00

00

14

814

2334

608l

9510

197

9081

7467

6156

5247

4441

4038

3525

.30

00

00

00

00

13

612

1941

6585

9810

095

8577

6962

5753

4844

4240

3835

25

.40

00

00

00

00

12

59

1636

5980

9499

9687

7970

6358

5349

4542

4038

3526

.50

00

00

00

00

12

48

1331

5475

9198

9788

8071

6458

5449

4542

4038

3526

.75

00

00

00

00

00

12

413

2849

6985

9595

8776

6761

5651

4744

4039

3626

1.0

00

00

00

00

00

00

15

1329

4969

8495

9281

7163

5853

4945

4139

3627

1.5

00

00

00

00

00

00

00

13

920

3563

8492

8372

6458

5449

4340

3728

2.0

00

00

00

00

00

00

00

00

13

925

5079

9081

7163

5853

4541

3829

2.s

00

00

00

00

00

00

00

00

00

16

1846

7988

8070

6357

4942

3831

3.0

00

00

00

00

00

00

00

00

00

01

417

5079

8779

7062

5245

3932

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.5 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

01

23

815

2229

3439

4446

4646

4646

4646

4646

4646

37.1

00

00

00

00

00

00

12

510

1724

3035

4146

4646

4646

4646

4646

4646

37.2

00

00

00

00

00

00

11

49

1522

2834

4045

4646

4646

4646

4646

4646

37.3

00

00

00

00

00

00

01

37

1320

2733

3944

4646

4646

4646

4646

4646

38

.40

00

00

00

00

00

00

13

612

1825

3138

4446

4646

4646

4646

4646

4638

.50

00

00

00

00

00

00

12

510

1723

3037

4346

4646

4646

4646

4646

4638

.75

00

00

00

00

00

00

01

37

1219

2533

4045

4646

4646

4646

4646

4638

1.0

00

00

00

00

00

00

00

12

510

1525

3342

4646

4646

4646

4646

4639

1.5

00

00

00

00

00

00

00

00

13

714

2334

4346

4646

4646

4646

4640

2.0

00

00

00

00

00

00

00

00

00

15

1122

3543

4646

4646

4646

4642

2.0

00

00

00

00

00

00

00

00

00

01

310

2336

4346

4646

4646

4643

3.0

0n

00

00

00

00

00

00

00

00

00

14

1427

3844

4646

4646

4644

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= I

* * * TC = 1.5 HR * * *

SHEE

T 9

OF

10




Ex

hib

it 5

-I:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

9.3

9.9

10.1

10.3

10.5

10.7

11.0

11.4

11.8

12.3

13.0

14.0

15.0

16.0

18.0

24.0

(hr)

9.0

9.6

10.0

10.2

10.4

10.6

10.8

11.2

11.6

12.0

12.6

13.5

14.5

15.5

17.0

20.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 2.0 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

09

1114

1921

2428

3340

4959

7082

106

123

138

138

12511

597

8370

5950

4439

3532

2927

2316

.10

810

1317

1820

2326

3137

4554

6589

110

125

135

13012

310

690

7562

5346

4036

3329

2724

16.2

08

1012

1617

1922

2529

3441

5060

8310

512

113

213

112

510

992

7763

5346

4136

3329

2724

17.3

07

911

1415

1718

2123

2732

3846

6689

109

123

13112

911

710

082

6656

4842

3834

3028

2417

.40

78

1013

1516

1820

2225

3035

4361

8310

412

013

113

111

910

384

6857

4943

3834

3028

2417

.50

68

1013

1415

1719

2124

2833

3956

7899

116

12713

012

110

686

6958

5044

3935

3028

2417

.75

57

811

1213

1415

1618

2023

2738

5373

9311

112

312

711

898

7763

5447

4137

3128

2517

1.0

45

78

910

1112

1314

1517

1824

3245

6383

10212

212

611

389

7159

5144

3932

2925

18

1.5

34

56

77

88

910

1011

1215

1823

3244

6088

111

123

110

8770

5850

4435

3026

192.

01

23

45

55

66

77

89

1012

1418

2331

4974

106

121

107

8669

5849

3832

2720

2.5

11

22

33

34

44

55

67

89

1113

1622

3562

101

118

108

8871

5944

3528

213.

00

01

11

22

23

33

34

55

68

910

1419

3467

103

116

105

8670

5039

2921

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.30

* * * TC = 2.0 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+

0.0

00

00

00

13

610

1623

3149

6577

8492

8680

7569

6358

5349

4543

4038

3526

.10

00

00

00

01

25

913

1935

5368

7985

9083

7771

6459

5550

4643

4039

3526

.20

00

00

00

00

12

47

1124

4057

7181

8989

8073

6661

5651

4744

4139

3526

.30

00

00

00

00

11

36

920

3653

6878

8488

8174

6761

5652

4844

4139

3626

.40

00

00

00

00

00

12

512

2440

5770

8087

8476

6963

5853

4945

4139

3627

.50

00

00

00

00

00

12

410

2136

5367

7787

8577

6963

5854

4946

4139

3627

,75

00

00

00

00

00

01

26

1426

4156

6982

8580

7265

6055

5147

4240

3627

1.0

00

00

00

00

00

00

01

410

2034

4968

8185

7769

6358

5349

4340

3728

1.5

00

00

00

00

00

00

00

01

410

1938

5878

8376

6862

5753

4541

3729

2.0

00

00

00

00

00

00

00

00

02

413

2955

7782

7568

6257

4843

3830

2.5

00

00

00

00

00

00

00

00

00

02

622

5175

8175

6862

5345

3932

3.0

00

00

00

00

00

00

00

00

00

00

16

2554

7580

7568

5748

4333

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 2.0 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

12

48

1318

2429

3641

4646

4646

4646

4646

4646

38.1

00

00

00

00

00

00

11

37

1217

2228

3540

4546

4646

4646

4646

4646

38.2

00

00

00

00

00

00

01

24

813

1824

3138

4446

4646

4646

4646

4646

39.3

00

00

00

00

00

00

00

14

712

1722

3037

4345

4646

4646

4646

4646

39

.40

00

00

00

00

00

00

01

36

1116

2129

3642

4546

4646

4646

4646

4639

.50

00

00

00

00

00

00

01

35

914

2028

3542

4545

4545

4545

4545

4539

.75

00

00

00

00

00

00

01

25

913

1826

3341

4545

4545

4545

4545

4539

1.0

00

00

00

00

00

00

00

01

35

916

2433

4245

4545

4545

4545

4540

1.5

00

00

00

00

00

00

00

00

12

48

1525

3643

4545

4545

4545

4542

2.0

00

00

00

00

00

00

00

00

00

12

614

2637

4345

4545

4545

4543

2.5

00

00

00

00

00

00

00

00

00

00

26

1527

3743

4545

4545

4544

3.0

00

00

00

00

00

00

00

00

00

00

02

319

3039

4445

4545

4545

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+RA

INFA

LL T

YPE

= I

* * * TC = 2.0 HR * * *

SHEE

T 10

OF

10

Chapter 5




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.1 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

028

3650

14315

416

314

010

387

7668

6765

6154

4945

4444

4140

3936

3332

3231

3030

2926

21.1

027

3243

10413

014

615

714

511

797

8373

6965

5953

4845

4542

4039

3734

3332

3231

3029

2722

.20

2629

3759

8911

613

615

014

712

710

791

7968

6357

5247

4544

4139

3735

3332

3231

3029

2722

.30

2528

3553

7710

312

514

214

513

311

699

8671

6559

5348

4644

4139

3835

3332

3231

3029

2722

.40

2426

3141

4968

9111

413

214

113

612

210

782

7063

5752

4845

4340

3836

3332

3231

3029

2722

.50

2426

3039

4660

8110

312

313

513

512

711

488

7365

5953

4945

4340

3936

3333

3231

3029

2722

.75

2024

2732

3539

4760

7694

111

12212

511

494

7968

6155

4845

4239

3735

3332

3230

3027

221.

016

2024

2728

3032

3641

4962

7794

118

122

104

8674

6555

4944

4139

3634

3332

3130

2823

1.5

1215

1822

2324

2527

2830

3236

4261

8610

711

210

491

7360

5044

4138

3634

3331

3028

232.

07

1012

1516

1819

2021

2224

2526

3036

5069

9010

610

387

6752

4541

3936

3432

3129

242.

54

68

1112

1314

1516

1718

1921

2326

3036

4966

91l0

189

6651

4441

3836

3331

2925

3.0

23

57

89

1011

1112

1314

1618

2023

2529

3655

7998

8665

5144

4138

3432

3025

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.1 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

01

4565

8978

6459

5454

5351

5048

4544

4343

4342

4241

4040

4040

4039

3938

33.1

00

00

1836

5578

7869

6257

5553

5150

4744

4443

4342

4241

4040

4040

4039

3938

34.2

00

00

1329

4667

7471

6560

5654

5250

4845

4443

4343

4241

4140

4040

4039

3938

34.3

00

00

1022

3858

6970

6762

5856

5251

4846

4444

4343

4241

4140

4040

4039

3938

34

,40

00

02

717

3149

6267

6764

6055

5250

4845

4443

4342

4241

4040

4040

3939

3834

,50

00

01

513

2541

5563

6664

6156

5351

4846

4443

4342

4241

4040

4040

3939

3834

.75

00

00

02

613

2436

4755

6161

5754

5149

4744

4343

4241

4140

4040

4039

3834

1.0

00

00

01

38

1525

3646

5360

5955

5350

4845

4443

4242

4140

4040

4039

3835

1.5

00

00

00

00

12

59

1531

4755

5756

5350

4644

4342

4141

4040

4039

3935

2.0

00

00

00

00

00

00

15

1528

4251

5554

5147

4443

4241

4140

4039

3936

2.5

00

00

00

00

00

00

00

26

1426

3850

5452

4744

4342

4140

4040

3936

3.0

00

00

00

00

00

00

00

00

26

1329

4353

5147

4443

4241

4040

3937

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.50

* * * TC = 0.1 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0,

00

00

00

00

00

00

00

27

1214

1821

2326

3032

3337

3841

4246

4853

49.1

00

00

00

00

00

00

00

04

912

1519

2225

2932

3235

3941

4245

4853

49.2

00

00

00

00

00

00

00

03

711

1418

2224

2832

3235

3941

4245

4853

49.3

00

00

00

00

00

00

00

00

48

1215

2023

2731

3134

3940

4145

4853

49

.40

00

00

00

00

00

00

00

01

59

1318

2225

3031

3337

3941

4447

5349

.50

00

00

00

00

00

00

00

00

26

10tS

2024

2931

3236

3941

4447

5353

.75

00

00

00

00

00

00

00

00

02

611

1621

2630

3134

3840

4346

5353

1.0

00

00

00

00

00

00

00

00

00

16

1117

2328

3132

3539

4245

5353

1.5

00

00

00

00

00

00

00

00

00

00

28

1723

2831

3235

4043

4952

2.0

00

00

00

00

00

00

00

00

00

00

02

917

2328

3132

3842

4852

2.5

00

00

00

00

00

00

00

00

00

00

00

310

1824

2831

3640

4752

3.0

00

00

00

00

00

00

00

00

00

00

00

04

1118

2428

3339

4552

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 0.1 HR * * *

SHEE

T 1

OF

10




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)

------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.2 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

027

3446

12414

315

315

312

710

387

7668

6763

5751

4745

4442

4039

3633

3332

3231

3029

2721

.10

2733

4410

813

114

615

113

511

396

8373

6965

5953

4845

4542

4039

3733

3332

3231

3029

2722

.20

2629

3867

9511

913

714

613

912

210

590

7969

6357

5247

4544

4139

3734

3332

3231

3029

2722

.30

2527

3345

6083

107

127

140

139

128

112

9776

6862

5650

4745

4240

3835

3333

3231

3029

2722

.40

2427

3243

5473

9611

713

213

713

111

810

481

7063

5752

4845

4340

3836

3333

3232

3029

2722

.50

2325

2937

4150

6586

106

124

132

13112

398

7969

6256

5146

4441

3937

3433

3232

3029

2722

.75

2024

2733

3641

5063

8097

112

12112

311

193

7868

6155

4845

4239

3734

3332

3230

3027

221.

016

2024

2729

3133

3743

5265

8196

120

120

102

8573

6455

4944

4139

3634

3332

3130

2823

1.5

1215

1922

2324

2627

2830

3337

4463

8810

711

110

289

7260

5044

4138

3634

3332

3028

232.

07

1012

1617

1819

2022

2324

2527

3038

5271

9110

510

186

6652

4541

3936

3432

3129

242.

54

69

1112

1314

1516

1719

2021

2326

3038

5068

9210

188

6551

4441

3836

3331

2925

3.0

23

57

78

910

1112

1314

1517

1922

2428

3349

7297

8968

5345

4139

3432

3025

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.30

* * * TC = 0.2 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

2645

6476

7465

5955

5352

5149

4644

4443

4342

4241

4040

4040

4039

3938

33.1

00

00

2037

5569

7267

6257

5453

5250

4744

4443

4342

4241

4040

4040

4039

3938

34.2

00

00

515

3047

6168

6864

5956

5352

4946

4444

4343

4242

4140

4040

4039

3938

34.3

00

00

411

2339

5464

6665

6158

5452

5047

4544

4343

4242

4140

4040

4039

3938

34

.40

00

03

818

3247

5864

6462

5955

5250

4845

4443

4342

4241

4040

4040

4039

3834

.50

00

00

26

1426

4052

6063

6258

5452

5047

4544

4342

4241

4040

4040

4039

3834

.75

00

00

13

714

2435

4553

5759

5654

5149

4744

4343

4241

4140

4040

4039

3834

1.0

00

00

00

14

815

2535

4456

5856

5451

4946

4443

4242

4140

4040

4039

3935

1.5

00

00

00

00

01

25

923

3850

5556

5451

4744

4342

4241

4040

4039

3935

2.0

00

00

00

00

00

01

16

1527

4049

5454

5147

4443

4241

4140

4040

3936

2.5

00

00

00

00

00

00

00

26

1425

3649

5351

4744

4342

4141

4040

3936

3.0

00

00

00

00

00

00

00

01

26

1328

4252

5147

4443

4241

4040

3937

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.50

* * * TC = 0.2 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

05

1013

1619

2325

2932

3336

3941

4246

4850

49.1

00

00

00

00

00

00

00

02

610

1417

2124

2831

3235

4041

4245

4850

49.2

00

00

00

00

00

00

00

00

37

1115

1923

2631

3134

3940

4145

4850

49.3

00

00

00

00

00

00

00

00

14

812

1721

2530

3133

3739

4144

4750

50

.40

00

00

00

00

00

00

00

00

25

915

1923

2831

3235

3941

4447

5050

.50

00

00

00

00

00

00

00

00

03

612

1722

2731

3234

3940

4346

5050

.75

00

00

00

00

00

00

00

00

01

49

1420

2530

3133

3739

4246

5050

1.0

00

00

00

00

00

00

00

00

00

14

916

2227

3132

3538

4245

4950

1.5

00

00

00

00

00

00

00

00

00

00

38

1723

2831

3235

4043

4950

2.0

00

00

00

00

00

00

00

00

00

00

02

917

2328

3132

3842

4850

2.5

00

00

00

00

00

00

00

00

00

00

00

29

1622

2730

3540

4650

3.0

00

00

00

00

00

00

00

00

00

00

00

03

917

2327

3338

4550

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 0.2 HR * * *

SHEE

T 2

OF 1

0

Chapter 5




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

+--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.3 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

026

3141

9212

013

814

514

412

510

590

7871

6660

5449

4645

4340

3937

3433

3232

3130

2927

22.1

026

3039

8010

612

813

914

213

111

398

8576

6862

5651

4745

4341

3937

3433

3232

3130

2927

22.2

025

2834

5170

9411

713

113

913

312

010

592

7467

6054

4946

4442

4038

3533

3332

3130

2927

22.3

024

2631

4047

6284

106

123

133

133

12411

287

7365

5953

4945

4340

3936

3333

3232

3029

2722

.40

2326

3038

4456

7595

114

127

131

12711

793

7667

6055

5046

4340

3936

3433

3232

3029

2722

.50

2125

2834

3742

5167

8610

411

912

712

711

088

7466

5953

4745

4139

3734

3332

3230

3027

22.7

519

2326

3133

3642

5164

8096

10911

911

610

285

7365

5850

4643

4038

3533

3332

3130

2823

1.0

1519

2326

2729

3133

3744

5366

8010

611

610

993

7969

5851

4541

3937

3433

3231

3028

23

1.5

1114

1721

2223

2426

2729

3134

3853

7597

109

106

9678

6452

4541

3936

3433

3230

2824

2.0

69

1114

1617

1819

2021

2324

2528

3444

6181

9710

391

7154

4642

3937

3432

3129

242.

54

58

1011

1213

1415

1617

1920

2225

2834

4458

8459

9270

5446

4139

3633

3229

253.

02

35

77

89

1011

1213

1415

1719

2224

2833

4971

9689

6853

4541

3934

3230

25--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.3 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

1328

4563

6969

6560

5553

5351

4845

4443

4342

4242

4040

4040

4039

3938

34.1

00

00

921

3754

6467

6562

5754

5351

4946

4443

4342

4242

4140

4040

4040

3938

34.2

00

00

717

3046

5864

6563

5956

5352

4946

4444

4342

4242

4140

4040

4040

3938

34.3

00

00

15

1325

3952

6063

6360

5553

5149

4644

4343

4242

4140

4040

4040

3938

34

.40

00

01

410

2033

4555

6162

6156

5452

4946

4543

4342

4241

4040

4040

4039

3834

.50

00

01

37

1527

3950

5760

6157

5452

5047

4544

4342

4241

4040

4040

4039

3834

.75

00

00

13

815

2434

4351

5558

5654

5249

4744

4343

4241

4140

4040

4039

3834

1.0

00

00

00

02

49

1625

3449

5657

5553

5047

4443

4242

4140

4040

4039

3935

1.5

00

00

00

00

01

35

1023

3749

5455

5451

4744

4342

4241

4040

4039

3935

2.0

00

00

00

00

00

00

13

1021

3344

5154

5248

4443

4241

4140

4040

3936

2.5

00

00

00

00

00

00

00

14

1019

3045

5353

4844

4342

4141

4040

3937

3.0

00

00

00

00

00

00

00

00

14

923

3750

5247

4443

4241

4040

3937

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.3 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

03

711

1418

2224

2832

3235

4041

4245

4848

48.1

00

00

00

00

00

00

00

01

48

1215

2023

2731

3134

3940

4145

4848

48.2

00

00

00

00

00

00

00

00

15

913

1821

2530

3133

3739

4144

4748

48.3

00

00

00

00

00

00

00

00

14

812

1721

2530

3133

3739

4144

4748

48

.40

00

00

00

00

00

00

00

00

25

914

1923

2831

3235

3941

4447

4848

,50

00

00

00

00

00

00

00

00

01

410

1521

2630

3133

3840

4346

4848

.75

00

00

00

00

00

00

00

00

01

37

1319

2429

3133

3639

4246

4848

1.0

00

00

00

00

00

00

00

00

00

14

916

2227

3132

3538

4245

4848

1.5

00

00

00

00

00

00

00

00

00

00

38

1623

2731

3235

4043

4848

2.0

00

00

00

00

00

00

00

00

00

00

02

816

2227

3032

3842

4748

2.5

00

00

00

00

00

00

00

00

00

00

00

29

1622

2730

3540

4648

3.0

00

00

00

00

00

00

00

00

00

00

00

03

917

2327

3338

4548

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 0.3 HR * * *

SHEE

T 3

OF 1

0




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

+----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.4 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

026

2937

6793

117

134

137

136

121

105

9181

7064

5852

4846

4441

4037

3433

3332

3130

2927

22.1

025

2936

6082

l05

124

133

135

126

112

9887

7366

5953

4946

4441

4038

3433

3332

3130

2927

22.2

024

2732

4355

7394

114

127

132

128

11710

483

7164

5852

4845

4340

3835

3333

3232

3029

2722

.30

2426

3141

5065

8510

411

912

812

812

111

088

7466

5954

4946

4340

3935

3433

3232

3029

2722

.40

2225

2835

3946

5976

9511

112

212

612

210

485

7264

5852

4744

4139

3734

3332

3230

2927

22.5

020

2326

3134

3743

5469

8610

311

612

311

798

8271

6356

4946

4240

3834

3333

3230

3027

22.7

516

2024

2729

3133

3743

5365

8094

116

116

101

8674

6556

4944

4139

3634

3332

3130

2823

1.0

1418

2225

2627

2931

3438

4554

6793

111

113

101

8775

6253

4742

4037

3433

3331

3028

23

1.5

1013

1620

2122

2324

2627

2931

3445

6486

102

10710

184

6955

4642

3937

3433

3230

2824

2.0

68

1113

1416

1718

1920

2123

2427

3139

5271

8810

296

7657

4742

4037

3533

3129

242.

53

57

910

1112

1314

1516

1718

2123

2631

3851

7594

9874

5747

4239

3733

3230

253.

01

24

67

78

910

1112

1314

1618

2023

2630

4364

8995

7256

4742

3934

3330

25--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.4 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

615

2946

6065

6563

5956

5352

4947

4444

4342

4242

4140

4040

4040

3938

34.1

00

00

412

2338

5361

6363

6057

5453

5047

4544

4342

4242

4140

4040

4040

3938

34.2

00

00

39

1932

4656

6162

6159

5553

5148

4544

4343

4242

4140

4040

4040

3938

34.3

00

00

27

1526

3950

5761

6159

5653

5149

4644

4443

4242

4140

4040

4040

3938

34

.40

00

00

25

1121

3344

5358

6058

5553

5148

4544

4342

4241

4040

4040

4039

3834

.50

00

00

14

917

2839

4855

5959

5653

5149

4644

4342

4241

4040

4040

4039

3834

.75

00

00

02

49

1625

3443

4957

5755

5350

4845

4443

4241

4140

4040

4039

3935

1.0

00

00

00

12

510

1725

3448

5556

5553

5047

4543

4242

4140

4040

4039

3935

1.5

00

00

00

00

00

13

616

3043

5155

5552

4945

4342

4241

4040

4040

3936

2.0

30

00

00

00

00

00

02

615

2739

4753

5349

4543

4242

4140

4040

3936

2.5

00

00

00

00

00

00

00

12

714

2540

5052

4945

4342

4141

4040

3937

3.0

00

00

00

00

00

00

00

00

13

718

3247

5248

4543

4241

4040

3937

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.50

* * * TC = 0.4 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+

0.0

00

00

00

00

00

00

00

15

913

1620

2327

3132

3439

4042

4547

4747

.10

00

00

00

00

00

00

00

02

610

1318

2226

3031

3338

3941

4547

4747

.20

00

00

00

00

00

00

00

01

37

1116

2024

2931

3336

3941

4447

4747

.30

00

00

00

00

00

00

00

00

14

813

1823

2831

3235

3941

4347

4747

.40

00

00

00

00

00

00

00

00

02

511

1621

2630

3234

3840

4346

4747

.50

00

00

00

00

00

00

00

00

01

38

1319

2529

3133

3739

4246

4747

.75

00

00

00

00

00

00

00

00

00

26

1117

2328

3132

3539

4245

4747

1.0

00

00

00

00

00

00

00

00

00

02

612

2025

2931

3337

4144

4747

1.5

00

00

00

00

00

00

00

00

00

00

15

1320

2630

3134

4043

4747

2.0

00

00

00

00

00

00

00

00

00

00

01

614

2126

3032

3741

4747

2.5

00

00

00

00

00

00

00

00

00

00

00

27

1521

2630

3440

4647

3.0

00

00

00

00

00

00

00

00

00

00

00

02

815

2227

3238

4547

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 0.4 HR * * *

SHEE

T 4

OF 1

0

Chapter 5




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+---

IA/P

= 0

.10

* * * TC = 0.5 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

025

2834

5372

9411

512

913

012

911

710

492

7668

6155

5047

4442

4038

3433

3332

3130

2927

22.1

024

2733

4964

8410

512

112

712

812

110

998

8070

6357

5148

4542

4038

3433

3332

3230

2927

22.2

023

2630

3946

5875

9511

212

212

612

311

493

7869

6155

5046

4441

3936

3433

3232

3029

2722

.30

2124

2734

3743

5368

8610

311

612

312

310

889

7667

6054

4845

4239

3734

3333

3230

3027

22

.40

2024

2732

3540

4961

7895

109

11812

111

193

7969

6255

4945

4240

3734

3333

3230

3027

22.5

018

2225

2931

3438

4556

7087

10111

311

810

689

7767

6052

4743

4038

3533

3332

3130

2823

.75

1519

2326

2729

3134

3845

5467

8010

411

210

693

8070

5951

4641

3936

3433

3331

3028

231.

013

1620

2425

2627

2931

3439

4656

8010

211

010

593

8166

5648

4340

3835

3333

3130

2823

1.5

912

1518

2021

2223

2426

2729

3139

5575

9410

410

389

7458

4843

4037

3533

3231

2924

2.0

57

1012

1314

1517

1819

2021

2325

2935

4562

7910

010

081

6149

4340

3835

3331

2925

2.5

34

68

910

1112

1314

1516

1720

2225

2834

4567

8896

7960

4943

4037

3332

3025

3.0

12

35

67

78

910

1112

1315

1719

2124

2838

5683

9377

5948

4340

3533

3026

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.5 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

28

1831

4657

6161

6158

5453

5148

4544

4443

4242

4140

4040

4040

3938

34.1

00

00

26

1425

3951

5860

6159

5553

5149

4644

4443

4242

4140

4040

4040

3938

34.2

00

00

01

411

2133

4554

5860

5855

5351

4846

4443

4242

4140

4040

4040

3938

34.3

00

00

01

38

1627

3949

5559

5955

5351

4946

4443

4242

4140

4040

4040

3939

34

.40

00

00

12

613

2334

4451

5658

5654

5249

4744

4342

4241

4040

4040

4039

3934

.50

00

00

00

25

1018

2939

4756

5755

5351

4945

4443

4241

4140

4040

4039

3935

.75

00

00

00

12

510

1725

3448

5456

5553

5047

4543

4242

4140

4040

4039

3935

1.0

00

00

00

00

01

36

1126

4151

5555

5450

4744

4342

4141

4040

4040

3935

1.5

00

00

00

00

00

00

14

1123

3647

5254

5248

4443

4241

4040

4040

3936

2.0

00

00

00

00

00

00

00

27

1627

3849

5351

4744

4242

4140

4040

3936

2.5

00

00

00

00

00

00

00

01

37

1530

4352

5046

4442

4241

4040

3937

3.0

00

00

00

00

00

00

00

00

01

310

2340

5150

4644

4242

4040

3937

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.5 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

01

37

1114

1922

2630

3134

3840

4145

4646

46.1

00

00

00

00

00

00

00

00

14

812

1721

2529

3133

3739

4144

4646

46.2

00

00

00

00

00

00

00

00

02

59

1419

2328

3132

3539

4143

4646

46.3

00

00

00

00

00

00

00

00

01

36

1217

2227

3132

3438

4043

4646

46

.40

00

00

00

00

00

00

00

00

02

511

1621

2630

3234

3840

4346

4646

.50

00

00

00

00

00

00

00

00

01

38

1319

2529

3133

3739

4246

4646

.75

00

00

00

00

00

00

00

00

00

26

1117

2328

3132

3539

4245

4646

1.0

00

00

00

00

00

00

00

00

00

01

411

1824

2931

3336

4144

4646

1.5

00

00

00

00

00

00

00

00

00

00

14

1119

2429

3133

3942

4646

2.0

00

00

00

00

00

00

00

00

00

00

01

512

1925

2931

3741

4646

2.5

00

00

00

00

00

00

00

00

00

00

00

16

1320

2529

3439

4546

3.0

00

00

00

00

00

00

00

00

00

00

00

02

714

2026

3237

4446

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 0.5 HR * * *

SHEE

T 5

OF 1

0




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

+--

-+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+------

+IA

/P =

0.1

0* * * TC = 0.75 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

022

2529

3845

5671

8710

311

411

711

711

195

8172

6558

5348

4541

3936

3333

3332

3029

2722

.10

2125

2836

4251

6479

9510

811

411

611

399

8574

6660

5448

4542

3937

3433

3332

3030

2722

.20

1923

2632

3539

4758

7287

101

11011

410

995

8272

6558

5147

4340

3834

3333

3231

3027

23.3

019

2226

3133

3744

5466

8094

10411

211

098

8575

6760

5247

4340

3834

3333

3231

3028

23

.40

1721

2428

3032

3641

4961

7487

9911

110

694

8273

6556

4945

4139

3533

3333

3130

2823

.50

1620

2327

2931

3439

4656

6881

9310

910

797

8575

6757

5045

4139

3633

3333

3130

2823

.75

1518

2225

2728

3134

3845

5464

7595

104

102

9383

7462

5447

4240

3734

3333

3130

2823

1.0

1215

1822

2324

2527

2931

3439

4665

8510

010

398

8874

6252

4541

3935

3333

3230

2823

1.5

710

1215

1718

1920

2122

2425

2631

3953

7187

9999

8568

5346

4139

3634

3331

2924

2.0

46

811

1213

1415

1617

1819

2123

2631

3951

6788

9586

6753

4541

3836

3332

2925

2.5

23

57

89

1011

1112

1314

1618

2023

2630

3856

7793

8466

5245

4138

3433

3025

3.0

01

24

45

66

78

89

1012

1416

1821

2430

4267

9084

6854

4642

3633

3026

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.75 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

02

410

1929

3948

5356

5654

5351

4946

4444

4242

4040

4040

4040

3939

34.1

00

00

01

38

1524

3443

5054

5654

5352

4947

4544

4242

4140

4040

4040

3939

34.2

00

00

00

12

612

2030

3946

5455

5453

5149

4644

4342

4140

4040

4040

3939

35.3

00

00

00

12

510

1725

3442

5255

5453

5149

4644

4342

4240

4040

4040

3939

35

.40

00

00

00

14

814

2130

3850

5555

5352

5047

4543

4242

4040

4040

4039

3935

.50

00

00

00

13

611

1826

3447

5354

5452

5047

4543

4242

4040

4040

4039

3935

.75

00

00

00

01

36

1016

2337

4752

5353

5249

4644

4242

4140

4040

4040

3935

1.0

00

00

00

00

01

24

717

3042

5053

5351

4945

4342

4140

4040

4040

3936

1.5

00

00

00

00

00

00

14

1121

3343

4952

5148

4543

4241

4040

4040

3936

2.0

00

00

00

00

00

00

00

14

1120

3043

5051

4845

4342

4140

4040

3937

2.5

00

00

00

00

00

00

00

00

25

1023

3648

5147

4443

4241

4040

3937

3.0

00

00

00

00

00

00

00

00

00

27

1734

4850

4744

4342

4040

3938

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.75 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

00

13

610

1519

2328

3132

3639

4144

4444

44.1

00

00

00

00

00

00

00

00

01

47

1217

2227

3032

3438

4043

4444

44.2

00

00

00

00

00

00

00

00

01

25

1015

2025

3031

3337

3943

4444

44.3

00

00

00

00

00

00

00

00

00

13

712

1824

2931

3336

3942

4444

44

.40

00

00

00

00

00

00

00

00

00

15

1016

2227

3032

3538

4244

4444

.50

00

00

00

00

00

00

00

00

00

13

714

2126

3031

3438

4144

4444

.75

00

00

00

00

00

00

00

00

00

02

511

1924

2931

3336

4144

4444

1.0

00

00

00

00

00

00

00

00

00

01

38

1622

2730

3235

4043

4444

1.5

00

00

00

00

00

00

00

00

00

00

03

916

2327

3032

3842

4444

2.0

00

00

00

00

00

00

00

00

00

00

00

310

1723

2830

3640

4444

2.5

00

00

00

00

00

00

00

00

00

00

00

14

1118

2328

3339

4444

3.0

00

00

00

00

00

00

00

00

00

00

00

01

410

1723

3036

4344

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 0.75 HR * * *

SHEE

T 6

OF 1

0

Chapter 5




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

+--

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.0 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

019

2326

3337

4352

6376

8897

10410

810

291

8172

6559

5248

4340

3834

3333

3231

3028

23.1

019

2226

3235

4148

5870

8292

10010

510

394

8375

6761

5348

4440

3835

3333

3231

3028

23.2

017

2124

2830

3438

4554

6576

8796

104

100

9181

7366

5751

4541

3936

3333

3331

3028

23.3

016

2023

2729

3236

4250

6071

8191

103

101

9384

7567

5852

4642

3936

3433

3331

3028

23

.40

1518

2225

2729

3135

4046

5565

7694

102

9991

8173

6355

4843

4037

3433

3331

3028

23.5

014

1821

2526

2830

3337

4351

6171

9010

110

193

8475

6456

4943

4037

3433

3331

3028

23.7

513

1619

2324

2527

2932

3742

4958

7691

9896

8981

7060

5145

4138

3534

3332

3028

231.

010

1316

1920

2223

2426

2730

3337

5067

8394

9793

8170

5848

4340

3734

3332

3129

24

1.5

68

1013

1415

1618

1920

2122

2427

3342

5671

8493

8975

5949

4440

3735

3331

2924

2.0

35

79

1011

1213

1415

1617

1821

2327

3241

5374

8891

7459

4943

4037

3432

3025

2.5

12

46

77

89

1011

1112

1316

1820

2326

3245

6484

8972

5848

4340

3433

3026

3.0

01

23

34

45

66

78

910

1214

1618

2126

3555

8187

7359

5044

3734

3126

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.0 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

01

25

1016

2331

3844

5153

5252

5048

4644

4342

4140

4040

4040

4039

35.1

00

00

00

12

48

1320

2735

4651

5352

5150

4745

4442

4240

4040

4040

4039

35.2

00

00

00

01

36

1117

2431

4350

5252

5150

4745

4442

4240

4040

4040

4039

35.3

00

00

00

01

25

914

2128

4048

5252

5250

4846

4443

4240

4040

4040

4039

35

.40

00

00

00

01

24

712

1831

4249

5252

5149

4745

4342

4140

4040

4040

3935

.50

00

00

00

01

13

610

1528

3947

5152

5149

4745

4342

4140

4040

4040

3935

.75

00

00

00

00

11

36

919

3141

4750

5150

4846

4342

4140

4040

4040

3936

1.0

00

00

00

00

00

01

26

1425

3644

4951

5047

4543

4241

4040

4040

3936

1.5

00

00

00

00

00

00

01

26

1323

3344

4950

4744

4342

4140

4040

3937

2.0

00

00

00

00

00

00

00

01

26

1325

3848

5047

4443

4241

4040

3937

2.5

00

00

00

00

00

00

00

00

01

39

1936

4849

4744

4342

4040

3938

3.0

00

00

00

00

00

00

00

00

00

02

618

3747

4946

4443

4140

4038

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.0 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

00

02

47

1116

2126

3032

3438

4043

4343

43.1

00

00

00

00

00

00

00

00

01

25

914

1925

2931

3337

3942

4343

43.2

00

00

00

00

00

00

00

00

00

13

711

1723

2830

3236

3942

4343

43.3

00

00

00

00

00

00

00

00

00

01

59

1521

2730

3235

3841

4343

43

.40

00

00

00

00

00

00

00

00

00

13

713

2025

2931

3437

4143

4343

.50

00

00

00

00

00

00

00

00

00

02

511

1824

2831

3336

4143

4343

.75

00

00

00

00

00

00

00

00

00

01

38

1622

2730

3235

4043

4343

1.0

00

00

00

00

00

00

00

00

00

00

26

1320

2529

3134

3942

4343

1.5

00

00

00

00

00

00

00

00

00

00

02

714

2025

2931

3741

4343

2.0

00

00

00

00

00

00

00

00

00

00

00

27

1420

2629

3439

4343

2.5

00

00

00

00

00

00

00

00

00

00

00

03

815

2126

3237

4343

3.0

00

00

00

00

00

00

00

00

00

00

00

00

38

1420

2934

4243

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 1.0 HR * * *

SHEE

T 7

OF 1

0




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)-------------

-----------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.25 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

017

2124

2933

3743

5261

7181

8995

100

9486

7871

6457

5146

4239

3534

3333

3130

2823

.10

1619

2327

2931

3541

4857

6676

8596

9992

8476

6960

5447

4340

3634

3433

3130

2823

.20

1519

2226

2830

3338

4553

6271

8093

9793

8678

7162

5548

4340

3734

3433

3130

2823

.30

1417

2024

2527

2932

3642

4958

6784

9596

9184

7666

5850

4441

3835

3433

3130

2823

.40

1316

2023

2526

2831

3439

4654

6280

9296

9386

7868

5951

4541

3835

3433

3130

2823

.50

1215

1821

2324

2527

2933

3743

5067

8393

9591

8473

6354

4642

3936

3433

3230

2823

.75

1013

1620

2122

2325

2729

3236

4255

7184

9393

8878

6857

4943

4037

3434

3231

2824

1.0

810

1316

1719

2021

2223

2527

2937

4963

7888

9288

7865

5346

4239

3634

3331

2924

1.5

57

912

1314

1516

1718

1920

2225

2936

4760

7387

8979

6453

4642

3836

3332

2925

2.0

24

68

910

1011

1213

1415

1619

2124

2936

4564

8087

7763

5246

4138

3432

3025

2.5

12

34

56

67

88

910

1113

1517

1922

2635

4972

8578

6553

4642

3633

3026

3.0

01

12

33

44

55

67

79

1112

1417

1923

3147

7384

7663

5346

3834

3126

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.25 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

13

610

1522

2834

4348

5151

5149

4745

4443

4240

4040

4040

4039

35.1

00

00

00

01

25

813

1925

3645

4951

5050

4846

4443

4240

4040

4040

4039

35.2

00

00

00

01

24

711

1622

3443

4850

5050

4846

4443

4241

4040

4040

4039

35.3

00

00

00

01

13

59

1419

3140

4649

5050

4846

4543

4241

4040

4040

4039

35

.40

00

00

00

01

24

812

1728

3845

4950

5049

4745

4342

4140

4040

4040

3935

.50

00

00

00

01

24

610

1425

3643

4850

5049

4745

4342

4140

4040

4040

3935

.75

00

00

00

00

01

23

613

2333

4146

4950

4846

4443

4240

4040

4040

3936

1.0

00

00

00

00

00

01

26

1423

3240

4649

4947

4543

4241

4040

4040

3936

1.5

00

00

00

00

00

00

01

26

1321

3041

4749

4745

4342

4140

4040

3937

2.0

00

00

00

00

00

00

00

01

36

1223

3545

4847

4543

4241

4040

4037

2.5

00

00

00

00

00

00

00

00

01

38

1833

4548

4644

4342

4040

4038

3.0

00

00

00

00

00

00

00

00

00

02

617

3445

4846

4443

4140

4038

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.25 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

00

01

35

914

1924

2831

3337

3942

4242

42.1

00

00

00

00

00

00

00

00

00

13

711

1723

2730

3236

3842

4242

42.2

00

00

00

00

00

00

00

00

00

12

59

1521

2629

3235

3841

4242

42.3

00

00

00

00

00

00

00

00

00

01

37

1319

2529

3134

3741

4242

42

.40

00

00

00

00

00

00

00

00

00

02

511

1723

2830

3336

4042

4242

.50

00

00

00

00

00

00

00

00

00

01

38

1522

2630

3235

4042

4242

.75

00

00

00

00

00

00

00

00

00

01

27

1320

2529

3134

3942

4242

1.0

00

00

00

00

00

00

00

00

00

00

14

1117

2327

3033

3842

4242

1.5

00

00

00

00

00

00

00

00

00

00

01

511

1823

2830

3640

4242

2.0

00

00

00

00

00

00

00

00

00

00

00

16

1218

2428

3339

4242

2.5

00

00

00

00

00

00

00

00

00

00

00

02

613

1924

3137

4242

3.0

00

00

00

00

00

00

00

00

00

00

00

00

26

1218

2833

4242

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 1.25 HR * * *

SHEE

T 8

OF 1

0

Chapter 5




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.5 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

015

1922

2729

3237

4249

5765

7380

8994

8983

7670

6255

4944

4037

3534

3331

3028

23.1

014

1720

2426

2831

3540

4653

6169

8290

9287

8174

6558

5145

4138

3534

3331

3028

23.2

013

1620

2325

2729

3337

4350

5765

7988

9188

8276

6759

5246

4238

3534

3332

3028

23.3

012

1518

2223

2426

2831

3541

4754

6981

8990

8681

7163

5447

4339

3634

3432

3028

24

.40

1114

1821

2224

2527

3034

3844

5165

7887

9087

8273

6455

4843

4036

3434

3230

2824

.50

1013

1619

2022

2324

2629

3236

4154

6981

8889

8677

6858

5044

4137

3534

3231

2924

.75

911

1418

1920

2122

2426

2831

3546

5871

8288

8881

7362

5246

4238

3534

3231

2924

1.0

79

1114

1516

1819

2021

2224

2632

4052

6576

8487

8170

5849

4440

3735

3331

2924

1.5

46

810

1112

1314

1516

1718

1922

2631

3950

6277

8581

6957

4944

4037

3432

3025

2.0

23

57

78

910

1112

1213

1417

1922

2531

3853

6983

8068

5648

4340

3533

3025

2.5

11

23

45

56

67

89

911

1315

1720

2330

4161

8282

6958

4944

3734

3126

3.0

00

12

22

33

44

55

68

911

1315

1721

2740

6380

7868

5749

4035

3127

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.5 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

12

46

1014

1924

3441

4648

4948

4746

4443

4241

4040

4040

4039

35.1

00

00

00

01

13

58

1217

2736

4246

4849

4846

4543

4241

4040

4040

4039

36.2

00

00

00

00

12

47

1015

2433

4145

4849

4847

4543

4341

4040

4040

4039

36.3

00

00

00

00

12

36

913

2231

3944

4748

4847

4544

4341

4040

4040

4039

36

.40

00

00

00

00

11

35

715

2433

4045

4748

4746

4443

4240

4040

4040

3936

.50

00

00

00

00

01

24

613

2231

3844

4748

4846

4443

4240

4040

4040

3936

.75

00

00

00

00

01

12

49

1624

3339

4447

4847

4543

4241

4040

4040

3936

1.0

00

00

00

00

00

00

12

612

2029

3644

4748

4644

4342

4040

4040

4036

1.5

00

00

00

00

00

00

00

13

612

1930

3946

4746

4443

4240

4040

4037

2.0

00

00

00

00

00

00

00

01

24

817

2840

4647

4544

4241

4040

4037

2.5

00

00

00

00

00

00

00

00

01

26

1326

4047

4745

4342

4040

4038

3.0

00

00

00

00

00

00

00

00

00

01

412

2841

4646

4543

4140

4038

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.5 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

00

01

23

711

1622

2730

3235

3842

4242

42.1

00

00

00

00

00

00

00

00

00

11

47

1319

2428

3134

3741

4242

42.2

00

00

00

00

00

00

00

00

00

01

37

1219

2428

3133

3641

4242

42.3

00

00

00

00

00

00

00

00

00

01

36

1218

2328

3033

3640

4242

42

.40

00

00

00

00

00

00

00

00

00

13

611

1723

2730

3336

4042

4242

.50

00

00

00

00

00

00

00

00

00

12

510

1722

2730

3236

4041

4141

.75

00

00

00

00

00

00

00

00

00

12

510

1622

2629

3235

4041

4141

1.0

00

00

00

00

00

00

00

00

00

00

25

1117

2327

3033

3841

4141

1.5

00

00

00

00

00

00

00

00

00

00

01

512

1823

2730

3640

4141

2.0

00

00

00

00

00

00

00

00

00

00

00

26

1218

2428

3339

4141

2.5

00

00

00

00

00

00

00

00

00

00

00

02

713

1924

3136

4141

3.0

00

00

00

00

00

00

00

00

00

00

00

01

37

1319

2834

4141

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 1.5 HR * * *

SHEE

T 9

OF 1

0




Ex

hib

it 5

-IA

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

A r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

7.3

7.9

8.1

8.3

8.5

8.7

9.0

9.4

9.8

10.3

11.0

12.0

13.0

14.0

16.0

22.0

(hr)

7.0

7.6

8.0

8.2

8.4

8.6

8.8

9.2

9.6

10.0

10.6

11.5

12.5

13.5

15.0

18.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 2.0 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

012

1518

2224

2628

3236

4146

5258

6876

8084

7976

6862

5548

4440

3735

3432

3128

24.1

011

1316

2021

2325

2730

3438

4349

6070

7783

8378

7265

5750

4541

3836

3432

3129

24.2

09

1215

1819

2122

2426

2932

3641

5263

7278

8281

7568

6052

4642

3936

3532

3129

24.3

09

1214

1819

2021

2325

2831

3439

4960

7077

8181

7670

6153

4743

3936

3533

3129

24

.40

911

1417

1819

2122

2426

2933

3747

5767

7580

8177

7162

5347

4339

3735

3331

2924

.50

710

1215

1718

1920

2123

2528

3139

4960

6976

8179

7465

5649

4440

3735

3331

2924

.75

69

1114

1516

1718

2021

2325

2734

4252

6270

7679

7668

5951

4641

3836

3331

2924

1.0

56

911

1213

1415

1617

1820

2125

3038

4757

6676

7975

6455

4944

4037

3432

2925

1.5

34

68

89

1011

1213

1415

1618

2124

3037

4559

7178

7363

5548

4340

3533

3025

2.0

12

34

55

67

78

910

1012

1416

1922

2636

4865

7773

6456

4944

3734

3126

2.5

01

12

33

44

55

66

78

1012

1416

1823

3146

6676

7263

5548

4035

3127

3.0

00

11

12

22

33

34

45

78

1011

1317

2130

4967

7571

6354

4337

3227

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 2.0 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

01

23

57

1013

2027

3439

4244

4745

4544

4342

4040

4040

4039

36.1

00

00

00

00

11

24

68

1522

2935

4043

4546

4544

4342

4140

4040

4040

36.2

00

00

00

00

01

12

35

1017

2431

3641

4446

4544

4342

4140

4040

4040

36.3

00

00

00

00

00

12

34

915

2229

3539

4446

4544

4342

4140

4040

4040

36

.40

00

00

00

00

01

12

48

1420

2733

3843

4646

4443

4241

4040

4040

4036

.50

00

00

00

00

00

11

25

915

2229

3541

4445

4544

4342

4040

4040

4036

.75

00

00

00

00

00

01

13

611

1724

3038

4245

4544

4342

4140

4040

4037

1.0

00

00

00

00

00

00

01

25

914

2130

3843

4544

4443

4140

4040

4037

1.5

00

00

00

00

00

00

00

01

24

816

2536

4345

4443

4241

4040

4038

2.0

00

00

00

00

00

00

00

00

01

26

1224

3643

4544

4342

4040

4038

2.5

00

00

00

00

00

00

00

00

00

01

412

2537

4345

4443

4140

4038

3.0

00

00

00

00

00

00

00

00

00

00

14

1326

3743

4444

4240

4039

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 2.0 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

00

00

00

00

00

00

12

47

1218

2327

3033

3640

4040

40.1

00

00

00

00

00

00

00

00

00

01

35

1016

2126

2932

3540

4040

40.2

00

00

00

00

00

00

00

00

00

01

24

814

2025

2831

3439

4040

40.3

00

00

00

00

00

00

00

00

00

00

13

612

1823

2730

3338

4040

40

.40

00

00

00

00

00

00

00

00

00

01

25

1116

2226

2932

3840

4040

.50

00

00

00

00

00

00

00

00

00

00

14

915

2025

2831

3740

4040

.75

00

00

00

00

00

00

00

00

00

00

13

713

1924

2730

3640

4040

1.0

00

00

00

00

00

00

00

00

00

00

01

38

1420

2428

3439

4040

1.5

00

00

00

00

00

00

00

00

00

00

00

15

1016

2125

3237

4040

2.0

00

00

00

00

00

00

00

00

00

00

00

02

511

1621

2935

4040

2.5

00

00

00

00

00

00

00

00

00

00

00

00

26

1117

2632

4040

3.0

00

00

00

00

00

00

00

00

00

00

00

00

02

611

2129

3940

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= IA

* * * TC = 2.0 HR * * *

SHEE

T 10

OF

10

Chapter 5




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.1 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

024

3453

33464

710

1062

321

714

712

310

486

7666

5751

4642

3834

3229

2623

2120

1918

1513

120

.10

2129

4313

426

752

084

770

137

822

415

712

298

7564

5650

4541

3633

3027

2421

2019

1816

1312

0.2

018

2535

6111

021

541

870

470

248

631

220

915

194

7362

5449

4438

3431

2825

2221

1918

1614

120

.30

1723

3356

9217

433

758

266

254

538

926

919

010

979

6556

5045

3935

3229

2522

2120

1816

1412

0

.40

1520

2841

5178

142

272

478

601

563

44732

817

210

476

6355

4942

3733

2926

2321

2019

1714

120

.50

1419

2639

4768

117

220

392

531

553

48238

020

912

184

6757

5143

3833

3027

2321

2019

1714

120

.75

1215

2129

3338

4973

126

224

343

43246

438

525

215

610

376

6250

4336

3128

2522

2119

1715

120

1.0

912

1521

2326

2933

4055

8614

823

840

643

431

720

513

089

6250

4134

3027

2422

2018

1612

0

1.5

78

1014

1516

1820

2225

2934

4510

122

033

937

332

023

413

180

5340

3430

2724

2119

1712

22.

04

67

99

1011

1213

1516

1820

2537

7215

025

233

631

221

610

958

4234

3027

2420

1813

82.

53

45

67

78

89

1011

1213

1619

2539

7514

226

230

822

910

858

4134

3027

2219

1411

3.0

12

34

45

56

67

78

810

1214

1722

3176

169

288

236

122

6443

3530

2420

1611

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.1 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

0015

456

893

652

421

717

214

912

610

797

8676

6963

5853

4846

4238

3431

3028

2724

2019

0.1

00

00

1910

941

576

260

334

623

017

614

311

996

8474

6862

5750

4744

4035

3230

2927

2421

190

.20

00

00

1377

302

609

605

432

297

21716

711

594

8173

6660

5348

4541

3733

3129

2825

2119

0.3

00

00

09

5421

947

956

347

635

726

319

912

999

8575

6862

5449

4541

3733

3129

2825

2119

0

.40

00

00

06

3815

937

250

048

439

930

918

312

396

8273

6658

5146

4238

3431

3028

2522

190

.50

00

00

04

2711

528

742

946

542

134

621

313

810

386

7668

5952

4743

3934

3230

2925

2219

0.7

50

00

00

01

1046

132

246

33838

134

124

316

511

994

8067

5850

4541

3733

3129

2623

190

1.0

00

00

00

01

422

6914

924

135

733

124

617

012

296

7664

5447

4238

3432

3027

2419

0

1.5

00

00

00

00

00

01

441

142

258

310

28522

414

297

7155

4743

3935

3229

2520

42.

00

00

00

00

00

00

00

110

4913

022

127

925

518

210

870

5547

4238

3430

2720

112.

50

00

00

00

00

00

00

00

214

5211

922

425

619

310

770

5547

4238

3228

2217

3.0

00

00

00

00

00

00

00

00

01

952

141

240

199

117

7456

4843

3530

2418

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.1 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

070

539

377

196

171

154

134

11710

899

8983

7772

6761

5956

5146

4342

4038

3430

280

.10

00

00

4737

537

625

619

916

914

612

611

410

292

8579

7368

6259

5652

4743

4240

3834

3028

0.2

00

00

00

3126

033

828

322

718

916

013

811

299

9083

7772

6460

5753

4844

4241

3935

3028

0.3

00

00

00

021

180

285

284

246

20817

613

111

097

8882

7668

6259

5450

4543

4139

3631

280

.40

00

00

00

1412

523

226

625

322

319

214

211

510

091

8377

6963

5955

5045

4341

4036

3128

0.5

00

00

00

09

8618

323

924

823

120

515

412

210

493

8579

7164

5955

5146

4341

4036

3228

0.7

50

00

00

03

3187

147

190

21121

318

414

712

110

392

8475

6761

5752

4744

4240

3732

280

1.0

00

00

00

00

113

4592

14120

519

716

513

411

298

8475

6559

5550

4643

4138

3428

0

1.5

00

00

00

00

00

02

951

118

170

183

16714

311

192

7765

5954

5045

4339

3528

22.

00

00

00

00

00

00

00

215

5110

314

816

815

612

796

7665

5854

4945

4137

2912

2.5

00

00

00

00

00

00

00

01

931

6913

115

914

010

178

6659

5450

4339

3124

3.0

00

00

00

00

00

00

00

00

02

1146

101

151

134

9977

6559

5445

4133

26----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 0.1 HR * * *

SHEE

T 1

OF 1

0




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.2 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

023

3147

20940

373

980

048

125

016

612

810

286

7061

5449

4440

3533

3027

2421

2019

1816

1312

0.1

019

2639

8616

832

560

173

356

535

522

916

112

283

6959

5347

4337

3431

2825

2221

1918

1614

120

.20

1723

3249

7413

626

248

865

259

443

529

820

711

581

6758

5146

4035

3229

2623

2120

1916

1412

0.3

016

2230

4664

112

212

396

566

585

485

36025

813

990

7160

5348

4136

3229

2623

2120

1916

1412

0

.40

1419

2537

4357

9417

332

248

555

150

740

922

712

987

6858

5244

3833

3027

2421

2019

1714

120

.50

1318

2435

4052

8014

226

241

050

450

644

126

915

398

7361

5345

3934

3027

2422

2019

1715

120

.75

1013

1723

2630

3440

5586

150

24734

943

836

024

015

110

175

5747

3933

2926

2321

2018

1512

01.

09

1114

1921

2426

3035

4462

10116

733

741

335

324

515

710

468

5342

3531

2824

2220

1816

120

1.5

68

1013

1415

1719

2123

2630

3773

166

288

356

33726

415

491

5742

3530

2724

2219

1713

32.

04

57

89

1010

1112

1415

1618

2331

5511

420

629

132

423

912

563

4435

3128

2420

1814

92.

53

45

66

77

89

910

1112

1518

2232

5811

122

729

824

612

263

4335

3127

2219

1511

3.0

12

34

44

55

66

77

89

1113

1619

2759

138

280

248

137

7046

3631

2521

1611

----

+--

-+--

+-

+-+--

+--

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+--

+--

+--

+-+--

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+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.2 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

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+--

+--

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+--

+--

+--

+--

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+--

+--

+-

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+0.

00

00

3918

054

569

749

727

619

815

813

011

093

8173

6761

5649

4643

3935

3230

2927

2421

190

.10

00

02

2712

940

760

053

236

125

219

015

010

890

7971

6559

5248

4441

3632

3129

2825

2119

0.2

00

00

219

9230

250

152

141

530

622

817

611

995

8273

6761

5348

4541

3733

3129

2825

2119

0.3

00

00

01

1366

223

408

484

438

35026

916

311

493

8072

6557

5146

4238

3431

3028

2522

190

.40

00

00

19

4716

432

743

143

637

930

618

912

798

8374

6758

5247

4338

3431

3028

2522

190

.50

00

00

00

633

120

258

374

41539

127

117

312

195

8172

6255

4844

4035

3230

2926

2219

0.7

50

00

00

02

1350

126

221

30234

832

324

016

712

196

8168

5950

4541

3733

3129

2623

190

1.0

00

00

00

00

16

2469

13928

533

128

020

414

510

982

6856

4843

3935

3230

2724

190

1.5

00

00

00

00

00

00

116

7918

627

128

824

716

511

076

5849

4440

3532

2926

205

2.0

00

00

00

00

00

00

00

324

8016

323

526

220

212

376

5849

4339

3530

2721

132.

50

00

00

00

00

00

00

00

16

2877

179

242

207

120

7557

4843

3932

2922

173.

00

00

00

00

00

00

00

00

00

04

3010

120

722

713

080

5949

4435

3024

18----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.2 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

07

9837

132

222

118

215

813

712

010

494

8680

7469

6260

5752

4744

4240

3935

3028

0.1

00

00

04

6727

030

524

920

417

414

913

010

897

8882

7671

6460

5753

4844

4241

3935

3028

0.2

00

00

00

345

195

268

255

221

18916

312

510

695

8780

7567

6258

5449

4543

4139

3531

280

.30

00

00

02

3114

022

624

522

920

317

613

411

198

8982

7668

6259

5550

4543

4139

3631

280

.40

00

00

01

2110

118

422

522

821

118

814

411

710

191

8478

6963

5955

5045

4341

4036

3128

0.5

00

00

00

01

1472

146

199

21821

317

513

711

399

8982

7366

6056

5247

4342

4036

3228

0.7

50

00

00

00

528

7112

116

218

619

316

113

311

298

8878

7062

5753

4844

4241

3733

280

1.0

00

00

00

00

02

1338

7715

418

617

414

712

210

589

7868

6056

5146

4342

3834

280

1.5

00

00

00

00

00

00

222

7112

916

316

815

012

098

8067

6055

5146

4340

3628

42.

00

00

00

00

00

00

00

05

2565

11214

615

713

410

379

6760

5550

4641

3829

142.

50

00

00

00

00

00

00

00

18

2660

117

148

136

101

7966

5954

5043

3931

243,

00

00

00

00

00

00

00

00

00

29

4090

142

130

9978

6659

5445

4133

26----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 0.2 HR * * *

SHEE

T 2

OF 1

0

Chapter 5




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.3 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

020

2841

11823

544

767

667

645

928

319

614

611

480

6657

5146

4237

3331

2824

2220

1918

1613

120

.10

1926

3999

189

361

571

641

520

362

251

18113

689

7060

5348

4337

3431

2825

2221

1918

1614

120

.20

1723

3253

8315

429

247

858

754

242

230

822

312

786

6858

5246

4035

3229

2623

2120

1916

1412

0.3

016

2230

4972

127

237

398

524

536

460

35926

815

197

7361

5348

4136

3229

2623

2120

1916

1412

0

.40

1419

2537

4563

105

193

330

459

510

47739

823

713

992

7059

5244

3834

3027

2421

2019

1714

120

.50

1318

2435

4256

8915

827

239

747

247

542

427

416

310

476

6254

4639

3430

2724

2220

1917

1512

0.7

511

1419

2630

3442

5995

160

250

33941

739

829

919

612

889

6954

4537

3229

2623

2120

1715

120

1.0

911

1419

2124

2730

3646

6810

917

432

839

634

624

816

310

970

5443

3531

2824

2220

1816

120

1.5

68

1013

1415

1719

2123

2631

3877

169

282

347

33026

415

894

5842

3531

2724

2219

1713

32.

04

57

89

1010

1112

1415

1618

2332

5711

620

528

531

723

912

864

4436

3128

2520

1814

92.

52

45

66

77

89

910

1112

1518

2333

6011

322

329

324

512

565

4435

3127

2219

1511

3.0

12

34

44

55

66

77

89

1113

1620

2761

138

275

246

139

7246

3631

2521

1611

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.3 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

1164

251

525

574

454

303

221

17314

010

488

7770

6458

5147

4440

3632

3129

2824

2119

0.1

00

00

07

4518

341

152

047

636

026

820

513

310

185

7669

6255

4945

4137

3331

3028

2521

190

.20

00

00

532

132

318

452

468

396

31024

015

110

990

7870

6456

5046

4238

3331

3028

2522

190

.30

00

00

03

2296

244

383

440

41134

421

714

210

587

7669

6053

4743

3935

3230

2926

2219

0

.40

00

00

02

1669

186

317

399

40736

524

616

011

592

7971

6154

4843

3935

3230

2926

2219

0,5

00

00

00

02

1150

140

258

35238

932

722

314

911

089

7766

5750

4541

3633

3129

2623

190

.75

00

00

00

14

2063

135

21929

033

528

120

514

611

089

7262

5246

4238

3431

3027

2319

01.

00

00

00

00

00

29

3278

216

320

306

243

17612

890

7259

4944

4036

3331

2824

191

1.5

00

00

00

00

00

00

220

8418

526

428

124

616

811

277

5849

4440

3632

2926

205

2.0

00

00

00

00

00

00

00

112

5012

120

025

722

414

183

6150

4440

3631

2821

142.

50

00

00

00

00

00

00

00

03

1651

145

239

223

137

8260

5044

4033

2922

173.

00

00

00

00

00

00

00

00

00

02

1974

184

224

146

8963

5145

3631

2418

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.3 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

01

2515

129

927

721

918

716

214

111

310

090

8478

7265

6158

5348

4442

4139

3531

280

.10

00

00

117

106

235

263

234

202

17515

212

010

493

8579

7366

6158

5449

4442

4139

3531

280

.20

00

00

00

1275

182

236

234

21318

814

411

610

191

8478

7063

5955

5045

4341

4036

3128

0.3

00

00

00

08

5213

820

322

421

719

715

412

310

594

8679

7164

5955

5146

4342

4036

3228

0

.40

00

00

00

537

105

170

206

21320

316

413

111

097

8881

7265

6056

5146

4342

4036

3228

0.5

00

00

00

00

426

7814

018

420

319

115

512

610

795

8676

6962

5753

4844

4241

3733

280

.75

00

00

00

01

1034

7311

715

318

417

314

612

210

594

8273

6458

5449

4543

4137

3328

01.

00

00

00

00

00

04

1742

114

168

178

159

13411

494

8270

6157

5247

4442

3935

280

1.5

00

00

00

00

00

00

110

4498

144

16315

713

010

584

6961

5652

4744

4036

296

2.0

00

00

00

00

00

00

00

214

4487

12715

314

111

083

6961

5651

4742

3830

172.

50

00

00

00

00

00

00

00

04

1642

9713

814

510

782

6860

5551

4340

3225

3.0

00

00

00

00

00

00

00

00

01

527

7112

713

910

581

6860

5546

4133

27----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 0.3 HR * * *

SHEE

T 3

OF

10




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.4 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

018

2536

7714

127

146

859

257

443

129

821

616

310

477

6355

4944

3834

3128

2522

2120

1816

1412

0.1

018

2434

6711

621

938

552

355

747

335

726

319

611

984

6757

5146

3935

3229

2522

2120

1916

1412

0.2

015

2028

4459

9717

931

645

452

348

940

130

917

811

281

6556

4942

3733

3026

2321

2019

1714

120

.30

1520

2741

5382

147

260

389

478

486

42934

921

012

989

6958

5143

3833

3027

2421

2019

1714

120

.40

1317

2333

3848

7112

121

433

142

946

744

230

818

912

085

6656

4741

3531

2824

2220

1917

1512

0.5

012

1622

3136

4462

102

176

279

379

43844

033

921

813

794

7159

4942

3531

2825

2221

1917

1512

0.7

510

1317

2426

3035

4565

106

170

25132

639

334

124

516

411

281

5948

3933

3026

2321

2018

1512

01.

08

1013

1719

2124

2731

3750

7511

825

136

037

629

220

513

883

6045

3632

2825

2221

1816

121

1.5

67

912

1314

1517

1921

2326

3156

121

224

311

33329

319

211

566

4536

3128

2522

1917

134

2.0

45

68

89

1010

1112

1415

1620

2743

8515

924

330

626

415

474

4737

3228

2521

1814

92.

52

34

56

67

78

99

1011

1316

2027

4685

184

285

262

147

7447

3732

2822

1915

113.

01

22

34

44

55

66

77

810

1214

1723

4710

922

726

816

083

5038

3225

2116

11--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

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+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.4 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

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+--

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+--

+--

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+--

+-

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+0.

00

00

426

113

296

480

495

413

306

23418

612

710

084

7467

6154

4945

4137

3331

2928

2521

190

.10

00

00

218

8122

439

546

243

034

727

217

212

196

8273

6657

5146

4238

3431

3028

2522

190

.20

00

00

213

5916

932

041

442

437

330

519

613

410

385

7567

5952

4743

3934

3230

2925

2219

0.3

00

00

00

19

4212

725

536

140

338

327

418

112

799

8373

6355

4844

4036

3230

2926

2319

0

.40

00

00

01

630

9420

230

837

237

929

820

314

110

687

7665

5649

4440

3632

3129

2623

190

.50

00

00

00

04

2170

158

25833

436

427

018

713

310

285

7060

5146

4137

3331

3026

2319

0.7

50

00

00

00

28

3076

14521

932

130

524

117

713

010

278

6555

4743

3834

3230

2724

190

1.0

00

00

00

00

01

415

4215

026

730

827

220

915

410

379

6251

4541

3733

3128

2519

1

1.5

00

00

00

00

00

00

110

5113

622

627

426

319

513

185

6251

4541

3633

2926

206

2.0

00

00

00

00

00

00

00

16

3186

16225

223

916

293

6452

4541

3731

2821

152.

50

00

00

00

00

00

00

00

01

933

112

202

235

155

9264

5245

4133

2923

183.

00

00

00

00

00

00

00

00

00

02

2176

182

221

148

9063

5145

3631

24l8

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.4 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

759

168

245

257

213

18616

312

810

996

8881

7567

6258

5450

4543

4139

3531

280

.10

00

00

00

541

125

205

240

22219

815

412

310

694

8679

7164

6056

5146

4342

4036

3228

0.2

00

00

00

03

2893

168

216

22020

516

413

111

097

8881

7265

6056

5146

4342

4036

3228

0.3

00

00

00

00

220

6913

518

920

919

215

512

610

795

8677

6962

5753

4844

4241

3733

280

.40

00

00

00

01

1450

106

16119

320

216

313

311

298

8978

7062

5853

4844

4241

3733

280

.50

00

00

00

01

937

8313

517

419

417

114

011

710

291

8071

6358

5449

4543

4137

3328

0.7

50

00

00

00

00

315

4076

147

177

169

146

12410

790

7968

6056

5147

4342

3834

280

1.0

00

00

00

00

00

17

2178

141

173

167

14612

510

186

7363

5853

4845

4239

3528

1

1.5

00

00

00

00

00

00

05

2671

121

15315

913

911

389

7263

5753

4844

4037

297

2.0

00

00

00

00

00

00

00

03

1645

8613

815

012

593

7464

5853

4842

3931

202.

50

00

00

00

00

00

00

00

01

417

5911

214

312

191

7363

5753

4540

3226

3.0

00

00

00

00

00

00

00

00

00

111

4010

113

811

790

7363

5748

4234

27----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 0.4 HR * * *

SHEE

T 4

OF 1

0

Chapter 5




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.5 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

017

2332

5794

170

308

467

529

507

402

29722

614

096

7461

5347

4136

3229

2623

2120

1916

1412

0.1

016

2230

5180

140

252

395

484

499

434

34326

516

210

880

6555

4942

3633

2926

2321

2019

1614

120

.20

1419

2538

4769

116

207

332

434

477

44937

823

814

910

177

6253

4539

3430

2724

2220

1917

1412

0.3

013

1824

3543

6097

170

278

382

446

44840

127

017

111

483

6656

4640

3431

2724

2220

1917

1512

0

.40

1215

2129

3340

5383

141

233

332

40843

436

124

315

710

779

6451

4336

3228

2522

2120

1715

120

.50

1115

2028

3137

4871

118

194

286

36741

237

827

117

811

986

6853

4437

3229

2523

2120

1715

120

.75

911

1419

2124

2731

3749

7411

818

231

937

432

824

416

911

776

5643

3531

2825

2221

1816

121

1.0

79

1216

1719

2124

2732

4055

8318

830

935

932

224

517

210

268

4938

3229

2623

2119

1612

1

1.5

57

811

1213

1415

1719

2123

2743

8917

526

932

230

922

514

077

4938

3229

2523

2017

135

2.0

34

67

88

910

1011

1214

1518

2335

6512

320

229

728

018

188

5239

3329

2621

1914

102.

52

34

55

66

77

89

910

1215

1824

3666

150

244

278

171

8752

3933

2923

2015

113.

01

12

33

44

45

56

67

89

1113

1620

3786

198

263

182

9656

4033

2621

1611

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.5 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

19

5315

731

443

343

937

929

923

715

911

895

8171

6556

5046

4238

3431

3028

2522

190

.10

00

00

16

3711

724

837

241

639

133

021

815

011

392

7970

6053

4743

3935

3230

2926

2219

0.2

00

00

01

426

8719

431

338

238

834

924

416

712

297

8272

6254

4843

3935

3230

2926

2219

0.3

00

00

00

03

1964

151

259

34137

231

622

315

611

794

8067

5850

4541

3633

3129

2623

190

.40

00

00

00

213

4711

621

129

835

432

824

517

212

710

083

6959

5145

4137

3331

2926

2319

0.5

00

00

00

00

19

3489

17025

534

130

322

516

112

096

7664

5447

4238

3431

3027

2419

0.7

50

00

00

00

14

1441

8915

227

030

526

820

715

511

887

7057

4844

3935

3230

2724

190

1.0

00

00

00

00

00

27

2298

212

295

285

23718

112

088

6753

4642

3834

3128

2519

2

1.5

00

00

00

00

00

00

05

3095

183

24926

521

715

296

6653

4641

3734

3026

208

2.0

00

00

00

00

00

00

00

03

1859

12522

124

518

210

569

5447

4238

3228

2216

2.5

00

00

00

00

00

00

00

00

15

2184

174

230

172

103

6954

4642

3430

2318

3.0

00

00

00

00

00

00

00

00

00

113

5615

721

716

310

168

5346

3731

2518

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.5 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

226

8917

021

722

920

017

914

411

910

493

8578

7064

5955

5146

4341

4036

3228

0.1

00

00

00

01

1865

135

190

21620

517

013

711

510

191

8374

6761

5652

4744

4240

3632

280

.20

00

00

00

112

4710

616

219

820

317

814

512

110

594

8576

6861

5752

4844

4240

3732

280

.30

00

00

00

01

834

8213

517

719

416

813

911

710

292

8071

6358

5449

4543

4137

3328

0

.40

00

00

00

00

625

6311

115

518

917

414

612

210

694

8273

6458

5450

4543

4137

3328

0.5

00

00

00

00

04

1848

9013

318

417

715

212

811

097

8474

6559

5550

4543

4138

3328

0.7

50

00

00

00

01

722

4780

142

169

164

144

12410

891

7968

6156

5147

4442

3834

280

1.0

00

00

00

00

00

13

1151

112

155

166

15413

410

991

7665

5954

4945

4339

3528

2

1.5

00

00

00

00

00

00

02

1650

9713

615

414

512

195

7564

5854

4945

4137

2910

2.0

00

00

00

00

00

00

00

04

1847

8613

414

612

594

7564

5853

4942

3931

212.

50

00

00

00

00

00

00

00

00

311

4495

140

127

9777

6558

5445

4133

263.

30

00

00

00

00

00

00

00

00

01

729

8613

512

295

7665

5849

4335

27----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 0.5 HR * * *

SHEE

T 5

OF 1

0




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.75 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

013

1824

3646

6811

519

429

438

042

441

036

925

217

212

393

7461

4941

3531

2724

2220

1917

1512

0.1

013

1723

3442

5997

162

250

337

395

40538

127

919

113

510

079

6551

4236

3128

2522

2119

1715

120

.20

1115

2028

3239

5282

135

211

295

36239

135

125

517

812

795

7557

4638

3229

2623

2120

1715

120

.30

1114

1926

3036

4770

113

179

256

32637

936

027

719

614

010

380

6048

3833

2926

2321

2018

1512

0

.40

1012

1622

2528

3342

6196

151

22129

136

733

625

518

213

198

6954

4234

3027

2422

2018

1612

0.5

09

1216

2124

2731

3953

8212

819

025

835

834

327

420

014

410

674

5643

3530

2724

2220

1816

120

.75

810

1317

1821

2326

3139

5582

12223

031

432

928

121

716

110

472

5138

3329

2623

2119

1612

11.

06

810

1314

1517

1921

2327

3242

8917

727

231

930

324

916

310

566

4536

3127

2422

1917

133

1.5

46

79

1010

1112

1415

1618

2027

4690

163

24129

527

520

411

966

4535

3127

2420

1813

72.

03

45

67

78

99

1011

1213

1620

2848

8915

124

527

421

311

565

4435

3027

2219

1410

2.5

12

34

45

56

67

78

810

1214

1724

3786

170

260

219

127

7147

3631

2420

1611

3.0

11

23

33

44

45

55

67

810

1114

1730

6415

724

720

512

270

4636

2722

1712

----

+--

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+-

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+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 0.75 HR * * *

IA/P

= 0

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----

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-+--

+-

+-+--

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+-

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+0.

00

00

01

630

8617

426

632

634

832

824

618

113

811

092

7966

5749

4440

3632

3129

2623

190

.10

00

00

01

422

6513

722

329

232

930

322

817

013

110

689

7361

5246

4137

3331

2926

2319

0.2

00

00

00

03

1548

108

185

25630

532

124

518

414

111

293

7563

5346

4237

3431

3027

2319

0.3

00

00

00

02

1136

8415

122

127

730

826

019

915

212

098

7865

5447

4238

3431

3027

2319

0

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00

00

00

01

827

6512

218

828

630

124

318

714

411

487

7157

4843

3935

3230

2724

191

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00

00

00

01

620

5098

15826

329

225

420

015

512

291

7459

4944

4035

3230

2724

191

.75

00

00

00

00

02

823

5114

023

126

925

321

116

711

990

6853

4642

3734

3128

2519

21.

00

00

00

00

00

00

14

2996

186

249

26123

116

912

084

6150

4440

3633

2926

205

1.5

00

00

00

00

00

00

01

834

9116

322

024

119

713

183

6150

4440

3531

2721

122.

00

00

00

03

00

00

00

00

211

3685

174

226

200

127

8260

4944

3932

2922

172.

5o

00

00

00

00

00

00

00

00

16

3710

519

621

413

587

6251

4436

3124

183.

00

00

00

00

00

00

00

00

00

00

424

9620

518

913

085

6250

3932

2618

----

+--

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+--

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+--

+--

+--

+--

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+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 0.75 HR * * *

IA/P

= 0

.50

----

+--

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+-

+-+--

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+-

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+0.

00

00

00

02

1645

9213

716

618

517

014

612

511

098

8979

7063

5853

4844

4241

3733

280

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00

00

00

01

1134

7311

514

918

016

314

112

210

796

8474

6559

5450

4543

4138

3328

0.2

00

00

00

00

18

2557

9613

117

316

614

612

611

199

8676

6659

5550

4643

4138

3428

0.3

00

00

00

00

01

518

4479

143

170

160

141

12210

892

8169

6156

5247

4442

3834

281

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00

00

00

00

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6412

716

616

214

512

711

195

8270

6257

5247

4442

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281

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00

00

00

00

00

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2682

138

162

157

14012

310

388

7564

5853

4945

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3528

2.7

50

00

00

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00

01

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4798

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154

14813

511

396

8067

6055

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3629

31.

00

00

00

00

00

00

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630

7311

914

615

113

411

391

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5853

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297

1.5

00

00

00

00

00

00

00

19

3066

10514

314

311

790

7363

5752

4842

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182.

00

00

00

00

00

00

00

00

02

1130

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711

488

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00

00

00

00

01

319

5511

113

211

187

7162

5647

4234

273.

00

00

00

00

00

00

00

00

00

00

212

5111

212

810

886

7162

5144

3627

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 0.75 HR * * *

SHEE

T 6

OF 1

0

Chapter 5




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.10

* * * TC = 1.0 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

011

1520

2935

4772

112

168

231

289

32935

731

323

917

513

310

383

6350

4033

2926

2321

2017

1512

0.1

010

1317

2427

3342

6295

144

202

26030

634

029

322

216

512

698

7256

4335

3027

2422

2018

1512

0.2

010

1317

2326

3038

5482

123

176

23228

133

230

323

817

913

610

576

5945

3530

2724

2220

1816

121

.30

912

1622

2428

3548

7010

515

220

525

632

331

025

419

314

611

381

6146

3631

2724

2220

1816

121

.40

811

1419

2123

2732

4261

9113

218

127

631

829

423

718

113

895

7051

3932

2825

2321

1816

121

.50

810

1318

2022

2530

3853

7811

415

925

331

130

025

119

514

910

274

5340

3329

2523

2118

1612

1.7

57

811

1416

1719

2125

3038

5376

146

228

284

293

25620

814

399

6646

3631

2724

2219

1713

21.

05

78

1112

1314

1617

1922

2531

5711

118

825

628

627

220

814

490

5641

3329

2623

2017

134

1.5

45

68

89

1011

1213

1415

1722

3359

107

17123

126

823

515

788

5641

3329

2521

1814

82.

02

34

55

66

77

89

910

1215

1927

4478

157

231

252

167

9659

4234

2923

2015

112.

51

22

34

44

55

66

77

810

1215

1927

5812

021

424

115

994

5942

3426

2116

113.

00

11

22

33

34

44

55

67

810

1214

2244

113

214

231

152

9158

4229

2317

12--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.30

* * * TC = 1.0 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+

0.0

00

00

14

1642

8313

719

524

327

129

222

717

814

311

798

7966

5547

4238

3431

3027

2319

0.1

00

00

00

03

1232

6611

316

821

827

926

021

316

913

611

388

7259

4943

3935

3230

2724

191

.20

00

00

00

29

2452

9314

319

327

127

122

518

014

511

992

7560

5044

3935

3230

2724

191

.30

00

00

00

16

1841

7512

016

924

626

423

419

115

312

596

7862

5144

4036

3331

2724

191

.40

00

00

00

01

414

3261

10019

025

125

922

218

114

610

986

6753

4641

3733

3128

2519

2,5

00

00

00

00

13

1024

4983

168

237

254

230

19115

511

590

6954

4742

3734

3128

2519

2,7

50

00

00

00

00

14

1225

7615

021

323

922

819

814

911

282

6150

4439

3532

2926

204

1.0

00

00

00

00

00

01

215

5111

318

222

623

419

715

010

472

5647

4238

3430

2720

7

1.5

00

00

00

00

00

00

00

418

5110

416

222

021

015

810

271

5647

4237

3128

2213

2.0

00

00

00

00

00

00

00

01

520

4912

118

720

915

210

070

5547

4134

2923

172.

50

00

00

00

00

00

00

00

00

27

3287

171

199

146

9869

5446

3731

2418

3.0

00

00

00

00

00

00

00

00

00

02

1362

158

192

151

103

7356

4134

2618

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.0 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

01

721

4271

10112

616

015

413

812

311

010

087

7767

6055

5046

4341

3834

281

.10

00

00

00

01

515

3358

8713

415

614

913

412

010

893

8271

6257

5247

4442

3834

281

.20

00

00

00

01

412

2648

7412

315

315

313

712

311

195

8472

6357

5247

4442

3834

281

.30

00

00

00

00

39

2038

6211

114

315

014

012

711

498

8673

6358

5348

4542

3935

281

.40

00

00

00

00

02

616

3175

120

145

148

13712

310

691

7766

5954

4945

4339

3529

2.5

00

00

00

00

00

15

1225

6410

913

914

613

912

710

894

7967

6055

5046

4339

3629

3.7

50

00

00

00

00

02

512

3978

115

136

14013

411

710

184

7062

5651

4744

4036

294

1.0

00

00

00

00

00

00

17

2659

9612

513

913

311

797

7866

5954

4946

4137

298

1.5

00

00

00

00

00

00

00

29

2654

8612

313

311

995

7766

5954

4943

3931

172.

00

00

00

00

00

00

00

00

03

1025

6410

412

911

693

7665

5853

4541

3324

2.5

00

00

00

00

00

00

00

00

00

210

3484

125

117

9678

6659

4943

3527

3.0

00

00

00

00

00

00

00

00

00

01

632

8912

211

494

7766

5345

3727

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 1.0 HR * * *

SHEE

T 7

OF 1

0




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.25 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

010

1318

2529

3854

8111

816

321

325

628

431

126

621

216

312

910

478

6147

3731

2724

2220

1816

121

.10

1013

1723

2734

4769

102

143

189

23426

729

727

422

617

513

811

182

6448

3831

2724

2220

1816

121

.20

911

1520

2226

3142

6088

124

16821

228

029

226

121

216

613

195

7253

4033

2825

2321

1816

121

.30

811

1419

2124

2938

5376

108

14819

026

328

826

822

417

714

010

176

5541

3429

2523

2118

1612

2

.40

810

1318

2023

2734

4666

9413

017

024

528

227

323

518

814

910

780

5842

3429

2623

2119

1612

2.5

07

912

1617

1922

2531

4158

8211

419

025

627

926

222

217

812

793

6546

3631

2724

2219

1713

2.7

56

810

1415

1719

2125

3141

5678

139

207

254

265

24520

815

211

075

5139

3228

2522

1917

133

1.0

56

810

1113

1415

1719

2226

3360

109

173

230

26125

520

815

310

064

4636

3026

2420

1813

5

1.5

34

57

78

99

1011

1213

1519

2745

7913

018

624

723

918

010

868

4837

3127

2219

1410

2.0

23

45

66

77

88

910

1113

1622

3559

9817

123

623

615

695

6244

3530

2320

1511

2.5

12

23

44

45

55

66

78

1012

1419

2858

114

197

226

163

102

6546

3626

2116

113.

00

11

22

22

33

34

44

56

79

1013

1935

8818

421

816

910

970

4931

2418

12--

--+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.3

0* * * TC = 1.25 HR * * *

IA/P

= 0

.30

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

29

2550

8613

017

420

825

323

520

116

413

611

592

7661

5144

3935

3230

2724

191

.10

00

00

00

16

1940

7111

015

321

724

722

719

115

713

110

384

6653

4641

3633

3128

2419

2.2

00

00

00

01

414

3158

9313

320

223

923

119

916

513

810

887

6855

4741

3733

3128

2519

2.3

00

00

00

00

13

1024

4677

152

210

236

222

19015

812

297

7458

4943

3834

3228

2520

3

.40

00

00

00

00

28

1937

6413

419

623

222

519

816

612

710

177

5950

4338

3532

2825

203

.50

00

00

00

00

02

614

3082

151

206

228

21718

914

611

385

6452

4540

3633

2926

205

.75

00

00

00

00

01

27

1549

105

164

205

21820

516

612

995

6955

4741

3733

2926

206

1.0

00

00

00

00

00

00

19

3277

134

18521

420

316

612

083

6352

4539

3530

2721

10

1.5

00

00

00

00

00

00

00

211

3372

12118

420

317

111

782

6251

4439

3229

2215

2.0

00

00

00

00

00

00

00

00

17

2167

132

194

174

123

8664

5245

3531

2418

2.5

00

00

00

00

00

00

00

00

00

213

4612

118

716

611

984

6352

3932

2518

3.0

00

00

00

00

00

00

00

00

00

01

844

129

180

160

116

8363

4435

2718

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.5

0* * * TC = 1.25 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

00

00

00

01

513

2644

6891

125

142

142

128

11710

794

8372

6357

5247

4442

3834

282

.10

00

00

00

00

310

2036

5710

012

914

013

612

511

410

088

7665

5954

4945

4339

3529

3.2

00

00

00

00

02

716

3048

9012

213

913

912

711

710

290

7766

6054

4945

4339

3529

3.3

00

00

00

00

00

25

1224

5998

126

137

13412

510

996

8269

6156

5146

4440

3629

4

.40

00

00

00

00

01

410

1951

8911

913

413

612

711

298

8370

6256

5147

4440

3629

5.5

00

00

00

00

00

13

715

4379

112

131

13512

911

410

085

7163

5752

4744

4036

296

.75

00

00

00

00

00

01

315

3971

102

12313

012

511

294

7867

6054

4946

4137

299

1.0

00

00

00

00

00

00

14

1740

7110

112

112

912

110

384

7162

5651

4742

3830

13

1.5

00

00

00

00

00

00

00

03

1026

5192

119

125

105

8672

6357

5244

4032

232.

00

00

00

00

00

00

00

00

01

311

3572

112

122

103

8571

6356

4742

3426

2.5

00

00

00

00

00

00

00

00

00

17

2466

111

119

101

8371

6251

4436

273.

00

00

00

00

00

00

00

00

00

00

14

2371

110

116

9982

7055

4637

27----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 1.25 HR * * *

SHEE

T 8

OF 1

0

Chapter 5




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 1.5 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

09

1115

2125

3141

5882

112

147

18421

625

527

523

619

815

912

998

7657

4335

3025

2321

1816

121

.10

810

1318

2023

2837

5172

9813

116

622

626

525

422

618

715

111

386

6346

3731

2623

2119

1613

2.2

08

1013

1719

2226

3345

6387

11614

921

225

925

923

319

716

011

990

6648

3832

2724

2219

1613

2.3

07

912

1618

2124

3040

5576

10313

419

724

425

523

820

616

912

595

6849

3832

2724

2219

1713

2

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78

1114

1517

1923

2836

4967

9115

120

824

725

223

019

614

610

977

5441

3429

2522

1917

133

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68

1013

1516

1821

2633

4359

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619

423

824

923

520

415

411

581

5642

3429

2523

2017

133

.75

57

811

1213

1416

1821

2532

4276

125

179

222

24023

319

314

810

267

4838

3227

2420

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51.

04

57

89

1011

1213

1416

1822

3459

101

152

20123

623

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313

586

5944

3530

2621

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7

1.5

34

56

67

88

910

1112

1316

2234

5895

14120

322

619

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184

5843

3529

2320

1510

2.0

12

34

45

56

67

78

910

1216

2234

5611

017

221

818

712

682

5743

3425

2116

112.

51

12

23

33

44

45

56

78

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1418

3469

141

210

190

133

8760

4430

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123.

00

01

12

22

23

33

34

55

68

911

1627

6614

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418

112

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5835

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12--

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+-

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+IA

/P =

0.3

0* * * TC = 1.5 HR * * *

IA/P

= 0

.30

----

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+-

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+0.

00

00

00

16

1531

5380

11214

419

322

520

818

615

713

410

889

7056

4842

3734

3128

2520

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00

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412

2543

6897

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198

219

203

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098

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5044

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00

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2147

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7157

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7148

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/P =

0.5

0* * * TC = 1.5 HR * * *

IA/P

= 0

.50

----

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00

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116

128

130

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7867

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00

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26

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512

812

311

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291

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4.2

00

00

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00

01

410

1829

6091

114

126

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897

8371

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38

1424

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123

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00

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610

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7566

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4945

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00

00

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00

24

926

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106

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511

810

691

7767

6054

4946

4137

298

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00

00

00

00

00

12

516

3662

8810

811

912

211

297

8169

6256

5147

4238

3011

1.0

00

00

00

00

00

00

03

1026

4975

9811

812

110

890

7666

5954

4943

3931

16

1.5

00

00

00

00

00

00

00

13

1125

4580

107

118

106

8975

6559

5345

4132

232.

00

00

00

00

00

00

00

00

01

411

3263

100

115

104

8774

6558

4842

3426

2.5

00

00

00

00

00

00

00

00

00

14

1648

9411

310

589

7666

5345

3627

3.0

00

00

00

00

00

00

00

00

00

00

315

5496

111

103

8875

5848

3828

----

+--

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+--

+--

+--

+--

+--

+--

+--

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+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 1.5 HR * * *

SHEE

T 9

OF 1

0




Ex

hib

it 5

-II:

Tab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

I rain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 2.0 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

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+--

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+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

07

912

1618

2127

3649

6482

10412

717

120

122

620

819

317

113

210

579

5845

3630

2623

2017

133

.10

68

1014

1517

2025

3343

5774

9413

917

920

421

820

518

815

011

888

6348

3832

2724

2017

134

.20

68

1013

1416

1923

2939

5166

8412

816

919

821

320

719

215

712

391

6549

3933

2824

2017

134

.30

67

912

1415

1821

2735

4559

7611

715

919

121

120

819

616

312

895

6851

4033

2825

2018

134

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56

811

1213

1517

2024

3141

5387

128

167

197

20920

518

014

510

675

5543

3530

2621

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5.5

05

68

1011

1314

1618

2228

3748

7811

815

819

020

820

818

515

111

177

5744

3630

2621

1814

5.7

54

67

910

1112

1315

1822

2735

5891

129

164

19120

219

416

712

587

6348

3832

2722

1814

61.

03

46

78

89

1011

1214

1618

2846

7411

014

717

820

119

315

610

876

5643

3530

2319

148

1.5

23

35

55

66

78

89

1012

1623

3657

8613

717

819

516

011

379

5845

3626

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112.

01

22

33

44

45

56

67

810

1216

2335

6711

216

919

015

411

078

5744

3023

1711

2.5

01

12

22

33

34

44

56

78

912

1628

5210

517

018

514

910

776

5635

2618

123.

00

01

11

11

22

22

33

34

56

78

1218

4199

161

180

152

112

8045

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+--

+-

+--

+IA

/P = 0

.30

* * * TC = 2.0 HR * * *

IA/P

= 0

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----

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-+--

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+--

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+

0.0

00

00

01

38

1525

3854

7411

514

816

818

517

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111

089

7057

4942

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2926

205

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00

00

00

02

612

2132

4785

124

153

169

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814

512

096

7560

5144

3935

3026

206

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00

00

00

02

410

1727

4175

114

146

165

17517

014

912

499

7662

5245

3935

3027

216

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00

00

00

00

13

714

2349

8612

215

117

017

416

013

610

782

6654

4741

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00

00

00

00

12

611

1943

7711

314

416

517

316

314

011

185

6755

4741

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00

00

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00

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24

916

3768

104

136

16017

116

514

411

487

6956

4842

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50

00

00

00

00

01

25

1534

6296

12715

216

716

013

210

077

6252

4540

3228

2211

1.0

00

00

00

00

00

00

03

1024

4879

11115

016

615

311

890

7158

4943

3429

2314

1.5

00

00

00

00

00

00

00

13

1024

4588

130

161

148

115

8870

5748

3731

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2.0

00

00

00

00

00

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00

00

14

1032

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215

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311

387

6856

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2.5

00

00

00

00

00

00

00

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1651

114

153

144

116

8970

4938

2719

3.0

00

00

00

00

00

00

00

00

00

00

315

5911

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014

011

388

5742

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----

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+-

+--

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/P = 0

.50

* * * TC = 2.0 HR * * *

IA/P

= 0

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----

+--

-+--

+-

+-+--

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00

00

00

00

14

813

2028

5173

9210

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111

210

697

8675

6660

5449

4641

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00

13

611

1724

4568

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110

911

210

798

8876

6760

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00

00

00

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1421

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110

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7768

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1226

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01

27

1833

5271

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410

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15

1.0

00

00

00

00

00

00

01

513

2543

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103

108

9784

7365

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1.5

00

00

00

00

00

00

00

02

512

2448

7499

106

9583

7264

5848

4334

252.

00

00

00

00

00

00

00

00

00

25

1737

6999

104

9482

7264

5245

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2.5

00

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00

00

00

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00

00

02

827

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4938

283.

00

00

00

00

00

00

00

00

00

00

01

832

6895

101

9382

6452

4028

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

* * * TC = 2.0 HR * * *

SHEE

T 10

OF

10

Chapter 5




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.1 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

029

3857

17224

142

566

253

134

526

519

113

010

183

6862

5854

5044

4137

3227

2321

1916

1413

110

.10

2632

4798

147

210

353

559

540

410

313

23116

410

180

6761

5753

4743

3934

2824

2219

1714

1311

0.2

025

3144

8612

718

229

647

151

744

635

727

320

011

786

7063

5854

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1.5

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1418

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229

304

31826

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5244

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910

1112

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/P =

0.3

0* * * TC = 0.1 HR * * *

IA/P

= 0

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----

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00

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8071

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5043

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01.

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288

7767

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1.5

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211

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6960

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3935

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2.0

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00

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319

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3931

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3788

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00

00

00

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17

3811

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220

213

188

6960

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/P =

0.5

0* * * TC = 0.1 HR * * *

IA/P

= 0

.50

----

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00

00

00

107

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210

096

9288

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4844

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9591

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396

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132

175

169

146

12410

997

8981

7467

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1.5

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491

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50

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00

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02

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3.0

00

00

00

00

00

00

00

00

01

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6312

013

611

091

8173

6651

4231

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+--

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+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

I* * * TC = 0.1 HR * * *

SHEE

T 1

OF 1

0




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

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+--

+--

+-+--

+--

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+--

+--

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+---+--

+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.2 HR * * *

IA/P

= 0

.10

----

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+-

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+--

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+--

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+--

+--

+-

+--

+0.

027

3450

11917

625

844

856

548

335

827

019

413

793

7565

6056

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2421

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110

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151

222

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501

489

402

31423

412

891

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4944

4035

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1311

0.2

023

2939

6490

131

192

312

438

472

425

35127

315

310

178

6661

5650

4540

3530

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2018

1513

110

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3348

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114

166

263

380

441

43137

823

814

196

7565

6053

4742

3732

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110

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3245

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432

840

442

239

227

116

510

881

6861

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017

712

189

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4842

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01.

012

1620

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533

026

018

112

581

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4438

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120

1.5

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1317

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112

474

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2.0

57

912

1314

1516

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3857

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914

175

5444

3833

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62.

52

45

78

910

1011

1213

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240

264

154

8356

4639

3425

1914

93.

01

23

55

66

78

89

1011

1315

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025

014

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5645

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+-

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+IA

/P =

0.3

0* * * TC = 0.2 HR * * *

IA/P

= 0

.30

----

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+-

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00

00

1749

115

297

489

462

379

307

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711

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7672

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2622

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1237

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620

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110

489

8278

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718

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930

736

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0.5

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260

32735

230

521

314

711

193

8475

6861

5548

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3229

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180

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00

00

01

514

3783

150

22027

631

126

419

614

411

294

8072

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01.

00

00

00

00

02

720

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299

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230

17112

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8169

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1.5

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00

00

00

00

00

213

5613

922

426

625

318

612

889

7161

5448

4136

2923

193

2.0

00

00

00

00

00

00

00

317

5812

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624

521

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00

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00

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00

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2157

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00

00

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00

00

00

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00

00

03

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180

215

145

9472

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+-

+--

+IA

/P =

0.5

0* * * TC = 0.2 HR * * *

IA/P

= 0

.50

----

+--

-+--

+-

+-+--

+--

-+--

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00

00

00

1011

020

624

524

520

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213

711

710

296

9390

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4844

4036

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00

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07

7616

321

723

521

718

115

212

210

698

9490

8680

7671

6455

4945

4136

3229

250

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00

00

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126

187

219

21819

314

511

910

497

9389

8378

7366

5850

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3732

3026

0.3

00

00

00

03

3696

156

198

21119

915

512

510

899

9490

8479

7467

5951

4642

3832

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0

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00

00

00

02

2472

128

17519

918

414

712

110

698

9387

8176

6961

5348

4439

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260

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00

00

00

01

1754

103

15118

319

415

612

710

910

095

8882

7670

6254

4844

4033

3026

0.7

50

00

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06

2352

9012

717

416

814

612

410

910

092

8578

7265

5649

4541

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260

1.0

00

00

00

00

00

211

2991

149

169

157

13511

710

092

8376

6961

5348

4335

3227

0

1.5

00

00

00

00

00

00

07

3381

128

15515

513

010

994

8375

6860

5347

3933

282

2.0

00

00

00

00

00

00

00

110

3472

11214

513

911

493

8274

6760

5243

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92.

50

00

00

00

00

00

00

00

03

1233

8312

613

911

292

8174

6759

4738

3018

3.0

00

00

00

00

00

00

00

00

01

421

6011

613

311

092

8173

6651

4231

22----

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-+--

+-

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+--

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+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+RA

INFA

LL T

YPE

= II

I* * * TC = 0.2 HR * * *

shee

t 2

of 1

0

Chapter 5




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

------------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+IA

/P = 0

.10

* * * TC = 0.3 HR * * *

IA/P

= 0

.10

----

+--

-+--

+-

+-+--

+--

-+--

+--

+--

+--

+--

+-+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+--

+---+--

+--

+--

+--

+-

+--

+0.

025

3144

8412

418

128

744

149

845

135

827

620

411

887

7063

5854

4844

3934

2924

2220

1714

1311

0.1

022

2837

5674

108

156

244

375

457

453

38931

418

011

383

6962

5751

4641

3631

2623

2018

1513

110

.20

2127

3553

6794

136

208

319

411

439

40634

521

213

091

7364

5952

4642

3631

2623

2118

1513

110

.30

1924

3042

4961

8311

817

827

236

541

440

930

519

012

187

7163

5549

4338

3327

2421

1915

1411

0

.40

1823

2940

4656

7410

315

323

232

138

340

032

921

713

896

7565

5750

4438

3328

2421

1915

1411

0.5

016

2126

3438

4352

6791

132

199

28034

938

329

719

612

891

7360

5346

4035

3025

2220

1614

110

.75

1418

2330

3337

4352

6691

131

18725

134

733

126

018

212

692

6857

4942

3631

2623

2116

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296

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1.5

79

1215

1718

1921

2325

2730

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7513

722

228

730

023

314

984

5747

4035

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133

2.0

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811

1213

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2226

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127

825

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52

35

77

89

1010

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2429

3960

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213

260

177

9460

4740

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93.

01

23

45

56

67

88

910

1214

1619

2329

4895

195

247

167

9360

4740

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+-

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/P =

0.3

0* * * TC = 0.3 HR * * *

IA/P

= 0

.30

----

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00

00

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5814

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236

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511

192

8479

7467

6257

5043

3633

3026

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170

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00

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112

243

364

402

379

32826

616

612

097

8680

7568

6257

5144

3733

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218

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485

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/P =

0.5

0* * * TC = 0.3 HR * * *

IA/P

= 0

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00

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598

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314

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598

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168

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3431

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119

157

163

14512

610

595

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50

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3.0

00

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00

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+-

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INFA

LL T

YPE

= II

I* * * TC = 0.3 HR * * *

SHEE

T 3

OF

10




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

----

+--

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-+--

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+--

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+--

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+-

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/P =

0.1

0* * * TC = 0.4 HR * * *

IA/P

= 0

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----

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+-

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+0.

023

2939

6591

132

198

308

422

449

417

34527

416

210

882

6861

5750

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3530

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110

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170

262

368

422

41837

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214

910

279

6760

5347

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2532

4555

7210

014

722

432

038

840

838

327

217

111

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138

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718

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185

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532

231

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518

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2527

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518

025

529

225

717

698

6148

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3126

2016

134

2.0

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810

1112

1314

1516

1719

2024

3039

6110

316

625

327

218

998

6148

4135

3023

1813

82.

52

34

67

78

910

1011

1213

1618

2226

3449

100

183

255

198

108

6650

4236

2620

149

3.0

11

24

45

56

67

88

911

1315

1821

2640

7716

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318

510

665

4941

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/P =

0.3

0* * * TC = 0.4 HR * * *

IA/P

= 0

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250

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510

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0.5

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317

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328

521

615

711

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319

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111

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714

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7563

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/P =

0.5

0* * * TC = 0.4 HR * * *

IA/P

= 0

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00

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5412

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198

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+-

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INFA

LL T

YPE

= II

I* * * TC = 0.4 HR * * *

SHEE

T 4

OF 1

0

Chapter 5




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

----

----

----

----

----

----

----

----------------------

HYDR

0GRA

PH T

IME(H0URS)

------------

------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

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+--

+--

+--

+-

+--

+IA

/P =

0.1

0* * * TC = 0.5 HR * * *

IA/P

= 0

.10

----

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+-

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+-

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+0.

021

2735

5470

9714

421

731

639

741

138

833

021

413

999

7867

6052

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5064

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627

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539

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619

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03

57

910

1112

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2.5

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OF

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HYDR

0GRA

PH T

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TIME

11.3

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12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

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(hr)

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= II

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SHEE

T 6

OF 1

0

Chapter 5




Ex

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: T

ab

ula

r h

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ro

grap

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----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

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12.0

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9071

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0.5

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00

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1734

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111

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192

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294

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110

898

8879

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311

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8577

6961

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283

1.0

00

00

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16

2149

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312

913

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910

389

8072

6456

5041

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5

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00

00

00

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00

17

2146

7511

312

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010

288

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00

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410

490

8072

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50

00

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110

289

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5645

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3,0

00

00

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00

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01

528

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811

810

188

7963

4934

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+-

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INFA

LL T

YPE

= I

II* * * TC = 1.0 HR * * *

SHEE

T 7

OF 1

0




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

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nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

17.5

19.0

22.0

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/P =

0.1

0* * * TC = 1.25 HR * * *

IA/P

= 0

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----

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013

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315

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319

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6047

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2.0

23

46

67

88

910

1112

1315

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616

621

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482

5947

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12

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68

911

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/P =

0.3

0* * * TC = 1.25 HR * * *

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= 0

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887

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511

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794

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127

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/P =

0.5

0* * * TC = 1.25 HR * * *

IA/P

= 0

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00

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109

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2058

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00

00

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00

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00

03

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104

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+-

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INFA

LL T

YPE

= II

I* * * TC = 1.25 HR * * *

SHEE

T 8

OF 1

0

Chapter 5




Ex

hib

it 5

-III

: T

ab

ula

r h

yd

ro

grap

h u

nit

dis

ch

arges (

csm

/in

) f

or t

yp

e I

II r

ain

fall

dis

trib

uti

on

—co

nti

nu

ed

TRVL

----

----

------

----

----

----

----

----

----

--------------------

HYDR

0GRA

PH T

IME(H0URS)------------------------------------------------------

TIME

11.3

11.9

l2.1

12.3

12.5

12.7

13.0

13.4

13.8

14.3

15.0

16.0

17.0

18.0

20.0

26.0

(hr)

11.0

11.6

12.0

12.2

12.4

12.6

12.8

13.2

13.6

14.0

14.6

15.5

16.5

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+-

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/P =

0.1

0* * * TC = 1.5 HR * * *

IA/P

= 0

.10

----

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1519

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110

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5544

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57

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714

799

7154

4436

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2.0

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67

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910

1113

1619

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4581

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189

199

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/P =

0.3

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IA/P

= 0

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00

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HYDR

0GRA

PH T

IME(H0URS)------------

------------------------------------------

TIME

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= 0

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0 OF

10

Chapter 6



Storage Volume for Detention BasinsChapter 6 Storage Volume for Detention Basins

As rural areas become urbanized, the resulting in-creases in peak discharges can adversely affect down-stream flood plains. Increasingly, planners, develop-ers, and the public want these downstream areas to beprotected. Many local governments are adoptingordinances to control the type of development and itsallowable impacts on the watershed. One of the mostcommon controls requires that post developmentdischarges do not exceed present-condition dischargesfor one or more storm frequencies at specified pointsalong a channel.

This chapter discusses ways to manage peak dis-charges by delaying runoff. It also presents a proce-dure for estimating the storage capacity required tomaintain the peaks within a specified level.

Efforts to reduce the effects of increased runoff fromurban areas have been innovative and diverse. Manymethods have been used effectively, such as infiltra-tion trenches, porous pavement, rooftop storage, andcisterns. But these solutions can be expensive orrequire site conditions that cannot be provided.

The detention basin is the most widely used measurefor controlling peak discharge. It is generally the leastexpensive and most reliable of the measures that havebeen considered. It can be designed to fit a widevariety of sites and can accommodate multiple outletspillways to meet requirements for multifrequencycontrol of outflow. Measures other than a detentionbasin may be preferred in some locations; their omis-sion here is not intended to discourage their use. Anydevice selected, however, should be assessed as to itsfunction, maintenance needs, and impart.

Estimating the effect of storage

When a detention basin is installed, hydrologic routingprocedures can be used to estimate the effect onhydrographs. Both the TR-20 (SCS 1983) and DAMS2(SCS 1982) computer programs provide accuratemethods of analysis. Programmable calculator andcomputer programs are available for routinghydrographs through dams.

This chapter contains a manual method for quickestimates if the effects of temporary detention on peakdischarges. The method is based on average storageand routing effects for many structures.

Figure 6-1 relates two ratios: peal outflow to peakinflow discharge (qo/qi) and storage volume runoffvolume (Vs/Vr) for all rainfall distributions.

The relationships in figure 6-1 were determined on thebasis of single stage outflow devices. Some werecontrolled by pipe flow, others by weir flow. Verifica-tion runs were made using multiple stage outflowdevices, and the variance was similar to that in thebase data. The method can therefore be used for bothsingle- and multiple-stage outflow devices. The onlyconstraints are that (1) each stage requires a designstorm and a computation of the storage required for itand (2) the discharge if the upper stage(s) includes thedischarge of the lower stage(s).

The brevity of the procedure allows the planner toexamine many combinations of detention basins.When combined with the Tabular Hydrograph method,the procedure’s usefulness is increased. Its principal;use is to develop preliminary indications of storageadequacy and to allocate control to a group of deten-tion basins. It is adequate, however, for final design ofsmall detention basins.


Storage Volume for Detention BasinsChapter 6


Input requirements andprocedures

Use figure 6-1 estimate storage volume (Vs) required orpeak outflow discharge (qo). The most frequent appli-cation is to estimate Vs, for which the required inputsare runoff volume (Vr), qo, and peak inflow discharge(qi). To estimate qo, the required inputs are Vr, Vs,and qi.

Estimating Vs

Use worksheet 6a to estimate Vs, storage volumerequired, by the following procedure.

1. Determine qo. Many factors may dictate the selec-tion of peak outflow discharge. The most commonis to limit downstream discharges to a desiredlevel, such as predevelopment discharge. Anotherfactor may be that the outflow device has alreadybeen selected.

2. Estimate qi by procedures in chapters 4 or 5. Donot use peak discharges developed by other proce-dure. When using the Tabular Hydrograph methodto estimate qi for a subarea, only use peak dis-charge associated with Tt = 0.

Types II and III

Types I and IA

.4 .5 .6 .7 .8.3.2.1

Peak outflow dischargePeak inflow discharge

qoqi

( )

.1

.2

.3

.4

.5

.6

Sto

rage

vol

ume

Run

off v

olum

eV

sV

r

Figure 6-1 Approximate detention basin routing for rainfall types I, IA, II, and III

Chapter 6



Storage Volume for Detention Basins

3. Compute qo/qi and determine Vs/Vr from figure 6-1.4. Q (in inches) was determined when computing qi in

step 2, but now it must be converted to the units inwhich Vs is to be expressed—most likely, acre-feetor cubic feet. The most common conversion of Q toVr is expressed in acre-feet:

Vr = 53.33Q(Am) [eq. 6-1]where

Vr = runoff volume (acre-ft)Q = runoff (in)

Am = drainage area (mi2), and53.33 = conversion factor from in-mi2

to acre-ft.5. Use the results of steps 3 to 4 to compute Vs:

V VV

Vs r

s

r

=

[eq. 6-2]

whereVs = storage volume required (acre-ft).

6. The stage in the detention basin corresponding toVs must be equal to the stage used to generate qo.In most situations a minor modification of theoutflow device can be made. If the device has beenpreselected. repeat the calculations with a modi-fied qo value.

Estimating qo

Use worksheet 6b to estimate qo, required peak out-flow discharge, by the following procedure.

1. Determine Vs. If the maximum stage in the deten-tion basin is constrained, set Vs by the maximumpermissible stage.

2. Compute Q (in inches) by the procedures in chap-ter 2, and convert it to the same units as Vs (seestep 4 in “estimating Vs”).

3. Compute Vs/Vr and determine qo/qi from figure 6-1.4. Estimate qi by the procedures in chapters 4 or 5.

Do not use discharges developed by any othermethod. When using Tabular method to estimate qi

for a subarea, use only the peak discharge associ-ated with Tt = 0.

5. From steps 3 to 4, compute qo:

Qo qqo

qi

i=

6. Proportion the outflow device so that the stage atqo is equal to the stage corresponding to Vs. If qo

cannot be calibrated except in discrete steps (i.e.,pipe sizes), repeat the procedure until the stagesfor qo and Vs are approximately equal.

Limitations

• This routing method is less accurate as the qo/qi

ratio approaches the limits shown in figure 6-1. Thecurves in figure 6-1 depend on the relationshipbetween available storage, outflow device, inflowvolume, and shape of the inflow hydrograph. Whenstorage volume (Vs) required is small, the shape ofthe outflow hydrograph is sensitive to the rate ofthe inflow hydrograph. Conversely, when Vs islarge, the inflow hydrograph shape has little effecton the outflow hydrograph. In such instances, theoutflow hydrograph is controlled by the hydraulicsof the outflow device and the procedure thereforeyields consistent results. When the peak outflowdischarge (qo) approaches the peak flow discharge(qi) parameters that affect the rate of rise of ahydrograph, such as rainfall volume, curve number,and time of concentration, become especiallysignificant.

• The procedure should not be used to perform finaldesign if an error in storage of 25 percent cannotbe tolerated. Figure 6-1 is biased to preventundersizing of outflow devices, but it may signifi-cantly overestimate the required storage capacity.More detailed hydrograph development and rout-ing will often pay for itself through reduced con-struction costs.

Examples

Four examples illustrate the use of figure 6-1. Ex-amples 6-1 through 6-4, respectively, show estimationof Vs of a two-stage structure, estimation of qo, and usethe Tabular Hydrograph method.

Example 6-1: Estimating Vs single-stage

structure

A development is being planned in a 75-acre (0.1170mi2) watershed that outlets into an existing concrete-lined channel designed for present conditions. If thechannel capacity is exceeded, damages will be sub-stantial. The watershed is in the type II storm distribu-




tion region. The present channel capacity, 180 ft3/s,was established by computing discharge for the 25-year-frequency storm by the Graphical Peak Dischargemethod (chapter 4).

The developed-condition peak discharge (qi) com-puted by the same method is 360 ft3/s, and runoff (Q)is 3.4 inches. Since outflow must be held to 180 ft3/s, adetention basin having that maximum outflow dis-charge (qo) will be built at the watershed outlet.

How much storage (Vs) will be required to meet themaximum outflow discharge (qo) of 180 ft3/s, and whatwill be the approximate dimensions of a rectangularweir outflow structure? Figure 6-2 shows howworksheet 6a is used to estimate required storage (Vs

= 5.9 acre-ft) and maximum stage (Emax = 105.7 ft).

The rectangular weir was chosen for its simplicity;however, several types of outlets can meet the outflowdevice proportion requirement. Most hydraulic refer-ences, along with considerable research data that areavailable, provide more guidance on variations ofoutlet devices that can be summarized here.

An outlet device should be proportioned to meetspecific objectives. A single-stage device was specifiedin this example because only one storm was consid-ered. A weir is suitable here because of the low head.The weir crest elevation is 100.00 ft.

Using Vs = 5.9 acre-ft (figure 6-2, step 9) and the eleva-tion-storage curve, the maximum stage (Emax)is 105.7 ft.

The rectangular weir equation is

q L Ho w w= 3 21 5

.. [eq. 6-4]

whereqo = peak outflow discharge (ft3/s)Lw = weir crest length (ft)Hw = head over weir crest (ft)

Hw and qo are computed as follows:Hw = Emax – weir crest elevation

= 105.7 - 100.0 = 5.7 ft.

Since qo is known to be 180 ft3/s, solving equation6-4 for Lw yields

Lq

H

ft

wo

w

=

=( )

=

3 2

180

3 2 5 74 1

1 5

1 5

.

. ..

.

. [eq. 6-5]

In summary, the outlet structure is a rectangular weirwith crest length of 4.1 ft, Hw = 5.7 ft, and qo = 180 ft3/scorresponding to a Vs = 5.9 acre-ft.

Chapter 6





Worksheet 6a: Detention basin storage, peak outflow discharge (qo) known

Project By Date



1. Data:Drainage area .............. Am = _________ mi2Rainfall distributiontype ( I, IA, II, III) = __________

1stStage

2ndStage

2. Frequency .................. yr

3. Peak inflow discharge qi ............. ft3/s

(from worksheet 4 or 5b)

4. Peak outflowdischarge qu ........ ft3/s

qoqi

5. Compute ___ ................

VsVr

6. ___ ..............................

( Use ___ with figure 6-1) qoqi

7. Runoff, Q ................. in( From worksheet 2)

8. Runoff volume ................... ac-ft

(Vr = QAm 53.33)

9. Storage volume, Vs ......................... ac-ft

(Vs = Vs ( ___ ))Vsr

10. Maximum storage Emax (from plot)

Detention basin storage ( acre-feet )

1

1 2nd stage qo includes 1st stage qo.

Ele

vatio

n or

s

tage

Robbinsville


SWR

RGC

11/5/85

11/8/85

X

10 2 3 4 5 6100

102

104

106

0.117II

0.28

3.4

21.2

5.9

25

360

180

0.50105.7

Single stage structure




Example 6-2 Estimating Vs, Two-stage

structure

In addition to the requirements for a 25-year peakoutflow discharge of 180 ft3/s stated in example 6-1, adecision was made to limit the 2-year outflow dis-charge to 50 ft3/s because of potential damages toagricultural property below the lined channel. by themethod in chapter 4, the estimated 2-year peak dis-charge for developed conditions will be 91 ft3/s andrunoff (Q) will be 1.5 inches.

Again, a rectangular concrete weir outlaw device wasselected; the device could have been another type, butit is important to remember that the flows through thefirst stage are part of the total discharge of the higherstage.

Figure 6-3 shows how worksheet 6a is used to com-pute the Vs of 2.4 acre-ft and Emax of 103.6 for thestage. Emax of 103.6 is the weir crest elevation for thesecond stage.

Equation 6-5 is again used to compute Lw for the firststage. The weir crest elevation for the first stage is100.00 ft and qo = 50 ft3/s. The first-stage computationsfor Hw and Lw are

Hw = Emax - weir crest elevation= 103.6 - 100.0 = 3.6 ft;

and, from equation 6-5,

L

ft

w =( )

=

50

3 2 3 62 3

1 5. ..

.

The second stage is then proportioned to discharge thecorrect amount at 105.7 feet (fig. 6-2, step 10). Com-pute the discharge through the first stage for elevation105.7 feet using

L ft

H ft

w

w

=

= − =

2 3

105 7 100 0 5 7

.

. . .

(first stage)

and

By substituting these values in equation 6-4, discharge(qo) through the first stage at 105.7 feet is calculated:

q

ft s

o = ( )( )=

3 2 2 3 5 7

100

1 5

3

. . .

/

.

Now compute the required weir crest length (Lw) forthe second stage, using equation 6-5. Since the secondstage crest elevation is 103.6 feet,

H

ft

w = −=

105 7 103 6

2 1

. .

.

and, since qo for the second stage equals the totaldischarge from example 6-1 minus discharge throughthe first stage,

q

ft s

o = −

=

180 100

80 3 /Finally, substituting these Hw and qo values in equation6-5 results in

L

ft

w =( )

=

80

3 2 2 18 2

1 5. ..

.

In summary, the outlet structure is a two-stage rectan-gular weir with first stage crest length of 2.3 feet atelevation 100.0, and second stage crest length of 8.2feet at elevation 103.6 feet.

The weir equation used is probably less accurate forthe two-stage example than for the single-stage ex-ample. The actual second-stage discharge will beslightly more that the one computed. but a discussionof hydraulics of outflow devices is outside the scopeof this technical release. Example 6-2 is presented onlyto illustrate the interrelationship of outflow dischargesand storage volume and to show how to developpreliminary estimates of storage requirements for two-stage outlet structures.

Chapter 6





Project By Date




1stStage

2ndStage

2. Frequency .................. yr

3. Peak inflow discharge qi ........... ft3/s


4. Peak outflowdischarge qu ........ ft3/s

qoqi

5. Compute ___ ................

VsVr

6. ___ ..............................




(Vr = QAm 53.33)


(Vs = Vs ( ___ ))Vsr


Detention basin storage ( acre-feet )

1 2nd stage qo includes 1st stage qo

1

Ele

vatio

n or

s

tage

Robbinsville


SWR

RGC

11/5/85

11/8/85

X

10 2 3 4 5 6100

102

104

106

0.117II

0.28

3.4

21.2

5.9

25

360

180

0.50105.7

2 – Stage structure

0.26

1.5

9.4

2.4

103.6

2

91

50

0.55





Example 6-3 Estimating qo

A development is being planned for a 10-acre water-shed (0.0156 mi2). A county ordinance requires thatthe developed-condition outflow from the watershedfor 24-hr, 100-year frequency storm does not exceedthe outflow for present conditions. The peak dischargefrom the watershed for present conditions, 35 ft3/s, iscalculated from procedures in chapter 4. For devel-oped conditions, runoff (Q) is 5.4 inches, peak dis-charge from the watershed is 42 ft3/s from proceduresin chapter 4, and rainfall distribution is type II.What will be the peak outflow discharge (qo) from adetention basin that is located at the outlet and hasmaximum allowable storage volume (Vs) of 35,000 ft3

and peak inflow discharge (qi) of 42 ft3/s? Figure 6-4shows how worksheet 6b is used to estimate qo as 33ft3/s, which is within the 35 ft3/s limit. An outflowdevice will be selected to discharge 33 ft3/s at a stagecorresponding to a Vs of 35,000 ft3.

Chapter 6




Worksheet 6b: Detention basin storage, storage volume (Vs) known

Project By Date




1stStage

2ndStage

2. Frequency .................. yr

3. Storage volume Vs ....................... ac-ft

(from worksheet 2)4. Runoff, Q .............. in

VsVr

6. Compute ___ ...............

qoqi

7. ___ ......................... in

( From worksheet 4 or 5b)

8. Peak inflow discharge qi ........................... in

9. Peak outflow discharge qo ......................... ft3/s

(qo = qi ( ___ ))qoqi


Detention basin storage

1

1 2nd stage qo includes 1st stage qo

5. Runoff volume ..... ac-ft

(Vr = QAm 53.33)

( Use ___ with figure 6-1) VsVr

Ele

vatio

n or

sta

ge

Not applicable to this sample

Woods Acres

Dyer county, Tennessee

SWR

RGC

11/8/85

11/11/85

X

0.0156II

100

0.8

5.4

4.5

0.18

0.78

42

33

N/A





Example 6-4 Estimating VS,

Tabular Hydrograph method

This example builds on examples 5-1 and 5-2. If peakoutflow discharge from subarea 7 must not exceed thedischarge for present conditions, what will be thestorage volume (Vs) required in a detention basin atthe outlet of subarea 6?

First, compute the outflow hydrograph without sub-area 6 as shown in the table below, which presentsdeveloped-condition discharges for example 5-2. (Theinformation in the table is from figure 5-4.)

Discharge (ft3/s) at time (hr)

Sub area 13.0 13.2 13.4 13.6 13.8 14.0 14.3 14.6 15.0--------------------------- ft3/s ----------------------------

1 7 9 11 16 24 40 78 122 1552 7 9 12 20 33 55 96 132 1323 14 29 58 89 106 102 74 46 254 19 32 63 114 169 207 193 143 835 117 167 205 214 202 175 132 99 706 omitted — — — — — — —7 244 167 119 90 72 59 48 40 34Total without 408 413 468 543 606 638 621 582 499subarea 6

After computing the outflow hydrograph, determinethe maximum permissible outflow discharge fromsubarea 6. The present condition peak discharge at theoutlet of subarea 7 is 750 ft3/s at 14.3 hr (figure 5-2),and the developed condition peak discharge at theoutlet of subarea 7 minus subarea 6 is 638 ft3/s (tableabove). The difference between these two discharges,82 ft3/s, is the maximum outflow discharge (qo) for thedetention basin.

Next, determine the peak discharge for subarea 6 fordeveloped conditions by substituting values in equa-tion 5-1:

q q A Qt m= [eq 5-1]

From exhibit 5-II, the largest qt value is 357 csm/in(exhibit 5-II, sheet 7: Tc = 1.0 hr, Tt = 0, and Ia/P = 0.10at 12.8 hr). From figure 5-4, AmQ for subarea 6 is 1.31.Therefore,

q = (357) (1.31) = 468 ft3/s

This q value is, of course, the same as the peak inflowdischarge (qi) into the detention basin.

Finally, use worksheet 6a (fig. 6-5) to compute Vs as33.2 acre-feet.

The required storage volume of 33.2 acre-feet is thebasis for determining the required stage in the deten-tion basin. This stage is a guide proportioning a spill-way that will discharge 82 ft3/s or lass at that storage.The timing or routing effect is not considered becausethe outflow hydrograph will discharge at near qo for asignificant period.

Chapter 6






Project By Date




1stStage

2ndStage

2. Frequency .................. yr

3. Peak inflow discharge qi ........... ft3/s


4. Peak outflowdischarge qu ......... ft3/s

qoq

i

5. Compute __ ................

VsVr

6. ___ ..............................




(Vr = QAm 53.33)


(Vs = Vs ( ___ ))Vsr


Detention basin storage ( acre feet )

1

1 2nd stage qo includes 1st stage qo.

Ele

vatio

n or

s

tage

Fallswood

Dyer county, Tennessee

SWR

RGC

11/8/85

11/11/85

X

0.040II

25

468

82

0.175

0.475

3.28

69.9

33.2

N/A

Not applicable to this example

A–1(210-VI-TR-55, Second Ed., June 1986)

Exhibit A: Hydrologic Soil Groups for the United StatesAppendix B Synthetic Rainfall Distributions and

Rainfall Data Sources

The highest peak discharges from small watersheds in the United States are usually caused by intense, brief rain-falls that may occur as distinct events or as part of a longer storm. These intense rainstorms do not usually ex-tended over a large area and intensities vary greatly. One common practice in rainfall-runoff analysis is to developa synthetic rainfall distribution to use in lieu of actual storm events. This distribution includes maximum rainfallintensities for the selected design frequency arranged in a sequence that is critical for producing peak runoff.

Synthetic rainfall distributions

The length of the most intense rainfall period contributing to the peak runoff rate is related to the time of concen-tration (Tc) for the watershed. In a hydrograph created with NRCS procedures, th

Appendix A Hydrologic Soil Groups

Soils are classified into hydrologic soil groups (HSG’s)to indicate the minimum rate of infiltration obtained forbare soil after prolonged wetting. The HSG’s, which areA, B, C, and D, are one element used in determiningrunoff curve numbers (see chapter 2). For the conve-nience of TR-55 users, exhibit A-1 lists the HSG classifi-cation of United States soils.

The infiltration rate is the rate at which water enters thesoil at the soil surface. It is controlled by surface condi-tions. HSG also indicates the transmission rate—the rateat which the water moves within the soil. This rate iscontrolled by the soil profile. Approximate numericalranges for transmission rates shown in the HSG defini-tions were first published by Musgrave (USDA 1955).The four groups are defined by SCS soil scientists asfollows:

Group A soils have low runoff potential and high infil-tration rates even when thoroughly wetted. They consistchiefly of deep, well to excessively drained sand orgravel and have a high rate of water transmission(greater than 0.30 in/hr).

Group B soils have moderate infiltration rates whenthoroughly wetted and consist chiefly of moderatelydeep to deep, moderately well to well drained soils withmoderately fine to moderately coarse textures. Thesesoils have a moderate rate of water transmission (0.15-0.30 in/hr).

Group C soils have low infiltration rates when thor-oughly wetted and consist chiefly of soils with a layerthat impedes downward movement of water and soilswith moderately fine to fine texture. These soils have alow rate of water transmission (0.05-0.15 in/hr).

Group D soils have high runoff potential. They havevery low infiltration rates when thoroughly wetted andconsist chiefly of clay soils with a high swelling poten-tial, soils with a permanent high water table, soils with aclaypan or clay layer at or near the surface, and shallowsoils over nearly impervious material. These soils have avery low rate of water transmission (0-0.05 in/hr).

In exhibit A-1, some of the listed soils have an addedmodifier; for example, “Abrazo, gravelly.” This refers toa gravelly phase of the Abrazo series that is found inSCS soil map legends.

Disturbed soil profiles

As a result of urbanization, the soil profile may be con-siderably altered and the listed group classification mayno longer apply. In these circumstances, use the follow-ing to determine HSG according to the texture of thenew surface soil, provided that significant compactionhas not occurred (Brakensiek and Rawls 1983).

HSG Soil textures

A Sand, loamy sand, or sandy loam

B Silt loam or loam

C Sandy clay loam

D Clay loam, silty clay loam, sandy clay, siltyclay, or clay

Drainage and group D soils

Some soils in the list are in group D because of a highwater table that creates a drainage problem. Once thesesoils are effectively drained, they are placed in a differ-ent group. For example, Ackerman soil is classified asA/D. This indicates that the drained Ackerman soil is ingroup A and the undrained soil is in group D.

A–2 (210-VI-TR-55, Second Ed., June 1986)

Exhibit A: Hydrologic Soil Groups for the United StatesExhibit A: Hydrologic Soil Groups for the United States

AABAB ............................................ DAABERG ......................................... DAARON ........................................... CAARUP ........................................... DAASTAD ......................................... BAAZDAHL ....................................... BABAC .............................................. DABAJO ............................................ CABALAN ......................................... DABALOBADIAH .............................. BABARCA ......................................... BABBAYE ......................................... BABBEYLAKE .................................. AABBIE ............................................. BABBOTT ......................................... DABBOTTSPRING ........................... BABBOTTSTOWN ........................... CABEGG ........................................... BABELA ............................................ BABELL ............................................ BABENAKI ........................................ BABERDEEN ................................... CABERONE ...................................... BABERSITO ..................................... CABERT ............................................ BABES .............................................. DABGESE ......................................... BABILENE ........................................ CABIN ............................................... BABIQUA .......................................... BABIQUA, Flooded .......................... CABIQUIU ......................................... CABITA ............................................. CABO ................................................ CABOR ............................................. DABORIGINE ................................... DABOTEN ......................................... DABRA .............................................. BABRACON ...................................... BABRAM ........................................... DABRAZO, Gravelly ......................... CABRAZO ......................................... DABREU ........................................... BABRIGO .......................................... BABSAQUIL ..................................... BABSAROKEE ................................. CABSAROOK Cool .......................... BABSAROOK ................................... CABSAY ............................................ DABSCO ........................................... AABSCOTA ...................................... AABSHER ......................................... DABSTON ......................................... CACACIO .......................................... BACADEMY ...................................... CACADIA .......................................... DACADIANA ..................................... DACAMPO ........................................ CACANA ........................................... DACANOD ........................................ CACASCO ........................................ DACCELERATOR ............................ BACCOLA ......................................... BACEITUNAS ................................... BACEL .............................................. CACHELAKE .................................... BACHIMIN ........................................ CACKELTON .................................... BACKER ........................................... BACKERMAN ............................... A/DACKETT ......................................... DACKLEY ......................................... BACKMEN ........................................ BACKMEN, Wet ............................... CACKMORE, Poorly Drained .......... BACKNA ........................................... BACKWATER ................................... DACME ............................................. CACO ................................................ BACOMA .......................................... CACORD ........................................... CACOVE ........................................... CACREE ........................................... CACRELANE .................................... CACTEM ........................................... D

ACTI ................................................ DACTON ........................................... BACUFF ............................................ BACUNA ........................................... CACY ................................................ CADA ................................................ CADABOI .......................................... CADAIR ............................................. CADAMANT ...................................... BADAMS ........................................... AADAMSLAKE ................................. BADAMSON ..................................... BADAMSVILLE ................................. CADATON ......................................... DADAVEN ......................................... CADCO ............................................. DADDER ....................................... A/DADDERTON ................................... BADDICKS ....................................... DADDIELOU ..................................... BADE ................................................ AADEK .............................................. BADEL .............................................. BADEL, Wet ..................................... DADELAIDE ...................................... DADELANTO .................................... BADELINO ........................................ BADELINO, Saline-Alkali ................ CADELMANN ................................... CADELPHIA .................................. B/DADEN .............................................. CADENA ........................................... CADGER ........................................... DADIEUX .......................................... BADILIS ............................................ BADINOT .......................................... DADIOS ............................................ DADIRONDACK ............................... DADJIDAUMO .................................. DADJUNTAS .................................... CADKINS .......................................... BADLER ............................................ CADMAN ........................................... DADOBE ........................................... DADOLPH ..................................... B/DADOS ............................................. CADRIAN ...................................... A/DADVOKAY ...................................... DADWELL ......................................... CADY ................................................ BADYEVILLE .................................... CAECET ............................................ CAENEAS ......................................... BAETNA ............................................ CAFFEY ............................................ CAFLEY ............................................ BAFLEY, Extremely Stony .............. CAFTAD ............................................ BAFTADEN ....................................... DAFTON ....................................... C/DAGA ................................................ CAGAN ............................................. DAGAR ............................................. BAGASSIZ ........................................ DAGATE ........................................... DAGATHA ......................................... BAGAWAM ....................................... BAGEE .............................................. DAGENCY ........................................ BAGENCY, Stony ............................ CAGERDELLY .................................. DAGFAYAN ...................................... DAGNAL ........................................... DAGNESS ......................................... BAGNEW .......................................... CAGNOS ........................................... DAGON ............................................. CAGORT ........................................... CAGRA ............................................. DAGUA ............................................. BAGUA DULCE ................................ BAGUA FRIA .................................... CAGUADILLA ................................... AAGUALT ......................................... BAGUEDA ........................................ BAGUILARES ................................... B

AGUILITA ....................................... BAGUIRRE ....................................... DAGUSTIN ....................................... BAHART ........................................... BAHCHEW ........................................ DAHL ................................................. CAHLSTROM ................................... DAHMEEK ........................................ CAHOLT ............................................ DAHPAH ........................................... CAHREN ........................................... BAHRNKLIN ..................................... CAHRS .............................................. BAHSAHKA ...................................... CAHTANUM .................................. C/DAHWAHNEE ................................... BAIBONITO ...................................... DAIDO ............................................... DAIKEN ............................................. BAIKMAN .......................................... DAILEY ............................................. BAIMELIIK ........................................ BAINAKEA ........................................ BAINSLEY ........................................ BAINSWORTH ................................. BAIRMONT ....................................... CAIRPORT, Wet ............................... CAIRPORT ....................................... DAITS ................................................ BAJAX ............................................... DAJO ................................................. CAJOLITO ........................................ DAKAD ..............................................CAKAKA ............................................ AAKAN .......................................... B/DAKASKA ......................................... BAKBASH ......................................... BAKELA ............................................ DAKELEY ......................................... AAKERCAN ...................................... BAKERITE ........................................ BAKERS ........................................... BAKERUE ......................................... DAKHONI .......................................... DAKINA ............................................. BAKINVILLE ..................................... BAKLER ............................................ DAKSARBEN .................................... BALABASTER .................................. DALADDIN ........................................ BALADSHI ........................................ BALAE .............................................. AALAELOA ....................................... BALAGA ............................................ AALAKAI ........................................... DPARANAT ...................................... CALAMA ........................................... BALAMADITAS ................................ CALAMANCE ................................... BALAMBIQUE .................................. BALAMEDAWELL ............................ BALAMO ........................................... DALAMOGORDO ............................. BALAMUCHEE ................................. BALANGO ......................................... DALANOS ......................................... BALANOS, Cool ............................... DALAPAHA ................................... B/DALAPAI ........................................... AALAZAN ......................................... CALBAN ............................................ BALBANO ......................................... DALBANY ......................................... CALBATON ....................................... DALBEE ............................................ CALBEMARLE .................................. BALBERS ......................................... DALBERTI ........................................ CALBERTON .................................... BALBERTVILLE ............................... CALBICALIS ..................................... DALBINAS ........................................ BALBION .......................................... BALBRIGHTS ................................... CALBURZ ..................................... B/C

ALBUS ............................................ BALCALDE ....................................... DALCAN ............................................ DALCESTER .................................... BALCOA ........................................... BALCONA ......................................... BALCOT ............................................ AALCOVA ......................................... BALCOVY .........................................CALDA, Saline .............................. B/DALDA ..............................................CALDAPE .........................................DALDAX ............................................ DALDEN ............................................ DALDENLAKE .................................. BALDER ............................................ CALDERDALE .................................. CALDERFLATS ................................ DALDERMAND ................................. BALDERON ...................................... BALDERWOOD ................................ CALDI ................................................ DALDINE .......................................... DALDING .......................................... DALDINO .......................................... CALDO .............................................. AALDRICH ........................................ CALEDO ........................................... CALEGROS ...................................... CALEKNAGIK ................................... CALEMEDA ...................................... CALESNA .........................................CALEX .............................................. BALEX, Wet Substratum ................. CALEXANDER .................................CALEXANDRIA ................................ CALFLACK ....................................... CALFORD ......................................... BALGARROBO ................................ AALGIERS .................................... C/DALGOA ........................................... CALGOMA ........................................ DALIBATES ...................................... BALIBI ............................................... CALICEL ........................................... BALICIA ............................................ BALIDA ............................................. BALIKCHI ......................................... BALINE ............................................. AALIRE ............................................. BALIVAR ........................................... BALKABO .........................................CALKIRIDGE .................................... CALLAGASH .................................... BALLAMORE .................................... DALLANTON ................................ B/DALLARD ......................................... BALLDOWN ...................................... CALLEN ............................................ BALLENDALE .................................. CALLENS PARK .............................. BALLENS PARK, Stony ................... CALLENTINE .................................... DALLENWOOD ................................ BALLHANDS .................................... DALLINGHAM .................................. BALLIS ..............................................DALLIVAR ......................................... BALLKER .......................................... BALLOUEZ ....................................... BALLOWAY ...................................... BALLUVIAL LAND ........................... AALLWIT .......................................... DALMAC ........................................... BALMAVILLE .................................... DALMIRANTE ................................... BALMO ............................................. DALMOND ........................................ CALMONT .........................................DALMORA ........................................ BALNITE ........................................... DALNULT .......................................... BALOGIA .......................................... CALOHA ........................................... CALOMAX .........................................D


Exhibit A: Hydrologic Soil Groups for the United States

ALONA ........................................... BALONEMILL ................................... BALONSO ......................................... BALONZEVILLE ............................... BALOVAR ......................................... CALPENA ......................................... AALPHA ............................................ BALPIN ............................................. AALPINEPEAK ................................. CALPON ........................................... BALPOWA ........................................ BALRED ............................................ BALROS ........................................... CALS ................................................. AALSASH ......................................... BALSCO ........................................... BALSEA ............................................ BALSPAUGH .................................... CALSTAD ......................................... CALSTONY ....................................... BALSTOWN ...................................... BALSUP ............................................ CALTA ............................................... BALTAMONT .................................... DALTAPEAK ..................................... BALTAR ............................................ BALTASLOUGH ............................... CALTAVISTA .................................... CALTDORF ....................................... DALTHOUSE .................................... BALTICREST ................................... CALTITA ........................................... CALTMAR ......................................... BALTO .............................................. CALTOGA ......................................... CALTON ............................................ AALTUDA ......................................... DALTURAS ....................................... CALTUS ............................................ BALTVAN ......................................... BALUF .............................................. AALUM .............................................. BALUSA ............................................ DALVADA ..................................... B/DALVARADO .................................... BALVIN ............................................. BALVISO .......................................... DALVODEST .................................... DALVOR ........................................... DALWILDA ........................................ BALZADA ......................................... DALZOLA .......................................... CAMABILIS ....................................... CAMADON ........................................ DAMADOR ........................................ DAMAGON........................................ DAMAL .............................................. BAMALIA .......................................... BAMALU ........................................... DAMANA ........................................... BAMANDA ........................................ CAMARILLO ..................................... BAMASA ........................................... BAMBER ........................................... BAMBIA ............................................ DAMBOAT ........................................ DAMBOY ........................................... CAMBRANT ...................................... BAMBRAW ................................... B/DAMBROSIA .................................... AAMCEC ........................................... BAMELAR ......................................... BAMELIA .......................................... CAMENE ........................................... DAMENIA .......................................... BAMENSON ..................................... DAMERICANOS ............................... BAMERICUS .................................... AAMERIMINE ................................... BAMERY ........................................... BAMES ......................................... C/DAMESHA ........................................ BAMHERST ...................................... DAMIRET .......................................... BAMISTAD ....................................... D

AMITY ............................................. DAMMON .......................................... BAMNICON ...................................... DAMODAC ........................................ CAMOLE ...........................................CAMOR ............................................. BAMORUS ........................................ DAMOS ............................................. CAMOSTOWN .................................. CAMPAD ...........................................CAMPHION ....................................... CAMSDEN ........................................ BAMSTERDAM ................................ BAMTOFT .........................................DAMUZET ......................................... AAMUZET, Gravelly ......................... BAMWELL ........................................ CAMY ................................................ DANACAPA ...................................... BANACOCO .....................................DANACONDA ................................... BANAHEIM ....................................... CANAHUAC ...................................... DANALULU ....................................... BANAMAC ........................................ BANAMITE ....................................... DANAN ..............................................DANAPRA ......................................... BANASAZI ........................................ CANATOLIAN ................................... CANATONE ...................................... DANAUD ...........................................DANAVERDE ................................... BANAWALT ...................................... DANCENY ......................................... BANCHO ........................................... BANCHO, Saline .............................. CANCHOR POINT ........................... DANCHORAGE ................................ AANCHUSTEQUI ............................. DANCHUTZ ...................................... BANCLOTE .................................. B/DANCO ............................................. CANDERGEORGE ........................... BANDERLY ...................................... CANDERSON ................................... BANDERSON, Hard Substratum .... CANDOK ........................................... BANDOVER ...................................... DANDRADA ...................................... DANDREGG ..................................... BANDRES .........................................CANDREWS .....................................CANDRUSIA ..................................... AANDRY ...........................................DANDYS ........................................... BANED ..............................................DANELA ............................................ BANGELICA ................................. B/DANGELINA .....................................DANGELPEAK ................................. BANGELUS ...................................... BANGIE ............................................ DANGLE ........................................... AANGLEN .........................................CANGOLA .........................................CANGORA ........................................ BANGUS ........................................... BANHALT .........................................DANIAK ............................................. DANIGON ......................................... BANIMAS .......................................... CANNABERG ................................... DANNAHOOTZ ................................. AANNALAKE .................................... BANNAROSE ................................... BANNAW .......................................... BANNEMAINE .................................. CANNISQUAM .................................CANNISTON ..................................... BANNLAKE ................................... B/DANNONA ........................................ DANNROMA .....................................DANNUM .......................................... BANOCON ........................................ C

ANOKA ........................................... BANONES ........................................ CANOWELL ...................................... DANSGAR .................................... B/DANSPING ....................................... BANT FLAT ...................................... DANTARES ...................................... AANTARES ...................................... CANTELOPE SPRINGS .................. DANTERO ......................................... DANTHOLOP ................................... DANTIGO .......................................... BANTILON ........................................ CANTIOCH ....................................... DANTOINE ....................................... BANTOKEN ...................................... CANTON ........................................... DANTONITO ..................................... CANTOSA ......................................... BANTWERP ..................................... CANUNDE ........................................ BANVIL ............................................. CAPALACHEE .................................. DAPALO ............................................ BAPELDORN ................................... DAPEX .............................................. BAPISON .......................................... BAPMAT ........................................... BAPMAY ........................................... BAPOLLO ......................................... BAPOPKA ......................................... AAPPAM ........................................... BAPPANOOSE ................................. DAPPERSON ................................... CAPPLEDELLIA ............................... CAPPLEGATE .................................. CAPPLERIVER ................................. BAPPLESEED .................................. DAPPLESHALL ................................ DAPPLING ........................................ BAPPOMATTOX .............................. BAPPOQUINMINK ........................... DAPRON ........................................... BAPT ................................................. BAPTAKISIC .................................... BAPTOS ........................................... CAQUANDIC HUMAQUEPTS ......... CAQUARIUS .................................... CAQUATNA ...................................... DAQUILLA ........................................ AAQUIMA ......................................... BAQUINAS ....................................... CARADA ........................................... BARADARAN ................................... CARAGON ........................................ CARAMBURU ................................... CARAPAHOE ............................... B/DARARAT ......................................... BARAT .............................................. DARAVAIPA ..................................... CARAWAK ........................................ BARBELA ......................................... CARBOLES ...................................... CARBOR ........................................... BARBUCKLE .................................... CARBUS ........................................... BARBUTUS ...................................... AARCADIAN ..................................... DARCATA ......................................... BARCHABAL .................................... BARCHBOLD ................................... AARCHER ........................................ CARCHIN, Cool ................................ CARCHIN .......................................... DARCO ......................................... B/CARD ................................................ CARDENING .................................... BARDENMONT ................................ BARDEP ........................................... CARDILLA ........................................ CARDTOO ........................................ BARECIBO ....................................... AARENA ....................................... C/DARENALES .................................... AARENOSA ...................................... A

ARGALT ......................................... DARGEE ........................................... CARGENTA ...................................... CARGONNE ..................................... BARGORA ........................................ BARGOVAR ..................................... DARGYLE ......................................... BARIDIC USTIFLUVENTS .............. BARIEL ............................................. CARIMO ............................................ BARISTINE ....................................... CARIVACA ........................................ CARIVACA, Very Cobbly ................. DARIZER .......................................... BARKABUTLA .................................. CARKAQUA ...................................... CARKONA ........................................ BARKPORT ...................................... BARKRIGHT ..................................... BARKSON ........................................ BARKTON ......................................... CARLAND ......................................... BARLE ..............................................CARLEN ............................................ BARLINGTON, Thick Solum ........... BARLINGTON .................................. CARLOVAL ....................................... AARLYNDA ...................................... DARMENDARIS ............................... CARMENIA ....................................... DARMESA ........................................ BARMESPAN ................................... BARMINGTON ................................. DARMISTEAD .................................. CARMITAGE .................................... CARMO ............................................. BARMOINE ....................................... DARMPUP ........................................ CARNESS ......................................... DARNEY ........................................... BARNHEIM ....................................... DARNO ............................................. DARNOLD ......................................... AARNTZ ............................................ CAROL ..............................................DAROSA ........................................... CARP ................................................ CARRADA ......................................... DARRASTRE .................................... BARRIBA .......................................... CARRINGTON .................................. BARRIOLA ........................................ DARRITOLA ..................................... DARROD ........................................... DARROLIME .................................... CARRON ........................................... DARROWHEAD ............................... CARROYADA ................................... DARROYO SECO ............................ BARSITE .......................................... DARTA ..............................................CARTIL ............................................. AARTNOC ........................................ BARTRAY ......................................... DARUJO ........................................... BARUNDEL ...................................... CARVA ..............................................DARVADA ......................................... CARVANA ......................................... CARVILLA ......................................... BARWITE .......................................... BARZO ..............................................CASAAYI .......................................... DASABEAN ...................................... BASBILL ........................................... DASCAR ........................................... CASHART ......................................... DASHBURN ...................................... BASHCAMP ...................................... CASHCROFT .................................... BASHDALE ....................................... BASHDOS ........................................ CASHERTON ................................... BASHFORD ...................................... DASHFORK ...................................... D



ASHIPPUN ..................................... CASHKUM .................................... B/DASHLEY ......................................... BASHLO ........................................... BASHMED ........................................ BASHMUN ........................................ DASHNOLA ...................................... BASHOLLOW ................................... BASHONE ........................................ CASHPORT ...................................... BASHTRE ......................................... CASHUE ........................................... BASHUELOT .................................... DASHVILLE ...................................... DASHWOOD .................................... CASHWORTH .................................. BASKECKSY ................................ A/DASLINGER ..................................... CASOLT ............................................ DASOTIN .......................................... CASPARAS ...................................... BASPEN ........................................... BASPENLAKE .................................. CASPERMONT ................................ BASPERSON ................................... CASSATEAGUE ............................... AASSININS ....................................... BASTATULA ..................................... AASTOR ....................................... B/DASTOR, Flooded ........................... DASTRAG ......................................... AATASCO ......................................... CATATE ............................................ BATCHISON ..................................... BATCO .............................................. BATESH ............................................ CATLANTIS ...................................... CATLAS ............................................ DATLATL .......................................... CATLEE ............................................ CATMORE .................................... B/DATOKA ........................................... CATOM ............................................. BATRAVESADA ............................... DATRYPA ......................................... DATSION ...................................... C/DATSION, Tide Flooded .................. DATTELLA ........................................ DATTEWAN, Wet ............................. DATTICA ........................................... BATTOYAC ...................................... BATWELL ......................................... DATWOOD ....................................... BAU GRES ....................................... CAUA ................................................ BAUBARQUE ................................... DAUBERRY ...................................... BAUCHARD ...................................... CAUDUBON ..................................... CAUFCO ........................................... DAUGANAUSH ................................ CAUGGIE .......................................... BAUGUSTA ...................................... CAUGUSTINE .................................. BAUGWOOD .................................... BAURA .............................................. BAURAND ........................................ CAURORA ........................................ CAUSABLE ....................................... DAUSTIN .......................................... CAUSTINVILLE ................................ BAUSTONIO .................................... BAUSTWELL .................................... DAUT ................................................. CAUTOMBA ...................................... BAUTRYVILLE ................................. AAUXVASSE .................................... DAUZQUI .......................................... BAVA ................................................. CAVAL .............................................. DAVANT ............................................ BAVAR .............................................. DAVAWATZ ...................................... AAVENAL ......................................... BAVERLANDE ................................. D

AVERY ........................................... CAVIS ................................................ AAVISTON ........................................ BAVOCA ........................................... BAVON ............................................. CAVONDA ........................................ BAVONVILLE ................................... BAVTABLE ....................................... DAWBRIG ......................................... DAWET ............................................. BAXFORD ......................................... BAXIS ................................................ DAXTELL .......................................... DAYCOCK ........................................ BAYDELOTTE .................................. DAYERSVILLE ................................. BAYLMER ......................................... AAYMATE ......................................... CAYOCK ........................................... BAYOUB ........................................... CAYR ................................................ BAYRMOUNT ................................... BAZAAR ............................................ CAZABACHE .................................... DAZELTINE ...................................... BAZTALAN ....................................... CAZTEC ............................................ BAZTEC, High Rainfall .................... CAZURE ........................................... DAZWELL ......................................... CBAAHISH ........................................ BBABBINGTON ................................ BBABCO ........................................... CBABELTHUAP ............................... BBABERWIT .................................... CBABOON ........................................ CBABOQUIVARI .............................. BBABOQUIVARI, Sandy Substratum ................................ CBACBUSTER ................................. CBACH .......................................... B/DBACHELOR ................................... BBACHO ........................................... DBACHUS ......................................... CBACID ............................................. BBACKBAY ...................................... DBACKCANYON .............................. DBACKROAD ................................... BBACLIFF ......................................... DBACONA ........................................ BBADAXE ......................................... BBADEN ....................................... C/DBADGER ........................................ CBADGERCAMP.............................. DBADGERMONT ............................. CBADITO .......................................... CBADRIVER ..................................... DBADUS ....................................... C/DBADWATER ................................... BBAGGER ........................................ BBAGGOTT ...................................... DBAGGS ........................................... BBAGLEY ......................................... BBAGMONT ..................................... BBAGNESS ...................................... BBAHIA ............................................. ABAHIAHONDA ............................... BBAHNER ......................................... CBAILE ............................................. DBAILING ......................................... CBAINES .......................................... DBAINTER ........................................ BBAINVILLE ..................................... CBAIRD HOLLOW ........................... DBAKERSFIELD, Drained ............... BBAKERSFIELD, Saline-Sodic ....... CBAKERSVILLE ............................... DBAKSCRATCH ............................... DBALAKE ......................................... BBALATON ....................................... BBALCHER ...................................... CBALD .............................................. CBALDEAGLE .................................. BBALDER ......................................... DBALDHILL ...................................... B

BALDKNOB .................................... DBALDMOUNTAIN .......................... BBALDRIDGE .................................. BBALDWIN ....................................... DBALE .............................................. BBALE, Wet ...................................... DBALHUD LOAM ............................. BBALLAHACK .................................. DBALLARD ....................................... BBALLINGER ................................... DBALLTOWN ................................... DBALLVAR ....................................... BBALM ..............................................DBALMAN ......................................... CBALMLAKE .................................... BBALON ........................................... BBALSORA ...................................... BBALTIMORE .................................. BBAMA ............................................. BBAMBER ........................................ BBAMFIELD ..................................... CBANADERU ................................... DBANAT ............................................ BBANBURY ...................................... DBANCAS ......................................... BBANCKER ...................................... DBANDANA ...................................... BBANDON ........................................ CBANE .............................................. ABANGTAIL ...................................... CBANIDA .......................................... DBANKER ......................................... DBANKHEAD ................................... BBANLIC .......................................... CBANNEL ......................................... BBANNER ......................................... CBANNING ....................................... CBANQUITO .................................... BBANTRY ..................................... A/DBARANA ......................................... BBARANOF ...................................... CBARASCO ...................................... CBARATARI ................................. A/DBARBARELA .................................. BBARBAROSA ................................. DBARBARY ...................................... DBARBERMILL ................................ CBARBERT ...................................... DBARBOUR ...................................... BBARBOURVILLE ........................... BBARCE ........................................... BBARCELONA ................................. CBARCLAY ....................................... CBARCUS ......................................... ABARDEN ......................................... CBARDWELL ................................... BBARFAN ......................................... DBARFUSS ...................................... BBARGAMIN .................................... BBARGE ........................................... CBARGER ........................................ CBARHISKEY ................................... ABARIO ............................................ BBARISHMAN .................................. CBARKEY ......................................... BBARKSHANTY ............................... BBARLING ........................................ CBARLOW ........................................ BBARNABE ...................................... DBARNELLCREEK .......................... BBARNESTON ................................. ABARNHARDT ................................. BBARNMOT ..................................... DBARNSDALL .................................. BBARNWELL ................................... CBARODA ........................................ DBAROID .......................................... DBARPEAK ...................................... BBARRADA ...................................... DBARRE ........................................... DBARRETT ....................................... DBARRON ........................................ BBARRYMORE ................................ CBARSAC ......................................... CBARSHAAD ................................... D

BART .............................................. BBARTHOLF .................................... BBARTINE ........................................ CBARTMUS ...................................... DBARTO ........................................... DBARTOME ...................................... DBARTON ......................................... BBARTONFLAT ............................... BBARTONHILL ................................. BBARZEE .........................................DBASCAL ......................................... BBASCOM ........................................ BBASCOVY ...................................... DBASH ..............................................CBASHER ......................................... BBASILE ........................................... DBASIN ............................................. CBASINGER ................................. B/DBASINPEAK ................................... BBASKET ......................................... BBASNOB ......................................... ABASSEL ......................................... BBASSFIELD ................................... BBASTIAN ........................................ CBASTON .........................................CBASTROP ...................................... BBASTSIL ......................................... BBATA .............................................. BBATEMAN ...................................... BBATES ............................................ BBATESVILLE .................................. CBATHEL .........................................CBATTEAU ....................................... CBATTLE CREEK ............................ CBATTLEBUTTE .............................. DBATTLEFIELD ........................... A/DBATTLEGROUND ......................... BBATTYDOE .................................... BBATZA ............................................ DBAUDETTE .................................... BBAUGO ........................................... CBAUMAN ........................................ CBAUX .............................................. BBAUXSON ...................................... BBAVARIA ........................................ CBAVDARK ...................................... BBAXTERVILLE ............................... BBAYAMON ..................................... BBAYFIELD ...................................... DBAYHOOK ...................................... BBAYHORSE ................................... DBAYLIS ........................................... BBAYLOR ......................................... ABAYMEADE ................................... ABAYOU ........................................... DBAYOUDAN ................................... DBAYS ..............................................CBAYSHORE, Moderately Wet ....... BBAYSHORE ................................... DBAYTOWN ..................................... BBAYUCOS ...................................... DBAYVIEW ....................................... DBAYWOOD ..................................... ABAZETTE ....................................... CBEACH ........................................... DBEAD ..............................................CBEAL ..............................................CBEALAND ....................................... BBEALES ......................................... BBEAMTON ...................................... CBEANBLOSSUM ............................ BBEANFLAT .....................................CBEANO ........................................... DBEAR BASIN .................................. BBEAR CREEK ................................ CBEARCAMP ................................... BBEARDALL .................................... CBEARDSLEY .................................. CBEARDSTOWN ............................. CBEARGULCH ................................. BBEARHEAD ................................... BBEARPEN ...................................... CBEARRUN ...................................... CBEARTOOTH ................................. BBEARTRAP .................................... B



BEARVILLE .................................... CBEARWALLOW ............................. CBEASLEY ....................................... CBEASON ......................................... CBEATRICE ..................................... DBEAUCOUP ............................... B/DBEAUFORD ................................... DBEAUGHTON ................................ DBEAUREGARD .............................. CBEAUSITE ...................................... CBEAUVAIS ..................................... BBEAVERCREEK ............................ BBEAVERDAM ................................. CBEAVERDUMP .............................. BBEAVERFLAT ................................ BBEAVERTAIL ................................. DBEBEEVAR .................................... BBECA .............................................. CBECHTEL ....................................... BBECHYN ......................................... DBECKER ......................................... BBECKHAM ...................................... BBECKMAN ...................................... DBECKS ........................................... CBECKSTRAND ............................... CBECKVILLE .................................... BBECKWITH .................................... DBECRAFT ....................................... BBEDEN ........................................... DBEDFORD ...................................... CBEDKE ........................................... BBEDNER ......................................... CBEDSTEAD .................................... CBEDWYR ........................................ DBEDZEE ......................................... DBEECH ........................................... CBEECH GROVE ............................. CBEECHER ...................................... CBEECHWOOD ............................... CBEELEM ......................................... DBEENO ........................................... CBEERBO ......................................... DBEERSHEBA ................................. BBEESKOVE .................................... BBEEWON........................................ DBEEZEE ......................................... BBEHEMOTOSH.............................. CBEHRING ....................................... DBEIGLE .......................................... BBEIRMAN ....................................... DBEJUCOS ...................................... BBELAIN ........................................... CBELATE .......................................... BBELCHER ...................................... DBELDEN ......................................... CBELDING ........................................ BBELFON ......................................... BBELGARRA .................................... CBELGRADE .................................... BBELINDA ........................................ DBELK .............................................. DBELKNAP ....................................... CBELLA ............................................ DBELLAMY ....................................... CBELLAVISTA .................................. CBELLE ............................................ BBELLECHESTER ........................... ABELLEHELEN ................................ DBELLENMINE ................................ DBELLEVILLE .............................. B/DBELLEVILLE, Ponded ................... DBELLEVUE ..................................... BBELLICUM ..................................... BBELLINGHAM ............................ C/DBELLOTA ....................................... DBELLPASS ..................................... DBELLPINE ...................................... CBELLSLAKE ................................... DBELLTOWER ................................. BBELLWOOD ................................... DBELMILL ......................................... BBELPRE ......................................... CBELRICK ........................................ BBELROSE ...................................... BBELSAC ......................................... B

BELTAVA ....................................... BBELTON .........................................CBELTSVILLE .................................. CBELUGA ..................................... C/DBELVOIR ........................................ CBELZAR .........................................CBEMIDJI ......................................... BBEMIS ............................................ CBEMISHAVE .................................. CBEN LOMOND ............................... BBENADUM ................................. C/DBENCHLEY .................................... DBEND .............................................. BBENDAHL ...................................... BBENDAVIS .....................................CBENDER ......................................... BBENDERLY .................................... ABENDOH ........................................ BBENEMES ...................................... ABENEVOLA .................................... CBENEWAH .....................................DBENFIELD ...................................... CBENITO .......................................... DBENKA ........................................... BBENKELMAN ................................. BBENKLIN ........................................ CBENMAN ........................................ CBENNDALE .................................... BBENNING ....................................... BBENRIDGE .................................... BBENSLEY ....................................... BBENSON ........................................ DBENSTOT ...................................... CBENTAXLE .................................... DBENTEEN ...................................... CBENTILLA ...................................... CBENTONSPORT ............................ BBENZ ..............................................DBEOR ............................................. DBEOWAWE .................................... BBEQUINN ....................................... BBERDA ........................................... BBERDUGO .....................................CBEREA ...........................................CBERGQUIST .................................. BBERGSTROM ................................ BBERGSVIK .....................................DBERLAND ...................................... DBERLIN .......................................... CBERMUDIAN .................................. BBERN .............................................. BBERNALDO ................................... BBERNARD ...................................... DBERNICE ....................................... ABERNOW ....................................... BBERON ...........................................DBERRAY ......................................... BBERRYHILL ................................... DBERRYMAN ................................... CBERTHAHILL ................................. BBERTHOUD ................................... BBERTOLOTTI ................................. BBERTRAND ................................... BBERVILLE .................................. B/DBERWOLF ...................................... BBERZATIC...................................... DBESHERM ...................................... CBESNER ......................................... BBESS ..............................................CBESSIE .......................................... DBESSLEN ....................................... DBESTPITCH ................................... DBESTROM ...................................... CBETHALTO .................................... BBETHANY ...................................... CBETHUNE ...................................... CBETIS ............................................. ABETRA ............................................ CBETTERAVIA .................................CBEULAH ......................................... BBEVERIDGE .................................. DBEVERLY ....................................... ABEVIER .......................................... CBEVIL ............................................. DBEVINGTON .................................. B

BEW ................................................ CBEWEARZE ................................... BBEWLEYVILLE .............................. BBEXAR ........................................... DBEZO .............................................. DBIAGGI ........................................... BBICKERDYKE ................................ DBICKETT ........................................ DBICKFORD ..................................... DBICKLETON ................................... BBICONDOA ................................ C/DBIDDLE ...................................... C/DBIDONIA ......................................... DBIDRIM ........................................... DBIEDELL ......................................... DBIEDSAW ....................................... DBIFFLE ........................................... BBIG TIMBER .................................. DBIGA ............................................... CBIGBEAVER .................................. CBIGBEE .......................................... ABIGBOW ......................................... BBIGBROWN ................................... CBIGCREEK ..................................... BBIGDRAW ...................................... CBIGDUTCH .................................... BBIGELOW ....................................... BBIGFOOT ....................................... CBIGFROG ....................................... DBIGGSVILLE .................................. BBIGHAT .......................................... DBIGHILL .......................................... BBIGLAKE ........................................ ABIGLICK ......................................... DBIGLOST ........................................ BBIGLOST, Wet ............................... CBIGPAW ......................................... BBIGPOOL ....................................... CBIGRIVER ...................................... BBIGSAG .......................................... DBIGSHEEP ..................................... BBIGWIN .......................................... CBIJORJA ......................................... CBIKEN ............................................. DBIKEYAH ........................................ CBILGER .......................................... DBILGRAY ........................................ CBILHAUL ........................................ DBILHIL ............................................ CBILLMAN ........................................ CBILLYBOY ...................................... BBILLYCREEK ................................. CBILLYHAW ..................................... DBILLYRIDGE .................................. BBILMOD .......................................... BBILSON .......................................... BBILTMORE ..................................... ABIMINI ............................................ CBIMMER ......................................... DBINDLE .......................................... BBINFORD ....................................... BBINGER .......................................... BBINGHAMPTON ............................ BBINGHAMVILLE ............................ DBINNSVILLE .................................. DBINS ............................................... BBINTON, Reclaimed ...................... BBINTON .......................................... CBINVAR .......................................... CBIPLANE ........................................ DBIPPUS .......................................... BBIRCHBAY ..................................... CBIRCHFIELD .................................. DBIRCHLAKE ................................... CBIRDSALL ...................................... DBIRDSBEAK ................................... DBIRDSVIEW ................................... ABIRKBECK ..................................... BBIRMINGHAM ................................ BBISBEE .......................................... ABISCAY .......................................... DBISCAYNE ................................. B/DBISCHOFF ..................................... BBISCUIT ..................................... B/DBISGANI ......................................... B

BISHOP .......................................... CBISON ............................................ BBISPING ......................................... BBISSETT ........................................ DBISSONNET .................................. DBIT .................................................. CBITCREEK ..................................... BBITCREEK LOAM .......................... BBITNER .......................................... CBITTER ........................................... BBITTERCREEK .............................. DBITTERROOT ................................ CBIVANS .......................................... DBIWABIK ........................................ ABIXBY ............................................. BBJORKLAND .............................. B/DBLACK CANYON ....................... C/DBLACKBURN ................................. BBLACKCREEK ............................... CBLACKDOG ................................... BBLACKFOOT ............................. B/CBLACKHAMMER ........................... BBLACKHOOF ................................. DBLACKHORSE ............................... DBLACKLAKE .................................. DBLACKLEG .................................... DBLACKMORE ................................. BBLACKMOUNT .............................. BBLACKNEST .................................. BBLACKOAR ................................ B/DBLACKPIPE ................................... CBLACKRIVER ................................ BBLACKSAN .................................... BBLACKSPAR .................................. DBLACKSPOT .................................. DBLACKTOP .................................... DBLACKWATER .............................. DBLACKWOOD ................................ BBLAG ..............................................DBLAGO ........................................... DBLAINEGATE ................................. DBLAIR ............................................. CBLAKABIN ...................................... CBLAKENEY .................................... DBLALOCK ....................................... DBLAMER ......................................... CBLANCA ......................................... BBLANCHE ...................................... BBLANCHESTER ........................ B/DBLANCOVERDE ............................ CBLAND ............................................ CBLANEY ......................................... BBLANKET ....................................... CBLANKOUT .................................... ABLANTON ...................................... BBLAPPERT .................................... DBLAQUIRRE .................................. CBLASE ............................................ CBLASHKE ....................................... ABLAYDEN ....................................... DBLAZEFORK .................................. DBLEAKHILL .................................... CBLEAKWOOD ................................ CBLEIBLERVILLE ............................ DBLEUMONT ................................... CBLEVINS ........................................ BBLEVINTON ................................... BBLEWETT ...................................... DBLICHTON ..................................... DBLIMO ............................................ BBLIND ............................................. BBLINDSPRING ............................... ABLINN ............................................. CBLINT ............................................. BBLISSHILL ..................................... CBLITZEN ......................................... CBLIZZARD ...................................... DBLOCKER ...................................... DBLOCKHOUSE .............................. DBLOCKTOWN ............................ C/DBLOOMFIELD ................................ ABLOOMING .................................... BBLOOMINGDALE .......................... DBLOOR ........................................... DBLOSSBERG ................................. C



BLUCHER ...................................... CBLUE EARTH ................................. DBLUE LAKE .................................... ABLUEAGLE .................................... BBLUEBIRD ..................................... CBLUECANYON .............................. DBLUECREEK ................................. DBLUEDOME ................................... CBLUEGULCH ................................. BBLUEHILL ...................................... CBLUEMASS .................................... DBLUENOSE .................................... BBLUERIM ....................................... CBLUESKY ....................................... DBLUESLIDE ................................... DBLUESTOCKING ........................... CBLUESTONE ................................. DBLUEWATER ................................. DBLUEWING .................................... BBLUEYE ......................................... CBLUFF ............................................ DBLUFFCREEK ............................... BBLUFFTON ................................ C/DBLUFORD ...................................... CBLUHOL ......................................... DBLULA ............................................ ABLUM .............................................. CBLY ................................................. BBLYBURG ...................................... BBLYTHE ......................................... DBOARDBURN ................................ BBOARDFLOWER ........................... CBOARDMAN ................................... DBOARDTREE ................................. CBOASH ........................................... DBOAZ .............................................. CBOBERT ..................................... B/CBOBILLO ........................................ BBOBKITTY ...................................... CBOBS .............................................. DBOBSGARDEN .............................. BBOBTAIL ........................................ CBOBTOWN ..................................... BBOCK ............................................. BBOCOX ........................................... DBODECKER ................................... BBODIFORD .................................... DBODORUMPE ................................ CBOEL .............................................. ABOEL, Overwash ........................... CBOERNE ........................................ BBOESEL, Protected ....................... BBOESEL ......................................... CBOGA ............................................. BBOGACHIEL .................................. ABOGAN ........................................... CBOGGIANO .................................... BBOGGS .......................................... CBOGGY .......................................... CBOGUE ........................................... DBOGUSCREEK .............................. BBOHICA .......................................... BBOHICKET ..................................... DBOHNA ........................................... BBOHNLY ......................................... DBOHNSACK ................................... BBOILER .......................................... CBOISE ............................................. BBOISTFORT ................................... BBOLACK ......................................... DBOLD .............................................. BBOLENT ......................................... ABOLES ............................................ CBOLES Loam Substratum ............ DBOLEY ............................................ DBOLFAR ..................................... B/CBOLICKER ..................................... BBOLIO ............................................. DBOLLIBOKKA ................................. DBOLLING ........................................ CBOLTON ......................................... BBOLTZ ............................................ CBOLUDO ........................................ DBOMAR .......................................... CBOMBAY ........................................ B

BONA ............................................. BBONAIR .......................................... DBONANZA ...................................... BBONAPARTE ................................. ABONDMAN ..................................... DBONDOE ........................................ BBONDUEL ...................................... CBONE ............................................. DBONFIELD ..................................... BBONFRI .......................................... CBONG ............................................. ABONHAM ........................................ DBONIDU .......................................... CBONIFAY ........................................ ABONJEA ......................................... DBONJON ......................................... BBONN ............................................. DBONNASH ...................................... BBONNEAU ...................................... ABONNEFEMME ............................. CBONNERDALE .............................. BBONNET ......................................... BBONNEVILLE ................................. ABONNICK ....................................... ABONOLDEN ................................... BBONSAI .......................................... DBONSALL ....................................... DBONWIER ...................................... CBONWIER ...................................... DBOOFUSS .................................. C/DBOOKOUT ..................................... CBOOKWOOD ................................. BBOOMSTICK .................................. DBOOMTOWN ................................. DBOONDOCK .................................. DBOONE ........................................... ABOONESBORO ............................. BBOONTLING .................................. CBOONVILLE ................................... DBOOTEN ........................................ BBOOTLAKE .................................... BBOOTS ....................................... A/DBOPLAIN ........................................ ABOQUILLAS ................................... CBORACHO ..................................... DBORAH ........................................... ABORCO .......................................... ABORDA ........................................... DBORDENGULCH ........................... BBORDERLINE ................................ BBOREA ........................................... DBOREALIS ..................................... DBOREHAM ................................. B/CBORFIN .......................................... CBORGEAU ..................................... BBORGES ........................................ DBORGSTROM ................................ BBORIANA ....................................... DBORID ............................................ DBORKY ........................................... CBORLAND ...................................... DBORNSTEDT ................................. CBORO ............................................. DBOROSAPRISTS ........................... DBORPARK ...................................... BBORREGO ..................................... DBORREGUERO ............................. CBORSKI .......................................... BBORUNDA ..................................... CBOSA .............................................. DBOSCO ........................................... BBOSKET ......................................... BBOSLAND ...................................... CBOSLER ......................................... CBOSO ............................................. DBOSONOAK ................................... CBOSQUE ........................................ BBOSQUEJO, Overwash ................ CBOSQUEJO ................................... DBOSSBURG ............................... C/DBOSTON ........................................ CBOSTRUM ..................................... DBOSTWICK .................................... BBOSVILLE ...................................... DBOSWELL ...................................... D

BOTETOURT ................................. CBOTHOMPEEK .............................. DBOTHWELL ................................... BBOTLEG ......................................... CBOTT .............................................. BBOTTINEAU ................................... BBOTTLE .......................................... CBOTTLEROCK ............................... CBOULDER POINT ......................... BBOULDIN ....................................... BBOULOGNE ............................... B/DBOUNCER ..................................... DBOUNDARY ................................... BBOURBON ..................................... BBOURNE ........................................ CBOUSIC .......................................... DBOWBAC ........................................ BBOWERS ........................................ CBOWERY ........................................ BBOWES .......................................... BBOWIE ............................................ BBOWLAKE ...................................... CBOWLUS ........................................ BBOWMAN ....................................... CBOWMANSVILLE ...................... B/DBOWNS .......................................... CBOWSTRING ............................. A/DBOX ................................................ ABOXELDER .................................... CBOXFORD ...................................... CBOXIRON ....................................... DBOXJOE ......................................... ABOXSPRING .................................. DBOXVILLE ...................................... CBOXWELL ...................................... BBOY ................................................ BBOYD ............................................. DBOYERLAKE ................................. CBOYKIN .......................................... BBOYLESTON ................................. BBOYLESTON, Gravelly Subsoil ... CBOYSEN ......................................... DBOZE .............................................. BBOZEMAN ...................................... BBRABAS ......................................... DBRABBLE ....................................... CBRACKETT .................................... CBRACOS ........................................ BBRADBOLDT ................................. BBRADCO ........................................ CBRADDALE .................................... BBRADEN ......................................... BBRADENTON ................................. DBRADER ......................................... DBRADFIELD ................................... CBRADGATE ................................... BBRADSON ...................................... BBRADWAY, Thawed ...................... CBRADWAY ..................................... DBRADY ........................................... BBRADYVILLE ................................. CBRAGG ........................................... CBRAGTON ...................................... DBRAILSFORD ................................ CBRAM ............................................. CBRAMAN ........................................ BBRAMARD ..................................... BBRAMLETT .................................... DBRANCHVILLE .............................. ABRANCROFT ................................. CBRAND ........................................... DBRANDENBERRY ......................... BBRANDENBURG ........................... ABRANDER ...................................... BBRANDON ..................................... BBRANDT ......................................... BBRANDYPEAK ............................... BBRANDYWINE ............................... ABRANFORD ................................... BBRANNAN ...................................... BBRANSCOMB ................................ BBRANSON ...................................... BBRANSTAD .................................... BBRANTLEY .................................... CBRANYON ...................................... D

BRASHEAR ................................... CBRASSFIELD ................................. BBRASSTOWN ................................ BBRATTON ...................................... BBRAUN ........................................... CBRAVO ........................................... BBRAWLEY ...................................... DBRAY ..............................................DBRAYS ........................................... CBRAZILTON ................................... DBRAZITO, Thck Surface ............... BBRAZITO, Saline-Alkali ................. CBREADLOAF .................................DBRECKEN ...................................... BBRECKENRIDGE ...................... B/DBRECKSVILLE .............................. CBREEDS ......................................... BBREHM ........................................... CBREIEN .......................................... BBREMER, Sandy Substratum ....... BBREMER ........................................ CBREMOND .....................................DBREMS ........................................... ABRENDA .........................................CBRENHAM .....................................CBRENNAN ...................................... BBRENNER ...................................... DBRENNYVILLE .............................. CBRENT, Dry ................................... ABRENT ........................................... DBRENTWOOD ............................... BBREQUITO .................................... BBRESSA .........................................CBREVATOR ................................... CBREVCO ........................................ BBREW ............................................. CBREWER ........................................ CBREWLESS ................................... CBREWTON .....................................CBREZNIAK .....................................DBRIABBIT ....................................... BBRICKHAVEN ................................ CBRICKMILL .................................... CBRICKTON .....................................CBRICKYARD .................................. DBRICO ............................................ CBRIDGECREEK ............................. CBRIDGER ....................................... CBRIDGESON .............................. C/DBRIERY .......................................... CBRIFOX .......................................... CBRIGGS .......................................... ABRIGHTON ................................ B/DBRIGHTWOOD .............................. BBRILEY ........................................... BBRILL .............................................. BBRILLIANT ..................................... BBRIMHALL ..................................... BBRIMLEY ........................................ CBRIMSON ....................................... CBRINGMEE .................................... BBRINKERHOFF ............................. DBRINKLOW .................................... BBRINNUM ................................... C/DBRIONES ....................................... BBRISBANE ..................................... BBRISCOT ................................... C/DBRISKY .......................................... DBRISTOL ........................................ ABRISTOW ....................................... DBRITTON ........................................ DBRITWATER .................................. BBROADHEAD ................................ DBROADHURST .............................. DBROADKILL ................................... DBROADLAND .................................CBROADUS ...................................... BBROADWATER ............................. ABROADWAY .................................. BBROADWELL ................................. BBROBETT ...................................... CBROCKATONORTON ................... DBROCKET ...................................... CBROCKGULCH .............................. BBROCKLISS ................................... B



BROCKMAN ................................... CBROCKO ........................................ BBROCKPORT ................................ DBROCKROAD ................................ CBROCKSBURG.............................. BBROCKWAY .................................. BBROCKWELL ................................. BBRODALE ...................................... CBRODEER ...................................... BBRODY ........................................... CBRODYK ........................................ BBROE ............................................. BBROGAN ........................................ BBROGDON ..................................... BBROKENFINGER .......................... BBROKENHORN ............................. DBROKIT .......................................... CBROLAND ...................................... DBROMAGLIN .................................. BBROMER ........................................ CBROMIDE ....................................... BBROMO .......................................... BBRONELL ....................................... BBRONSON ..................................... BBRONTE ......................................... CBROOKE ........................................ DBROOKLINE .................................. BBROOKSHIRE ............................... CBROOKSVILLE .............................. DBROOME........................................ BBROPHY .................................... A/DBROSE ........................................... DBROSELEY .................................... BBROUGHTON ................................ DBROUILLETT ................................. CBROWARD ..................................... CBROWER ....................................... BBROWNBEAR ................................ BBROWNDELL ................................ DBROWNELL ................................... BBROWNFIELD ............................... ABROWNSBURG ............................. BBROWNSCOMBE .......................... CBROWNSCREEK .......................... BBROWNSDALE.............................. CBROWNSTONE ............................. BBROWNSTOWN ............................ BBROWNSVILLE ............................. CBROWNTON .............................. C/DBROXON ........................................ BBRUBECK ...................................... DBRUCE ....................................... B.DBRUELLA ....................................... BBRUELLA, Hard Substratum ........ CBRUFFY ......................................... BBRUHEL ......................................... BBRUJA ............................................ BBRULE ............................................ CBRUNEEL ...................................... DBRUNELDA .................................... DBRUNSWICK ................................. BBRUSHCREEK .............................. CBRUSHER ...................................... BBRUSHTON ................................... BBRUSHY ......................................... BBRUSSELS .................................... CBRYARLY ....................................... DBRYDE ........................................... CBRYDEN ......................................... CBRYSTAL ....................................... BBRYWAY ........................................ CBTREE ............................................ CBUB ................................................ DBUCAN ........................................... DBUCCANEER ................................. DBUCHEL ......................................... DBUCHENAU ................................... BBUCKBAY ...................................... CBUCKBERT .................................... BBUCKBOARD ................................ BBUCKCREEK ................................. CBUCKEAR ...................................... DBUCKETLAKE ............................... BBUCKEYE ...................................... CBUCKHALL .................................... B

BUCKHILL ...................................... BBUCKHOUSE ................................ BBUCKING ....................................... ABUCKINGHAM ............................... CBUCKLAKE .................................... DBUCKLE ......................................... BBUCKLICK ..................................... BBUCKMAN .....................................DBUCKMEN ..................................... BBUCKNDOE ................................... BBUCKNEY ...................................... BBUCKROCK ................................... DBUCKSHOT ................................... BBUCKSKIN .....................................CBUCKTON ...................................... BBUCKWILDER ............................... DBUCYRUS ...................................... CBUDE ..............................................CBUENA VISTA ............................... BBUFALO ......................................... BBUFFCREEK ................................. BBUFFMEYER ................................. BBUFFSTAT, Channery .................. BBUFFSTAT .....................................CBUFORD ........................................ BBUGCREEK ................................... DBUGLEY ..................................... C/DBUHL ..............................................CBUHLER .........................................DBUHRIG.......................................... BBUICK ............................................. CBUKO ............................................. BBUKO, Wet .....................................CBUKREEK ...................................... BBULADEAN .................................... BBULGRAN ...................................... DBULL RUN...................................... BBULL RUN, Hardpan ..................... CBULLARDS .................................... BBULLFLAT...................................... BBULLFOR ....................................... CBULLGULCH .................................. CBULLIS ...........................................DBULLOCK ....................................... CBULLTOWN ................................... BBULLVARO .................................... BBULLVILLE .................................... BBULLWINKLE ................................DBULLY ............................................ BBULOW .......................................... ABUMBOB ........................................ CBUNANCH ...................................... CBUNCELVOIR ................................DBUNCETON ................................... CBUNCHPOINT ............................... CBUNCOMBE................................... ABUNDORA ..................................... BBUNDORF ...................................... DBUNDY ...........................................CBUNDYMAN ................................... CBUNGALOW .................................. DBUNKER ......................................... BBUNKERHILL .................................DBUNKUM ........................................ CBUNKY ...........................................CBUNNELL ....................................... BBUNSELMEIER ............................. BBUNTING ....................................... ABUNTINGVILLE ............................. CBUNTLINE...................................... DBUNYAN ......................................... BBURCHAM ..................................... BBURCO ...........................................DBUREN ...........................................CBURFORD ...................................... CBURGET .........................................DBURGRAFF .................................... BBURKEMONT ................................CBURKETOWN ................................CBURKEVILLE .................................DBURLESON ................................... DBURLINGTON ................................ ABURMAN ........................................ CBURNBOROUGH .......................... BBURNEL .........................................C

BURNEY ......................................... BBURNSCREEK .............................. BBURNSIDE ..................................... BBURNSVILLE ................................. BBURNSWICK ................................. BBURNT LAKE ................................. ABURNTCREEK .............................. DBURNTHILL ................................... BBURNTRIVER ................................ BBURPEAK ...................................... BBURR ............................................. DBURRANT ...................................... BBURRFOOT ................................... BBURROWSVILLE .......................... CBURSLEY ....................................... DBURSON ........................................ CBURSTEADT ................................. BBURWELL ...................................... CBURWILL ....................................... CBUSACCA ...................................... CBUSHMAN ..................................... BBUSHNELL .................................... CBUSHONG ..................................... CBUSHVILLE ................................... CBUSSY ........................................... CBUSTER ......................................... BBUSTERBACK ............................... BBUSTI ............................................. CBUSYWILD .................................... BBUTANO ......................................... CBUTCHERKNIFE ........................... CBUTLER ......................................... DBUTLERTOWN .............................. CBUTTECREEK ............................... BBUTTERMILK ................................ BBUTTERS ....................................... BBUTTONCREEK ............................ BBUXIN ............................................. DBUZZTAIL ...................................... DBYBEE ............................................ DBYGLAND ...................................... CBYINGTON .................................... CBYLER ............................................ CBYRAM ........................................... CBYWELL ......................................... DCABINET ........................................ CCABLON ......................................... BCABO ROJO .................................. CCABOOL ......................................... BCABOOSE ...................................... BCABRILLO ...................................... CCABSTON ...................................... BCACHEBUTTE ............................... BCACHECAN ................................... CCACHECREEK .............................. BCACIQUE ....................................... DCACTUSFLAT ................................ CCADDO ........................................... DCADELAKE .................................... DCADELL ......................................... DCADEVILLE ................................... DCADILLAC ...................................... ACADIZ ............................................. BCADMUS ........................................ BCADOMA ........................................ CCADOTTE ...................................... BCAESAR ......................................... ACAFETAL ....................................... BCAFFEY ......................................... CCAGAS ........................................... CCAGEY ........................................... CCAHABA ......................................... BCAHONA ........................................ BCAID ............................................... BCAINHOY ....................................... ACAIRN ............................................ BCAJALCO ....................................... CCAJON ........................................... BCALABAR ....................................... DCALABASAS .................................. BCALAMINE ..................................... DCALAMITY ..................................... DCALAMUS ...................................... ACALAWAH ...................................... BCALCIO .......................................... A

CALD ..............................................CCALDER ......................................... DCALDERWOOD ............................. DCALDWELL ................................ B/CCALEAST ....................................... CCALEDONIA .................................. BCALENDAR .................................... CCALERA ......................................... CCALFRANCH ................................. BCALHI ............................................. BCALICOTT ...................................... ACALICREEK ................................... BCALKINS ........................................ CCALLA ............................................ BCALLABO ....................................... CCALLADITO ................................... ACALLAN ......................................... CCALLEGUAS .................................. DCALLISBURG ................................ CCALLISON ...................................... CCALNAT ......................................... CCALNEVA ....................................... CCALODO ........................................ CCALOOSA ...................................... CCALPEAK ....................................... DCALROY ......................................... BCALVERTON ................................. CCALVISTA ...................................... DCALWOODS .................................. DCALZACORTA ............................... DCAMAC ........................................... CCAMAGUEY ................................... DCAMARGO ..................................... BCAMARILLO .............................. B/CCAMASCREEK .............................. DCAMATTA ...................................... DCAMBARGE ................................... BCAMBERN ..................................... CCAMILLUS ..................................... BCAMMASPATCH ........................... DCAMOCCA ................................. A/DCAMPAIR ....................................... CCAMPANA ...................................... BCAMPANILE .................................. CCAMPBELL ................................ B/CCAMPBELLTON ............................ CCAMPCREEK ................................ CCAMPFOUR ................................... BCAMPIA .......................................... BCAMPONE ..................................... CCAMPRA ........................................ BCAMPSPASS ................................. BCAMPSPASS, Deep ...................... CCAMPTOWN .................................. DCAMPUS ........................................ BCAMPWOOD ................................. DCAMRODEN .................................. CCANA ..............................................CCANADIAN ..................................... BCANAL ............................................ CCANALOU ...................................... BCANASERAGA .............................. CCANCIENNE .................................. CCANDELERO ................................. CCANDERLY .................................... BCANDLESTICK .............................. CCANE ..............................................CCANEADEA ................................... DCANEEK ......................................... BCANELO ......................................... DCANEST ......................................... DCANEYHEAD ................................. CCANEZ ........................................... BCANISTEO ..................................... DCANIWE ......................................... BCANLON ......................................... DCANMER ........................................ BCANNELL ....................................... BCANNING ....................................... BCANNON ........................................ BCANONEROS ................................ DCANOSIA ....................................... CCANOVA .................................... B/DCANQUYA ...................................... DCANTALA ....................................... B



CANTEEN ...................................... BCANTINA ........................................ CCANTLIN ........................................ ACANTON BEND ............................. CCANTRIL ........................................ BCANTUA ......................................... BCANTUCHE ................................... DCANWALL ...................................... CCANYADA ...................................... DCANYONCREEK ........................... BCANYOUNG ................................... BCAPA .............................................. DCAPAC ........................................... CCAPE .............................................. DCAPE FEAR ................................... DCAPEBLANCO ............................... BCAPEHORN ................................... DCAPERS ......................................... DCAPERTON ................................... DCAPHEALY .................................... BCAPISTRANO ................................ BCAPITAN ........................................ DCAPLEN ......................................... DCAPLES ..................................... C/DCAPOOSE ...................................... CCAPPS ........................................... BCAPSHAW ..................................... CCAPSUS ......................................... DCAPTIVA .................................... B/DCAPTOM ........................................ BCARACARA ................................... CCARACOLES ................................. DCARADAN ...................................... DCARALAMPI .................................. CCARAMON ..................................... CCARBENGLE ................................. BCARBERRY ................................... BCARBIKA ........................................ DCARBINE ....................................... DCARBONDALE .......................... A/DCARBONTON ................................ CCARDENAS ................................... DCARDIFF ........................................ BCARDINAL ..................................... BCARDINGTON ............................... CCARDON ........................................ DCARDSOUND ................................ DCAREFREE .................................... DCARETT ......................................... BCAREY LAKE ................................. BCARFALL ....................................... BCARGENT ...................................... BCARGILL ........................................ CCARIB ............................................. DCARIBEL ........................................ BCARIBOU ....................................... BCARIBOURIDGE ........................... BCARIOCA ....................................... BCARIS, High Rainfall ..................... BCARIS ............................................. CCARLAIN ........................................ BCARLIN .......................................... DCARLITO ........................................ DCARLOS ..................................... A/DCARLOTTA .................................... BCARLSBAD .................................... CCARLSBORG ................................. ACARLSON ...................................... BCARLSTROM ................................. CCARLTON ...................................... CCARMAN ........................................ BCARMEL ......................................... CCARMI ............................................ BCARMINE ....................................... CCARMODY ..................................... CCARNEGIE .................................... CCARNERO ..................................... CCAROLINE ..................................... CCAROLLO ...................................... DCARON ....................................... A/DCARPENTERVILLE ....................... DCARRACAS ................................... DCARRCREEK ................................. BCARRI ............................................ BCARRICK ....................................... C

CARRIZALES ................................. ACARROLLTON ............................... CCARRWASH .................................. ACARSITAS ..................................... BCARSTAIRS ................................... ACART .............................................. BCARTAGENA ................................. DCARTER ......................................... DCARTERET .................................... DCARTERSVILLE ............................ DCARTHAGE ................................... BCARTWRIGHT ............................... BCARVER ......................................... ACARVIX .......................................... BCARWALKER ................................ CCARWAY ........................................ DCARWILE ....................................... DCARYTOWN .................................. DCASABONNE ................................. BCASAMERO ................................... DCASCILLA ...................................... BCASE .............................................. BCASEY ........................................... DCASEYLAKE .................................. BCASEYVILLE ............................. B/CCASHEL ......................................... CCASHIERS ..................................... BCASHNER ...................................... CCASITO .......................................... DCASLO ....................................... C/DCASPIANA ..................................... BCASSAL ......................................... BCASSIA ...................................... B/CCASSIDAY ..................................... CCASSOLARY ................................. CCASSOPOLIS ................................ BCASTAIC ........................................ CCASTAN ......................................... ACASTANA ...................................... BCASTANEDA ................................. CCASTEE ......................................... BCASTELL ....................................... CCASTELLEIA ................................. BCASTEPHEN ................................. CCASTILE ........................................ BCASTLE ......................................... DCASTLEPEAK ................................ ACASTLEROCK ............................... BCASTLEROCK ............................... DCASTLEWOOD.......................... C/DCASTO ........................................... CCASTROVILLE .............................. BCASVARE ...................................... DCASWELL ...................................... BCATALINA ...................................... BCATALPA ....................................... CCATANO ......................................... ACATARACT .................................... BCATAULA ....................................... BCATELLI ......................................... BCATH .............................................. CCATHARPIN .................................. CCATHEEN ...................................... BCATHERINE .................................. CCATHLAMET ................................. BCATILLA ......................................... BCATLA ............................................ DCATNIP .......................................... DCATPOINT ..................................... ACATTCREEK ................................. ACATTO ........................................... DCAULEY ......................................... BCAUSEWA ..................................... CCAVANAUGH ................................ CCAVENDISH .................................. BCAVERNS ...................................... BCAVINESS ..................................... BCAVO ............................................. DCAX ................................................ BCAYAGUA ...................................... CCAYO ............................................. BCAYUGA ........................................ CCAYUSE ......................................... BCAZADERO ................................... CCEBOLIA ........................................ C

CEBONE ........................................ CCEBOYA ......................................... CCEDAR BUTTE .............................. DCEDARAN ...................................... DCEDARBLUFF ............................... CCEDARCREEK .............................. CCEDARFALLS ................................ ACEDARGROVE .............................. BCEDARLAKE ................................. DCEDARPASS ................................. BCEDARROCK ................................ DCEDARTOWN ................................ ACEDONIA ....................................... BCEDRIC .......................................... DCEDVAR ......................................... BCEEBEE ......................................... BCEEJAY ......................................... DCEEK ..............................................CCELACY ......................................... CCELAVAR ....................................... BCELAVAR, Loamy Surface ........... CCELESTE ....................................... DCELETON ...................................... DCELINA .......................................... CCELIO ............................................. CCELT ..............................................CCENCOVE ...................................... BCENIZA .......................................... BCENTENARY ................................. ACENTENNIAL ................................ CCENTER ......................................... CCENTER CREEK ........................... ACENTERBURG .............................. CCENTERVILLE, Gravelly Substra-tum .................................................. BCENTERVILLE .............................. DCENTISSIMA ................................. BCENTRALIA ................................... BCENTRALPEAK ............................. CCERBAT ......................................... DCERP .............................................. BCERROCOSO ................................ BCESARIO ....................................... CCESSNA ......................................... BCESTNIK ........................................ CCETRACK ...................................... BCETREPAS .................................... DCEWAT ........................................... CCHABENEAU ................................. BCHACON ........................................ DCHACUACO ................................... CCHAD ............................................. CCHAFFEE ....................................... DCHAGRIN ....................................... BCHAIN ............................................ CCHAINLINK .................................... DCHAIRES ....................................... DCHALKCREEK ............................... BCHALKFORD ................................. BCHALKHILL .................................... CCHALKVILLE ................................. DCHALLENGER ............................... BCHALLENGER, Alkali ................... DCHALLIS ........................................ CCHALMERS ............................... B/DCHAMA ........................................... CCHAMATE ...................................... BCHAMBEAM ................................... BCHAMBERLAIN ............................. BCHAMITA ....................................... CCHAMOKANE ................................ CCHAMPLAIN .................................. ACHANAC ........................................ BCHANCELLOR ............................... CCHANNAHON ................................ DCHANTIER ..................................... DCHANYBUCK ................................. DCHAPANOKE ................................. CCHAPARRAL ................................. BCHAPEL ......................................... DCHAPETT ....................................... BCHAPPELL .................................... ACHAPPUIS ..................................... CCHARBONO ................................... BCHARCO ........................................ C

CHARDOTON ................................ CCHARDOTON, Hardpan ............... DCHARETTE .................................... CCHARGO ........................................ DCHARITON .................................... CCHARITY ........................................ DCHARLEBOIS ............................ B/CCHARLESTON ............................... CCHARLOS .................................. B/DCHARLOTTE ............................. B/DCHARNOCK, Moderately Wet ...... BCHARNOCK ................................... CCHARTERS ................................... BCHARWELL ................................... DCHATBURN ................................... BCHATCOLET ................................. BCHATHAM ...................................... BCHATT ............................................ CCHATTERDOWN ........................... BCHATTERTON ............................... ACHATTICUP ................................... DCHATUGE ...................................... DCHAUMONT ................................... DCHAUNCEY ................................... CCHAUTAUQUA .............................. CCHAVIES ........................................ BCHAWANAKEE .............................. CCHAZNER ...................................... CCHAZOS .........................................CCHAZY ........................................... CCHEAHA .........................................DCHECKER ...................................... CCHEDATNA ................................... BCHEDESKI ..................................... BCHEDSEY ...................................... CCHEEKTOWAGA ........................... DCHEESEMAN ................................ BCHEESEMAN, Loamy Surface ..... CCHEETHAM ................................... BCHEHALEM ................................... CCHEHULPUM ................................ DCHEKIKA ........................................ DCHELINA ........................................ BCHELMO ........................................ DCHEMAWA ..................................... BCHEME ........................................... DCHENA ........................................... ACHENAULT .................................... BCHENEGA ...................................... ACHENOA ........................................ BCHENOWETH ................................ BCHEOAH ........................................ BCHEOSA ........................................ DCHEQUEST ................................... CCHEROKEE ................................... DCHERRYCREEK ........................... BCHERRYHILL ................................ BCHESANING .................................. BCHESBROOK ................................ DCHESNIMNUS ............................... BCHESTATEE .................................. BCHESTERTON .............................. DCHESTOA ...................................... BCHESTONIA .................................. DCHETASLINA ................................. BCHETCO ........................................ DCHETEK ......................................... BCHETOMBA ............................... B/DCHEVAL .........................................CCHEW ............................................. BCHEWACK ..................................... BCHEWAUCAN ................................ CCHEWELAH ................................... CCHEYENNE ................................... BCHIA ............................................... DCHIC ............................................... BCHICANE ....................................... CCHICHAGOF .................................. DCHICHANTNA ................................ DCHICKAMAN .................................. BCHICKASAW .................................CCHICKASHA .................................. BCHICO ............................................ BCHICOLETE ................................... CCHICONE ....................................... D



CHICOTE ....................................... DCHIDAGO ....................................... ACHIEFLAND ................................... BCHIGLEY ........................................ CCHILAO .......................................... CCHILCOTT ..................................... CCHILDS .......................................... BCHILGREN ..................................... CCHILHOWEE ................................. BCHILICOTAL .................................. BCHILLICOTHE ............................... BCHILLIGAN .................................... BCHILLUM ........................................ BCHILLYBU ...................................... DCHILOQUIN ................................... DCHILSON ....................................... DCHIMAY .......................................... DCHIME ............................................ CCHIMINET ...................................... DCHIMNEY ....................................... ACHIMNEYROCK ............................ BCHINA ............................................ DCHINABUTTE ................................ DCHINAHAT ..................................... BCHINCAP ....................................... BCHINCOTEAGUE .......................... DCHINDE .......................................... CCHINHILL ....................................... BCHINIAK ......................................... ACHINKLE ........................................ DCHINLINI ........................................ BCHINO ........................................ B/CCHINVAR ....................................... CCHINWHISKER ............................. ACHIPENDALE ................................ DCHIPENHILL .................................. DCHIPLEY ........................................ CCHIPOLA ........................................ ACHIPPENY ..................................... DCHIRENO ....................................... DCHISMORE .................................... DCHISOLM ....................................... ACHISPA .......................................... BCHISTNA ........................................ BCHISTOCHINA .............................. BCHITA ............................................. BCHITINA ......................................... BCHITTUM ....................................... CCHITWOOD ................................... DCHIVATO ....................................... CCHIVATO, Elevation>8000 ........... DCHIWAUKUM ................................. BCHIWAWA ...................................... BCHO ................................................ CCHOATES ...................................... CCHOCCOLOCCO .......................... BCHOCK ........................................... DCHOCKTOOT ................................ BCHOCORUA .................................. DCHOICE .......................................... DCHOKE ........................................... BCHOOP .......................................... DCHORALMONT.............................. ACHOSKA ........................................ BCHOTEAU ...................................... CCHOWAN ....................................... DCHRIS ............................................ CCHRISHALL ................................... BCHRISMAN .................................... DCHRISTIANA ................................. CCHRISTIANBURG ......................... CCHRISTINE .................................... DCHRISTOFF ................................... CCHRISTY ........................................ CCHROME........................................ CCHRYSLER .................................... CCHUBBFLAT .................................. CCHUCKANUT ................................. BCHUCKRIDGE ............................... DCHUCKRIVER ............................... DCHUFFA ......................................... BCHUGCREEK ................................ CCHUGTER ...................................... BCHUICHU ....................................... DCHUIT ............................................. B

CHUMMY ....................................... DCHUNILNA .....................................DCHUNKMONK ................................CCHUPE ........................................... ACHURCH ........................................ DCHURCH SPRINGS ...................... BCHURCHVILLE .............................. DCHURUBUSCO ............................. DCHUTE ........................................... ACHUTUM ........................................ BCIALES ...........................................DCIBEQUE ....................................... BCID .................................................. CCIDERMILL .................................... BCIDRAL .......................................... CCIENEGA ....................................... BCIENO ............................................ DCIERVO .......................................... CCIFIC ..............................................CCINCO ............................................ ACINDERHURST ............................. DCINNAMON BAY ........................... BCINTRONA .................................... DCIRCLE .......................................... BCIRCLEBACK ................................ ACIRCLEBAR ................................... CCIRCLEVALLEY ............................ BCIRCULAR ..................................... BCISCO ............................................ BCISPUS .......................................... BCITICO ........................................... BCITRONELLE .................................DCITYPOINT ................................ A/DCLACKAMAS .................................DCLAMP ...........................................DCLANA ............................................ ACLANALPINE .................................CCLAPHAM ...................................... CCLARA ........................................ B/DCLARA ............................................ DCLARENA ...................................... BCLARENCE .................................... DCLARENDON .................................CCLARESON ................................... CCLAREVILLE .................................CCLARITA ........................................ DCLARK ............................................ BCLARKIA ........................................ CCLARKRANGE .............................. CCLARKSDALE ............................... CCLARKSTONE ............................... BCLAUNCH ...................................... BCLAVERACK .................................CCLAYBANKS .............................. C/DCLAYCREEK .................................CCLAYHAM ...................................... BCLAYHOLE .................................... BCLAYSVILLE .................................. CCLAYTON ...................................... BCLE ELUM .....................................CCLEARCREEK ............................... DCLEARFORK .................................DCLEARLINE ................................... BCLEARRIVER ................................ BCLEARVIEW .................................. BCLEAVMOR ................................... DCLEGHORN ................................... CCLEMENTINE ............................ B/CCLEMVILLE ................................... BCLENAGE ...................................... CCLENDENEN .................................DCLEONE ......................................... BCLEORA ......................................... BCLERGERN ................................... BCLERMONT ................................... DCLEVELAND .................................. CCLEVESCOVE ............................... BCLEYMOR ...................................... BCLICK ............................................. ACLIFF .............................................. BCLIFFDELL .................................... BCLIFFIELD ..................................... BCLIFFORD .....................................CCLIFFSIDE ..................................... BCLIFTY ........................................... B

CLIMAX .......................................... DCLINE ............................................. DCLINEFALLS .................................. ACLINETOP ..................................... DCLINGMAN .................................... DCLINKENBEARD ........................... DCLIPPER .................................... C/DCLIQUOT ....................................... CCLITHERALL ................................. BCLODINE ....................................... DCLOQUALLUM .............................. CCLOQUET ...................................... BCLOSKEY ...................................... CCLOTHO ..................................... C/DCLOUD PEAK ................................ BCLOUDCROFT .............................. DCLOUDLAND ................................. CCLOUDLESS ................................. CCLOUGH ........................................ DCLOVELLY ..................................... DCLOVER SPRINGS ....................... BCLOVERCREEK ............................ CCLOWERS ..................................... BCLOWERS ................................. B/CCLOWFIN ....................................... BCLOYD ........................................... DCLUBCAF ....................................... DCLUNIE .......................................... DCLUNTON ...................................... DCOACHELLA ............................. B/CCOAHUILA ..................................... BCOALDALE .................................... DCOALDRAW ................................... DCOALGATE .................................... DCOAMO .......................................... CCOARSEGOLD .............................. CCOARSEWOOD ............................ BCOATSBURG ................................ DCOBATUS ...................................... CCOBB ............................................. BCOBBLANK .................................... DCOBEN ........................................... DCOBERLY ...................................... BCOBERLY, Low Rainfall ............... CCOBEY ........................................... BCOBLENTZ .................................... CCOBLYNN ...................................... BCOBOC .......................................... CCOBRE ........................................... CCOBSTONE ................................... BCOCHINA ....................................... DCOCHRAN ..................................... CCOCKSCOMB ................................ CCOCOA .......................................... ACOCODRIE .................................... CCOCOLALLA .............................. C/DCOCONINO .................................... BCOD ................................................ BCODORUS ..................................... CCODQUIN ...................................... DCODYLAKE .................................... BCOE ................................................ ACOESSE ..................................... C/DCOFF .............................................. CCOFFEE ......................................... BCOFFEEN ...................................... BCOFFEEPOT ................................. BCOFFTON ...................................... BCOGHILL ........................................ CCOGLIN .......................................... CCOHAGEN ..................................... CCOHAGEN, Cool ........................... DCOHAS ........................................... CCOHOE .......................................... BCOILE ............................................. DCOILS ............................................. CCOIT ............................................... DCOKATO ........................................ BCOKEDALE ................................ C/DCOKER ........................................... DCOKEVILLE ................................... BCOLBE ........................................... DCOLBERT ...................................... DCOLBURN ...................................... CCOLDENT ...................................... C

COLDSPRING ............................... BCOLEMAN ...................................... CCOLEMANTOWN ...................... C/DCOLEPOINT .................................. BCOLERIDGE .................................. CCOLFAX ......................................... CCOLFER ......................................... ACOLHILL ........................................ BCOLIBRO ....................................... BCOLINAS ........................................ BCOLLEGECREEK .......................... BCOLLETT ................................... C/DCOLLIER ........................................ ACOLLINGTON ................................ BCOLLINS ........................................ CCOLLISTER ................................... BCOLMA ........................................... BCOLNEVEE .................................... BCOLOMEX ..................................... BCOLONVILLE ................................. CCOLORADO ................................... BCOLOROCK ................................... DCOLOROW .................................... BCOLPIEN ........................................ BCOLSAVAGE ................................. CCOLUMBINE .................................. ACOLUMBUS ................................... CCOLUSA ......................................... CCOLVARD ...................................... BCOLVILLE .................................. C/DCOLY .............................................. BCOLYELL ....................................... CCOLYER ......................................... DCOMAR .......................................... CCOMBE .......................................... BCOMBEST ...................................... BCOMBS .......................................... BCOMER .......................................... BCOMETCRIK .................................. DCOMFORT ..................................... DCOMFREY ..................................... DCOMITAS ....................................... ACOMO ............................................ ACOMPASS ..................................... BCOMSTOCK ................................... CCOMUS .......................................... BCONA ............................................. CCONABY .................................... B/DCONALB ......................................... BCONANT ........................................ CCONATA ......................................... DCONBOY ........................................ DCONCEPCION ............................... DCONCHAS ..................................... CCONCHOVAR ................................ CCONCORD ..................................... DCONCORDIA ................................. DCONDA ........................................... DCONDIDO ...................................... DCONDIT .......................................... DCONDON ........................................ CCONECUH ..................................... DCONETOE ...................................... ACONEWARD .................................. ACONGAREE ................................... BCONGLE ........................................ BCONICAL ....................................... BCONLEN ......................................... BCONLEY ......................................... CCONNAH ........................................ DCONNERIDGE ............................... CCONNET ........................................ DCONOSTA ...................................... CCONOTTON ................................... BCONOVER ..................................... CCONOWINGO ................................ CCONPEAK ...................................... DCONQUISTA .................................. DCONRAD .................................... A/DCONSEJO ...................................... CCONSER ........................................ DCONSTABLE ................................. ACONSTANCE ................................. DCONSTANCIA ................................ DCONSUMO ..................................... B



CONTACT ...................................... ACONTEE ......................................... DCONTENTION ............................... DCONTIDE ....................................... BCONTO ........................................... BCONVENT ...................................... CCOOERS ........................................ BCOOKCAN ..................................... DCOOLBRITH .................................. CCOOLVILLE ................................... CCOOMBS ........................................ BCOONSKIN .................................... CCOOPER ........................................ BCOOPMONT .................................. BCOOSAW ....................................... BCOOSCANYON ............................. BCOOT ............................................. BCOOTER ........................................ CCOPALIS ........................................ CCOPANO ........................................ DCOPASTON ................................... DCOPEAK ......................................... CCOPELAND ............................... B/DCOPELAND, Depressional ........... DCOPENHAGEN .............................. DCOPITA .......................................... BCOPPER RIVER ............................ DCOPPERBASIN ............................. DCOPPERCAN ................................ DCOPPERCREEK ........................... BCOPPEREID .................................. DCOPPERFIELD .............................. BCOPPLER ...................................... ACOPUS ........................................... CCOQUAT ........................................ DCORA ............................................. DCORAL ........................................... CCORAZONES ................................ ACORBIN .......................................... BCORBLY ......................................... ACORCEGA ..................................... CCORDALE ...................................... BCORDELL ...................................... DCORDES ........................................ BCORDOVA ................................. C/DCORDY ........................................... BCORIFF ...................................... B/DCORINTH ....................................... CCORKSTONE ................................ DCORLENA ...................................... ACORLETT ....................................... ACORLEY ..................................... B/DCORLISS ........................................ ACORNELIA ..................................... ACORNELIUS .................................. CCORNHILL ..................................... BCORNICK ....................................... DCORNVILLE ................................... BCORNWALL ................................... CCOROLLA ...................................... DCORONA ........................................ BCORONACA ................................... BCOROZAL ...................................... CCOROZO ........................................ ACORRALCREEK ............................ CCORRALITOS, Silty Substratum .. BCORRALITOS, Clayey SubstratumCCORRALRIDGE ............................. BCORRIGAN .................................... DCORSAIR ....................................... ACORSICA ................................... C/DCORTA ........................................... DCORTADA ...................................... BCORTARO ..................................... DCORTELYOU ................................. DCORTINA ....................................... ACORUM .......................................... CCORVUSO ................................. C/DCORWITH ...................................... BCORY ............................................. CCORZUNI ....................................... BCOSAD ........................................... CCOSH ............................................. CCOSLAW ........................................ DCOSMOS .................................... C/D

COSPERVILLE .............................. CCOST .............................................. DCOSTAVAR ................................... DCOTEAU ......................................... CCOTHA ........................................... CCOTITO .......................................... BCOTO ............................................. BCOTT .............................................. BCOTTER ......................................... BCOTTON ........................................ CCOTTONBEND .............................. BCOTTONEVA ................................. CCOTTONTHOMAS ........................ BCOTTONWOOD ............................ CCOTTREE ...................................... BCOTTRELL .................................... CCOTULLA ....................................... DCOUGARBAY ................................ DCOUGHANOUR ............................. CCOULTERVILLE ............................ DCOUNTRYMAN ............................. CCOUNTS ........................................ DCOUPEE ........................................ BCOUPEVILLE ............................. C/DCOURSEY ...................................... CCOURT ........................................... BCOURTNEY ................................... DCOURTOIS .................................... BCOURVASH ................................... BCOUSE ........................................... CCOVEDALE .................................... BCOVEGAP ...................................... BCOVELAND ............................... C/DCOVERTFALLS ............................. CCOVILLE ........................................ BCOVING ......................................... CCOVINGTON ................................. DCOWAN .......................................... ACOWBONE .................................... DCOWCREEK .................................. BCOWCREEK, Protected ................ CCOWDEN ....................................... DCOWEEMAN .................................. DCOWHORN .................................... BCOWSPRING ................................. BCOWTRACK .................................. ACOX ................................................ DCOXIT ............................................. BCOXLAKE ...................................... DCOXRANCH ................................... CCOXVILLE ...................................... DCOXWELL ...................................... CCOY ................................................ DCOYANOSA ................................... DCOYATA ......................................... CCOYNE ........................................... BCOYOTE ........................................ ACOZETICA ..................................... ACOZY .............................................. CCRABCREEK ................................. BCRABTREE .................................... CCRACKER ...................................... DCRACKERCREEK ......................... BCRACKLER .................................... BCRADLEBAUGH ............................ DCRAFTON ...................................... CCRAGGEY, Organic Surface ........ ACRAGGEY ..................................... DCRAIG ............................................ BCRAIGEN ....................................... BCRAMER ........................................ CCRAMONT ..................................... CCRANECREEK .............................. CCRANFILL ...................................... BCRANNLER ................................... BCRANSTON ................................... BCRASH ........................................... BCRATER LAKE .............................. BCRATERMO ................................... CCRAVEN ......................................... CCRAWFISH .................................... DCRAWFORD .................................. DCRAWLEY ...................................... DCRAWLEYVILLE ........................... BCREASEY .................................. C/D

CREDO ........................................... BCREEDMOOR ............................... CCREEL ............................................ CCREFORK ...................................... CCREOLE ......................................... DCRESAL ......................................... BCRESKEN ...................................... BCRESPIN ....................................... CCRESS ........................................... ACRESSLER .................................... DCREST ........................................... CCRESTMEADE .............................. DCRESTVALE .................................. CCRESTWAY ................................... BCREVA ........................................... DCREVISCREEK ............................. CCREX .............................................. BCRIMS ............................................ DCRINKER ....................................... CCRISFIELD .................................... BCRISPIN ......................................... CCRITCHELL ................................... BCRITTENDEN ................................ BCROCAMP ..................................... BCROCAN ........................................ DCROCKETT .................................... DCROFLAND ................................... CCROFTSHAW ................................ BCROGHAN ..................................... BCROKE ........................................... BCRONESE ...................................... ACRONKHITE .................................. CCRONKS ........................................ CCROOKED ..................................... DCROOKSFORD ............................. BCROOKSTON ................................ BCROOM .......................................... CCROPLEY ...................................... DCROQUIB ....................................... DCROSIER ....................................... CCROSSCREEK .............................. BCROSSEN ...................................... DCROSSETT .................................... CCROSSNORE ................................ BCROSSPLAIN ................................ CCROSSTELL .................................. DCROSSVILLE ................................. BCROSWOOD ................................. ACROT ............................................. DCROW ............................................ CCROW CREEK .............................. BCROW HILL ................................... CCROWELL ...................................... ACROWERS ..................................... BCROWFORK .................................. ACROWHEART ................................ CCROWLEY ..................................... DCROWRIVER ............................. B/DCROWSHAW ................................. BCROZIER ....................................... CCRUBAS ......................................... DCRUCES ........................................ DCRUCKTON ................................... BCRUICKSHANK ............................. CCRUMARINE ................................. BCRUMLEY ...................................... BCRUNKER ...................................... BCRUNKVAR ................................... ACRUSTOWN .................................. CCRUTCH ........................................ CCRUTCHFIELD .............................. BCRUZE ........................................... CCRYLUHA ...................................... CCRYSTAL LAKE ............................ BCRYSTALCREEK .......................... BCRYSTALEX .................................. BCRYSTALGYP ............................... CCRYUMBREPTS ........................... BCUATE ........................................... CCUBA .............................................. BCUBCREEK ................................... CCUBDEN ........................................ CCUBERANT ................................... BCUBHILL ........................................ CCUBLAKE ....................................... A

CUCAMUNGO ............................... DCUCHARAS ................................... CCUCHILLAS ................................... CCUDEI ............................................ BCUDJOE .........................................DCUERBIO ....................................... BCUERO ........................................... BCUESTA .........................................CCUEVA ........................................... DCUEVITAS .....................................DCUEVOLAND ................................. BCUJOB ........................................... DCULBERTSON ............................... BCULDECOLE ................................. BCULDESAC .................................... BCULITAS ........................................ CCULLIUS ........................................ DCULLOWHEE ............................ B/DCULP ..............................................CCULPEPER .................................... CCULTUS ......................................... BCULVING ....................................... CCULVOP ......................................... BCUMBERLAND .............................. BCUMBRES .....................................CCUMLEY .........................................CCUMMINGS ................................... DCUMMISKEY ................................. BCUNDICK ....................................... DCUNIFF .......................................... DCUNNIFF ........................................ CCUNNINGHAM .............................. CCUPCO ........................................... CCUPEL ............................................ DCUPINE .......................................... CCUPOLA ......................................... BCUPPER ......................................... BCUPPLES ....................................... CCUPPY ........................................... DCUPVAR .........................................DCURABITH ..................................... ACURANT ......................................... BCURDLI .......................................... BCURRAN ........................................ CCURRENT SPRING ...................... CCURRIER ....................................... ACURRITUCK .................................. DCURRY ........................................... CCURTIN .......................................... DCURTIS CREEK ............................ DCURTIS SIDING ............................ ACURTISTOWN ............................... BCURTISVILLE ................................ DCUSHENBURY .............................. BCUSHING ....................................... BCUSHMAN ..................................... BCUSHOOL ...................................... BCUSICK .......................................... DCUSTCO ........................................ BCUSTER ..................................... C/DCUTCOMB .....................................DCUTHAND ...................................... BCUTHBERT .................................... DCUTSHIN ....................................... BCUTTOR .........................................DCUTZ ..............................................DCUYAMA ........................................ BCUYAMUNGUE ............................. ACUYON ........................................... ACYAN .............................................. BCYCLONE .................................. B/DCYCLOPIC .....................................CCYGNET ......................................... BCYMRIC .........................................DCYNTHIANA .................................. DCYPRESS ...................................... DCYRIL ............................................. BCYVAR ........................................... DCZAR .............................................. BDAB ................................................ BDABNEY ......................................... ADABOB ........................................... CDACKEY .........................................CDACRON ........................................ BDADE .............................................. A



DADINA .......................................... DDAGUAO ........................................ CDAGUEY ........................................ CDAHAR ........................................... CDAHL .............................................. DDAILEY ........................................... BDAINT ............................................. BDAISY ............................................. BDAISYBAY ..................................... ADALBY ............................................ DDALCO ........................................... DDALECREEK ................................. BDALEROSE .................................... DDALESBURG ................................. BDALEVILLE .................................... DDALHART ....................................... BDALIG ............................................. BDALKENA ....................................... CDALLAM ......................................... BDALLARDSVILLE .......................... CDALTON ......................................... CDALUPE ......................................... BDALVORD ...................................... DDAMASCUS ............................... B/DDAMEWOOD ................................. CDAMON .......................................... DDAMORE ........................................ CDANABROOK ................................ BDANAVORE ................................... BDANCY ....................................... B/DDANDAN ........................................ CDANDREA ...................................... CDANGULCH ................................... DDANHUNT ...................................... BDANIA ......................................... B/DDANIELSON .............................. C/DDANIELVIL ..................................... BDANJER ......................................... DDANKO ........................................... DDANKWORTH ................................ ADANSKIN ....................................... BDANT .............................................. DDANUBE ..................................... B/DDAPOIN .......................................... CDARAS ........................................... BDARBONNE ................................... BDARBY ........................................... CDARCO ........................................... ADARDANELLE ............................... BDARDEN ........................................ ADARDOOW .................................... BDARE .............................................. DDARFUR ..................................... B/DDARKCANYON .............................. CDARL .............................................. CDARLAND ...................................... BDARLEY ......................................... CDARLINGTON ................................ ADARLOW ........................................ CDAROW .......................................... CDARR ............................................. BDARRAH ........................................ CDARROCH ..................................... CDARROUZETT ............................... DDARSIL .......................................... CDART .............................................. ADARTMOUTH ................................ BDARVEY ......................................... BDARWASH ..................................... BDASHER ......................................... DDASHIKI ......................................... ADASSEL ..................................... B/DDATINO .......................................... BDATINO .......................................... DDATOM ........................................... DDATWYLER ................................... CDAVEGGIO .................................... BDAVIDELL ...................................... BDAVIDSON .................................... BDAVILLA ......................................... DDAWHOO ................................... B/DDAWN ............................................. BDAWNY .......................................... BDAWSIL ...................................... A/DDAWTONIA .................................... B

DAXTY ............................................ CDAYBROOK ................................... CDAYCREEK ................................... ADAYSCHOOL ................................. BDAYTONA ...................................... BDAYVILLE ...................................... CDAZE ..............................................DDEACON ........................................ BDEADFALL .....................................CDEADFOOT ................................... BDEADHORSE ................................CDEADLINE ..................................... BDEADWOOD .................................. DDEADYON ...................................... BDEAM ............................................. CDEANBURG ................................... BDEANRAN ...................................... DDEARYTON ................................... CDEATMAN ...................................... CDEAVER .........................................CDEBENGER ................................... CDEBEQUE ...................................... BDEBOOK ........................................ BDEBORAH ...................................... DDEBS .............................................. BDEBUTE .........................................CDECAN ...........................................CDECANTEL .................................... DDECATHON ................................... CDECATUR ...................................... BDECEPTION .................................. BDECHEL .........................................DDECKERVILLE .......................... C/DDECORDOVA ................................ BDECRAM ........................................ CDECY .............................................. BDEDAS ...........................................DDEDMOUNT................................... CDEDMOUNT, Lacustrine Substra-tum .................................................. DDEDRICK ....................................... DDEE ................................................ CDEECREE ...................................... BDEEFAN .........................................DDEEMER ........................................ BDEEPCUT ...................................... DDEEPEEK ...................................... DDEEPWATER ................................ BDEEPWOOD .................................. BDEER PARK .................................. ADEERCUT ...................................... CDEERFIELD ................................... BDEERHEART .................................CDEERHORN ................................... CDEERRUN ...................................... CDEERWOOD .............................. B/DDEFENBAUGH .............................. BDEFIANCE .....................................DDEGATER ...................................... DDEGNER ........................................ BDEGOLA ......................................... BDEGRAND ..................................... BDEGREY ........................................ DDEHAVEN ...................................... BDEHILL ........................................... BDEHLINGER .................................. BDEIGHT .......................................... BDEINACHE ................................. A/DDEKALB, Stony ............................. ADEKALB ......................................... BDEKAPEN ...................................... CDEKKAS ......................................... ADEKOOM........................................ BDEKOVEN ...................................... DDELA .............................................. BDELACIT ........................................ DDELAMAR ...................................... BDELAMETER ................................. ADELAND ......................................... ADELANO ......................................... BDELANO, Sandy ............................CDELAWARE ................................... BDELCOMB ...................................... DDELENA .........................................DDELENBAW ................................... D

DELEON ......................................... CDELEPLAIN ................................... DDELETTE ....................................... CDELHEW ........................................ BDELICIAS ....................................... BDELISH .......................................... CDELKS ........................................ C/DDELL ............................................... CDELLO ............................................ DDELLS ............................................ CDELLWOOD ................................... ADELMITA ........................................ CDELMO ........................................... BDELNORTE .................................... CDELOSS ..................................... B/DDELP .............................................. ADELPHI .......................................... BDELPLAIN ...................................... DDELRAY ......................................... DDELRIDGE ..................................... BDELRIO .......................................... BDELTAJO ....................................... CDELUGE ......................................... CDELVALLE ..................................... BDELVAR ......................................... CDELWAY ........................................ DDELWIN .......................................... ADELYNDIA ..................................... ADEMAYO ........................................ DDEMENT ........................................ BDEMILL .......................................... BDEMING ......................................... BDEMKY ........................................... DDEMOGUL ..................................... BDEMONA ........................................ CDEMONTREVILLE ........................ BDEMOPOLIS .................................. CDEMOPOLIS, cobbly ..................... DDEMORY ........................................ DDEMOSS ........................................ DDEMOX .......................................... BDEMPSEY ...................................... BDEMPSTER ................................... BDENAUD .................................... B/DDENBAR ......................................... CDENBY ........................................... CDENCO ........................................... CDENEKA ......................................... DDENIO ............................................ BDENNIS .......................................... CDENNISVILLE ................................ BDENOMIE ....................................... CDENROCK ..................................... DDENT .............................................. BDENTDRAW ................................... DDENTON ........................................ DDENURE ........................................ ADENVACA ...................................... DDEPALT ......................................... DDEPCOR ........................................ BDEPEYSTER ................................. CDEPNER ......................................... BDEPOE ........................................... DDEPORT ......................................... DDERAPTER .................................... BDERB .............................................. CDERBY ........................................... ADERECHO ..................................... BDERMALA ...................................... BDEROIN .......................................... BDEROUX ........................................ CDERR ............................................. CDERRINGER .................................. CDERRYNANE ................................. CDERWELL ...................................... BDES MOINES, Dry ........................ BDES MOINES, Cobbly ................... CDESAN ........................................... ADESATOYA .................................... CDESCALABRADO ......................... DDESCHUTES ................................. BDESERTLAKE ............................... DDESFIREX ..................................... BDESHA ........................................... DDESHASER ................................... B

DESKAMP ...................................... BDESKER ......................................... ADESMET ......................................... BDESOLATION ................................ BDESONS ........................................ CDESTER ......................................... CDETERSON ................................... CDETOUR ........................................ BDETRITAL ...................................... BDETROIT ........................................ CDEUCE ........................................... DDEUCHARS ................................... CDEV ................................................ ADEVARGAS ................................... BDEVILFENCE ................................. DDEVILS ........................................... DDEVILSCREEK .............................. CDEVINE .......................................... CDEVISADERO ................................ CDEVNOT ......................................... DDEVOE ........................................... DDEVOIGNES .................................. DDEVRIES ........................................ CDEWBERRY ................................... BDEWEY .......................................... BDEWEYVILLE ................................ DDEWITT .......................................... CDEWMINE ...................................... DDEWRUST ..................................... CDEWVILLE ..................................... BDEXTER ......................................... BDEZELLEM .................................... BDIAFLATS ...................................... BDIAGULCH ..................................... BDIAMOND ...................................... DDIAMONDHIL ................................. CDIAMONKIT ................................... CDIANEV .......................................... DDIANOLA ........................................ DDIATEE .......................................... BDIAWELL ........................................ DDIBOLL ........................................... DDICECREEK .................................. CDICK ............................................... ADICKERSON .................................. DDICKEYPEAK ................................ CDICKLE .......................................... DDICKSON ....................................... CDIEBERT ........................................ BDIEHLSTADT ................................. CDIERSSEN ..................................... DDIGBY ............................................ BDIGHTON ....................................... BDIGIORGIO .................................... BDILLARD ........................................ CDILLCOURT ................................... BDILLEY ........................................... CDILLINGHAM ................................. ADILLWYN ....................................... ADILMAN .......................................... CDILTON .......................................... DDILWORTH .................................... DDIMAL ............................................. CDIME ............................................... BDIMEBOX ....................................... DDIMO .............................................. BDINA ............................................... CDINCO ............................................ BDINES ............................................. BDINEVO .......................................... BDINGLE .......................................... CDINGLISHNA ................................. DDINGMAN ...................................... CDINKEY .......................................... ADINZER .......................................... BDIOBSUD ....................................... CDIPCREEK ..................................... DDIPMAN .......................................... DDIPSEA .......................................... BDIQUE ............................................ BDIREGO ......................................... DDIRTYHEAD .................................. CDISAGE .......................................... DDISAPPOINT ................................. DDISCO ............................................ B



DISCOVERY .................................. DDISHNER ....................................... DDISHNO .......................................... CDISHPAN ....................................... CDISTELL ......................................... CDISWOOD ...................................... DDITCHCAMP .................................. CDITHOD .......................................... BDITNEY .......................................... CDIVIDE ........................................... CDIVISION ........................................ DDIVOT ............................................. CDIXALETA ...................................... DDIXBORO ....................................... BDIXIEJETT ..................................... BDIXON ............................................ BDIXONVILLE .................................. CDOANE ........................................... BDOBALT ......................................... BDOBBINS ....................................... CDOBEL ........................................... DDOBENT ..................................... C/DDOBIE ............................................ BDOBSON ........................................ DDOCAS ........................................... BDOCENA ........................................ CDOCKLAKE .................................... BDOCPAR ........................................ BDODD ............................................. DDODES ........................................... BDODGE .......................................... BDODGECREEK .............................. BDODGEVILLE ................................ CDODSON ........................................ CDODY ......................................... C/DDOE ................................................ BDOEL .............................................. CDOGIECREEK ............................... BDOGLAKE ...................................... ADOGMOUNTAIN ............................ CDOGTOOTH ................................... DDOGUE .......................................... CDOKER ........................................... CDOLBEE, Sandy Substratum ........ BDOLBEE ......................................... CDOLEKEI ........................................ BDOLEN ........................................... BDOLES ........................................... CDOLLAR ......................................... CDOLLARD ...................................... CDOLLARHIDE ................................ DDOLLYCLARK ............................... CDOLMAN ........................................ CDOLUS ........................................... CDOME ............................................. BDOMENGINE ................................. CDOMERIE ....................................... BDOMEZ ........................................... BDOMINGUEZ ................................. CDOMINSON .................................... ADOMKEY ........................................ BDOMO ............................................ BDOMPIER ....................................... CDONA ANA .................................... CDONAHUE ..................................... CDONALD ......................................... CDONALDSON ................................ CDONEGAN ..................................... CDONERAIL ..................................... CDONICA .......................................... BDONKEHILL ................................... DDONLONTON ................................ CDONNEL ......................................... BDONNELSVILLE ............................ BDONNING ...................................... DDONNYBROOK ............................. DDOOH ............................................. BDOOLIN .......................................... DDOONE .......................................... BDORA ......................................... B/DDORERTON ................................... BDORITTY ........................................ BDORNA ........................................... BDORNA, Thin ................................. CDOROSHIN .................................... D

DOROTHEA ................................... CDOROVAN ..................................... DDORRANCE ................................... ADORS ............................................. BDORSET ......................................... BDORVAL ..................................... A/DDOSA ............................................. DDOSAMIGOS ................................. DDOSEWALLIPS ............................. DDOSIE ............................................ CDOSLOMAS ................................... CDOSS ............................................. DDOSSMAN ..................................... BDOTLAKE ....................................... DDOTSERO ...................................... BDOTSOLOT ................................... DDOTY .............................................. BDOUBLEDIA .................................. DDOUBLEO ...................................... DDOUCETTE .................................... BDOUDLE ......................................... BDOUGAL ........................................ DDOUGAN ........................................ CDOUGCITY .................................... BDOUGCLIFF .................................. DDOUGHBOY .................................. BDOUGHERTY ................................ ADOUGHSPON ................................ CDOUGHTY ..................................... BDOUGLAS ...................................... BDOUHIDE ....................................... DDOURO .......................................... BDOUTHIT ....................................... BDOWAGIAC ................................... BDOWDE .......................................... BDOWELLTON ................................ DDOWNER ....................................... BDOWNEY ....................................... BDOWNEYGULCH .......................... CDOWNSOUTH ............................... BDOWNSVILLE ................................ BDOWPER ....................................... BDOYLESTOWN.............................. DDOYN ............................................. DDRAGSTON ................................... CDRAKE ........................................... BDRAKESFLAT ................................ BDRAKESPEAK ............................... BDRAMMEN ..................................... ADRANBURN ................................... BDRASCO ........................................ CDRAX .......................................... B/CDREKA ........................................... DDRESDEN ...................................... BDREWING ...................................... DDREWSEY ..................................... BDREWSGAP .................................. CDREXEL ......................................... BDRIFTWOOD ............................. C/DDRIGGS ......................................... BDRINO ............................................ CDRIVER .......................................... CDROEM .......................................... CDROVAL ......................................... DDRUM ............................................. BDRURY ........................................... BDRY LAKE ...................................... CDRYADINE ..................................... CDRYBED ......................................... BDRYBUCK ...................................... BDRYBURG ..................................... BDRYCK ........................................... ADRYDEN ........................................ BDRYFALLS ..................................... BDRYHOLLOW ................................ BDRYN ............................................. CDUART ........................................... CDUBACH ........................................ BDUBAY ........................................... BDUBBS ........................................... BDUBBS, Flooded ........................... CDUBINA .......................................... CDUBLON ......................................... BDUCKABUSH ................................. BDUCKCLUB ................................... C

DUCKHILL ...................................... DDUCKSTON ............................... A/DDUELM ........................................... ADUETTE ......................................... ADUFFAU ......................................... BDUFFERN ...................................... ADUFFYMONT ................................. CDUFFYMONT, Dry ......................... DDUFUR ........................................... BDUGGINS ....................................... DDUGUESCLIN ................................ DDUGWAY ....................................... CDUKES ........................................... ADULA ..............................................DDULAC ........................................... CDULANDY ...................................... BDULCE ........................................... DDULEYLAKE .................................. CDULLAXE ....................................... BDULLES ......................................... DDUMAS ........................................... BDUMFRIES .................................... BDUMONT ........................................ DDUMPS, Tailings ........................... BDUNBAR ........................................ DDUNBRIDGE .................................. BDUNC ............................................. CDUNCANNON ................................ BDUNFORD ..................................... CDUNGAN ........................................ BDUNGENESS ................................ BDUNKIRK ....................................... BDUNKLEBER ................................. DDUNLATOP .................................... BDUNMORE ..................................... BDUNNBOT ...................................... BDUNSMUIR .................................... BDUNSMUIR, Nongravelly .............. CDUNTON ........................................ CDUPLIN .......................................... CDUPO ............................................. CDUPREE ......................................... DDURADOS ..................................... ADURALDE ...................................... CDURAND ........................................ BDURANGO ..................................... BDURANT ......................................... DDURAZO ........................................ ADURBIN .......................................... DDURELLE ....................................... BDURKEE ......................................... CDURRSTEIN .................................. DDURSTON ...................................... CDUSEN ........................................... BDUSKPOINT .................................. ADUSLER ......................................... CDUSON ........................................... CDUSTON ........................................ ADUSTY ........................................... BDUTCHATT .................................... BDUTCHCANYON ........................... BDUTCHENRY ................................. CDUTCHFLAT .................................. CDUTCHJOHN ................................. BDUTEK ........................................... ADUTTON ......................................... CDUVAL ............................................ BDUZEL ............................................ CDWARF .......................................... DDWORSHAK .................................. BDYE ................................................ DDYERHILL ...................................... BDYLAN ............................................ DDYNAL ............................................ AEACHUS ......................................... BEAD ................................................ CEAGAR ........................................... BEAGLECAP .................................... BEAGLECONE ................................. BEAGLECREEK ............................... BEAGLELAKE .................................. BEAGLEPOINT ................................ DEAGLEROCK ................................. CEAGLESNEST ............................... CEAGLESON ................................... C

EAGLESPRING ............................. BEAGLETON .................................... DEAGLEVIEW .................................. AEAGLEVILLE .................................DEAGLEWING ................................. BEAGLEYE ....................................... DEAGREEK ...................................... BEAKIN ............................................. BEALY .............................................. BEAPA .............................................. BEARLE ............................................ DEARLMONT ............................... C/DEARP .............................................. BEASBY ............................................ CEASLEY .........................................CEASPUR ......................................... BEAST LAKE .................................... AEASTABLE ..................................... BEASTCHOP ................................... AEASTHAM ...................................... DEASTPARK .................................... DEASTPINE ...................................... BEASTWOOD .................................. DEASYCHAIR .................................. BEATONCREEK .............................. DEAUCLAIRE ................................... AEAUGALLIE ................................... DEBADLOW ..................................... BEBAL .............................................. BEBBERT ..................................... C/DEBBING .......................................... CEBBS .............................................. BEBIC ............................................... DEBODA ........................................... BEBODA, Stony ............................... CEBRO ............................................. DECHAW .......................................... AECHETA .........................................CECKERT .........................................DECKHART ...................................... BECKLUND ...................................... BECKMAN ........................................ BECKRANT ...................................... DECKVOLL ....................................... BECLETO .........................................DECLIPSE ........................................ BECOLA ........................................... CECON ............................................. BECONFINA ..................................... AECUR ............................................. BEDA ................................................ AEDALFRED .................................... AEDALGO .........................................CEDDINGS ....................................... BEDDS .............................................. BEDDY ..............................................CEDEMAPS ...................................... CEDENBOWER ................................ DEDENTON ...................................... CEDENVALLEY ................................ BEDGAR ........................................... BEDGEHILL ...................................... CEDGELEY ...................................... CEDGEMERE ................................... DEDGEWATER ................................ CEDGEWICK .................................... CEDGINGTON ............................. C/DEDINBURG ................................ C/DEDISTO .......................................... CEDJOBE .........................................CEDMINSTER .................................. DEDMORE ........................................ DEDMUNDSTON ............................. BEDOM ............................................. CEDROY ........................................... DEDSON ........................................... CEDWARDS ................................. B/DEDWARDSVILLE ....................... B/DEDWIN ............................................ BEELCOVE ...................................... DEELWEIR ....................................... CEENREED ...................................... BEEP ................................................. CEFFIE ............................................. CEFFINGTON .................................. C



EGAM ............................................. CEGAN ............................................. BEGANROC ..................................... CEGGLAKE .................................. C/DEGGLESON ................................... BEGHELM ........................................ CEGLIN ............................................. AEGLIRIM ......................................... CEGUAJE ......................................... BEGYPT ........................................... DEGYPTCREEK............................... CEICKS ............................................. CEIGHTLAR ..................................... CEIGHTMILE .................................... DEILERTSEN ................................... BEINE ............................................... DEITZEN ........................................... BEKAH .............................................. CEKAL .............................................. DEKIM ............................................... CEKOMS ........................................... BEKRUB ........................................... DEL PECO ........................................ CELAM .............................................. AELAM, Hard Substratum ............... BELANDCO ...................................... BELBA .............................................. CELBAVILLE .................................... BELBERT ......................................... DELBON ........................................... BELBOW ........................................... CELBOWLAKE ................................. BELBUCK ......................................... BELBUTTE ....................................... DELCANEJO .................................... BELCAPITAN ................................... BELD ................................................. BELDADO ......................................... BELDER HOLLOW .......................... DELDERON, Stony .......................... AELDERON ...................................... BELDRIDGE ..................................... CELEMENTS .................................... BELENORE ...................................... DELEROY ......................................... BELEVASIL ...................................... BELEVATOR .................................... CELFCREEK .................................... CELFLINT ......................................... BELGEE ............................................ AELGIN ............................................. CELIAS ............................................. CELIZABETH .................................... BELK HOLLOW ................................ BELKADER ....................................... BELKHEIGHT ................................... CELKHEIGHTS ................................ BELKHORN ...................................... BELKINSVILLE ................................ BELKINTON ..................................... BELKMOUND ................................... DELKPRAIRIE .................................. BELKRIDGE ..................................... BELKTON ..................................... C/DELKWALOW ................................... DELLA ............................................... BELLEN ............................................ BELLENA .......................................... CELLETT .......................................... DELLICOTT ...................................... AELLIJAY ......................................... BELLINGTON ................................... BELLINOR ........................................ CELLIOTT ......................................... CELLIS .............................................. DELLISTON ...................................... CELLISVILLE ................................... BELLOREE ....................................... DELLSBURG ................................ C/DELLUM ............................................ CELLWOOD ..................................... CELLZEY ...................................... B/DELM LAKE .................................. A/DELMDALE ....................................... BELMENWOOD ............................... D

ELMER ...........................................CELMINA .......................................... CELMONT ......................................... BELMRIDGE .................................... CELMVILLE ...................................... BELMWOOD .................................... CELNORA ......................................... BELOCHOMAN ................................ BELOCIN .......................................... DELON .............................................. BELOSO ...........................................DELPAM ...........................................DELPASO ..................................... B/DELRED ........................................ B/DELRIN ............................................. BELROSE ......................................... BELSIE ............................................. BELSINBORO .................................. BELTOPIA ........................................ CELTSAC .........................................DELVERS ..................................... B/DELVIRA ....................................... B/DELWELL .........................................CELWHA ...........................................CELWOP ........................................... BELY ................................................. BELYSIAN ........................................ BEMACHAYA ................................... DEMAGERT ...................................... BEMBAL ........................................... BEMBERTON ................................... CEMELINE ........................................ DEMERALDA ................................... DEMERSON ..................................... BEMERY ........................................... BEMIGHA ......................................... BEMIGHA, Alkaline .......................... CEMILY ............................................. BEMMA ............................................. CEMMERT ........................................ AEMOT ............................................. BEMPIRE .......................................... BEMYD ............................................. BENBAR ........................................... BENBAR, Stony ............................... CENBAR, Wet .................................. DENCANTADO ................................. AENCHANTED ................................. BENCICADO .................................... CENCINA .......................................... BENCROW ....................................... DENDERSBY ................................... BENERGY ........................................ BENFIELD ........................................ BENGADINE ................................ B/DENGLE ........................................... BENKO ............................................. AENKO, Overblown ......................... BENLOE ...........................................DENNING.......................................... DENOCHVILLE ............................ C/DENOLA ........................................... BENOREE ........................................ DENOS ............................................. CENOSBURG ................................... CENSENADA ................................... BENSTROM ..................................... BENTENTE ....................................... BENTERO .........................................DENTERPRISE ................................ BENVILLE .........................................CENVOL ...........................................DENZIAN .......................................... DEODY ............................................. CEOJ ................................................. DEOLA ..............................................DEPHRATA, Cool ............................ AEPHRATA ...................................... BEPITAPH ........................................ DEPLEY ............................................ CEPOT .............................................. BEPSOM ....................................... B/DEPVIP ............................................. DERAM ............................................. CERD ................................................ D

EREMIS .......................................... BERICSON ....................................... BERIG ............................................... BERIN ............................................... BERMABELL .................................... AERMATINGER ........................... B/DERNBET ......................................... CERNO ............................................. BERRAMOUSPE .............................. CERVIDE .......................................... CESAU .............................................. AESCAMBIA ..................................... CESCANABA .................................... AESCANO ........................................ CESCARLO ...................................... BESCONDIDO/ Thick Solum .......... BESCONDIDO ................................. CESEL .............................................. BESHA .............................................. BESHAMY ........................................ BESKA .............................................. BESMERALDA ................................. BESMOD .......................................... DESPARTO ...................................... BESPELIE .................................... B/DESPERANZA ................................. CESPIL ............................................. DESPINAL ........................................ AESPINOSA ..................................... BESPINT .......................................... DESPY .............................................. DESRO ............................................. DESSEN ........................................... CESTACION ..................................... BESTATE .......................................... CESTELLE ........................................ BESTELLINE .................................... BESTER, Thawed ............................ CESTER ............................................ DESTERO ......................................... DESTESLAKE .................................. DESTO .............................................. BETACH ........................................... CETHEL ............................................ CETHELMAN .................................... BETHETE ......................................... BETHETE, Saline ............................. CETIL ................................................ AETOILE ........................................... DETOWAH ........................................ BETOWN .......................................... BETTER ............................................ BETTRICK .................................... B/DEUCHRAND ................................... DEUCHRE ........................................ CEUCLID .......................................... CEUDY .............................................. CEUER .............................................. BEUFAULA ....................................... AEUHARLEE .................................... CEULONIA ........................................ CEUNOLA ......................................... CEUREKA ......................................... DEUSBIO .......................................... CEUSTIS .......................................... AEUTAW ........................................... DEUTROBORALFS .......................... BEVA ................................................. BEVADALE ....................................... DEVANGELINE ................................ CEVANOT ......................................... BEVANSHAM ................................... DEVANT ............................................ DEVART ............................................ DEVELETH ....................................... CEVENDALE .................................... CEVERETT ....................................... BEVERGLADES ........................... B/DEVERGREEN ................................. DEVERMAN ...................................... CEVERRY ......................................... BEVICK ............................................. AEWAN ............................................. DEXCLOSE ...................................... BEXEL .............................................. C

EXETER ......................................... BEXTEND ......................................... CEXUM ............................................. CEXWAY ........................................... BEYAK ..............................................CEYERBOW ..................................... CEYLAU ............................................ CEYOTA ........................................... AEZEL ............................................... BEZELL ............................................. CFABIUS .......................................... BFACEVILLE .................................... BFACEY ............................................ BFACTORY ...................................... BFADDIN .......................................... DFADOLL ......................................... BFAGAN ........................................... CFAGASA ......................................... CFAGES ........................................... DFAHNESTOCK............................... BFAIM ............................................... BFAIRANGEL ................................... BFAIRBERG ..................................... CFAIRBIRCH .................................... CFAIRBURN ..................................... DFAIRCHILD .................................... CFAIRFAX ........................................ BFAIRHAVEN ................................... BFAIRLESS ...................................... BFAIRLIE .......................................... DFAIRLO .......................................... BFAIRMOUNT .................................. DFAIRPLAY ...................................... DFAIRSMITH .................................... BFAIRYDELL .................................... CFAIRYLAWN .................................. DFAJADA .......................................... CFAJARDO ....................................... CFALAYA .......................................... DFALBA ............................................ DFALERIA ........................................ BFALFA ............................................ CFALFURRIAS ................................. AFALK ............................................... CFALKIRK ........................................ BFALKNER ....................................... CFALLBROOK .................................. BFALLCREEK .................................. CFALLERT ........................................ BFALLON ......................................... BFALLSINGTON .......................... B/DFALSEN ......................................... AFANAL ............................................ CFANCHER ...................................... CFANDOW ........................................ DFANNO ........................................... CFANSHAW ..................................... BFANTZ, High Rainfall .................... BFANTZ ............................................ CFANU .............................................. BFARBER ......................................... BFARDRAW ..................................... BFARDRAW, Dark Surface ............. CFARISITA ....................................... DFARLOW ........................................ CFARMERSTOWN .......................... CFARMINGTON ............................... CFARMTON ...................................... DFARNHAMTON .............................. CFARNUF ......................................... CFARQUAR ...................................... BFARRAGUT .................................... CFARRENBURG .............................. BFARRINGTON ............................... BFARROT ......................................... CFARRY ........................................... BFARSIDE ........................................ BFARSON ......................................... CFARVA ............................................ CFARVANT ....................................... DFARVIEW ....................................... DFARWAY ........................................ BFASHING ....................................... DFASKIN .......................................... BFATIMA .......................................... B



FATTIG ........................................... CFAUNCE ......................................... AFAUNSDALE .................................. DFAVORETTA .................................. DFAVRET ......................................... CFAWCETT ...................................... BFAWIN ............................................ BFAWNSPRING ............................... CFAYETTEVILLE ............................. BFE ................................................... DFEAGINRANCH ............................. DFEARS ............................................ BFEATHER ....................................... BFEATHERSTONE .......................... DFEDJI .............................................. AFEDORA ..................................... B/DFELDA ............................................ DFELDHAUSER ............................... BFELDTMAN .................................... AFELICIANA ..................................... BFELICITY ........................................ AFELIPE ........................................... DFELIX .............................................. DFELKER ......................................... CFELLA ......................................... B/DFELOR ............................................ BFELT ............................................... BFELTA ............................................ CFELTNER ....................................... DFENELON ...................................... CFEPS .............................................. DFERA .............................................. CFERBALL ....................................... CFERD .............................................. CFERDELFORD ............................... CFEREBEE ....................................... DFERGIE .......................................... CFERGUS ......................................... BFERGUSON ................................... BFERN .............................................. BFERN CLIFF .................................. BFERNCREEK ................................. DFERNDALE .................................... BFERNHAVEN ................................. BFERNOW ........................................ BFERNPOINT .................................. BFERNWOOD .................................. BFERRELO ...................................... BFERROBURRO .............................. DFERTEG ......................................... CFESSLER ....................................... BFESTINA ........................................ BFETCH ............................................ DFETERITA ...................................... DFETT ............................................... DFETZER .......................................... CFEZ ................................................. CFEZIP ............................................. DFIANDER .................................... C/DFIAT ................................................ CFIBRE ......................................... B/DFICO ............................................... BFIDALGO ........................................ CFIDDLETOWN ............................... BFIDDYMENT .................................. DFIDISIX ........................................... BFIELDCREEK ................................. BFIELDING ....................................... BFIELDON .................................... B/DFIFESRIDGE .................................. BFIFIELD .......................................... CFIG .................................................. BFIGARO .......................................... CFIKEL .............................................. CFILBERT ......................................... DFILION ............................................ DFILIRAN .......................................... DFINAL ............................................. DFINCHFORD .................................. AFINDOUT ....................................... DFINLAND ........................................ CFINN ............................................... DFINNEY .......................................... BFINOL ............................................. CFINROD .......................................... C

FIRCREEK ..................................... CFIREBALL ...................................... BFIREBAUGH .................................. CFIRESTEEL .................................... BFIRESTONE ................................... CFIRETOWER .................................. BFIRMAGE ....................................... CFIROKE .......................................... BFIRTH ......................................... B/CFISHAVEN ..................................... CFISHBERRY ................................... DFISHERHILL .................................. BFISHERMAN .................................. DFISHHOOK .................................... DFISHLAKE ...................................... DFISHPOT ........................................ CFISHROCK ..................................... DFISHWAY ....................................... BFISK ................................................ BFITZHUGH ..................................... BFITZWIL ......................................... BFIVEBLOCK ................................... CFIVEMILE ....................................... BFIVEMILE, Saline .......................... CFIVES ............................................. BFIVESPRINGS ............................... CFLACKVILLE .................................. CFLAGG ........................................... BFLAGSTAFF .................................. DFLAMBEAU .................................... BFLAMEN ......................................... CFLAMING ....................................... AFLANAGAN .................................... BFLANDREAU ................................. BFLANE ............................................ CFLANK ............................................ DFLANLY .......................................... BFLANNERY .................................... BFLARM ........................................... CFLAT HORN ................................... BFLATCREEK .................................. DFLATHEAD .................................... BFLATIRONS ................................... CFLATONIA ...................................... DFLATSTONE .................................. CFLATTOP ....................................... DFLATWOODS ................................ CFLAXTON ....................................... BFLEAK ............................................ CFLEAK, cool ................................... DFLEENER ....................................... BFLEER ............................................ DFLEISCHMANN ............................. DFLEMING ....................................... CFLEMINGTON ................................ DFLETCHER .................................... BFLEWSIE ........................................ BFLINK ............................................. BFLINTCREEK ................................. DFLO ................................................. AFLOER ............................................ DFLOKE ............................................ CFLOMATON ................................... AFLOMOT ......................................... BFLOODWOOD ............................... BFLORAHOME ................................ AFLORALA ....................................... CFLORAS ......................................... CFLORAVILLE ................................. DFLORENCE .................................... CFLORESVILLE ............................... CFLORIDANA ............................... B/DFLORIN .......................................... CFLORIS .......................................... BFLOTAG ......................................... BFLOTT ............................................ BFLOUTIER ...................................... BFLOYD ............................................ BFLUE .............................................. CFLUE, Gravelly .............................. DFLUETSCH .................................... BFLUKER ......................................... CFLUMECREEK ............................... BFLUMEVILLE ................................. DFLUVAQUENTS ............................ D

FLYCREEK .................................... CFLYNN ............................................ BFLYVALLEY ................................... CFOAD ..............................................CFOARD ........................................... DFOGGYFLAT ................................. BFOGLAKE ...................................... CFOLAVAR, Elevation 6000-7400 .. AFOLAVAR ....................................... BFOLDAHL ....................................... BFOLEY ............................................ DFOLLET .......................................... DFOMSENG ..................................... CFONDA ........................................... DFONDILLAS ................................... DFONNER ........................................ BFONS .............................................. BFONTAFLORA ............................... AFONTAINE ..................................... BFONTANA ...................................... BFOOLHEN, Stony, Cool ................ BFOOLHEN ...................................... DFOOTHILL ...................................... CFOPIANO ....................................... DFORAKER ...................................... DFORBAR ......................................... DFORBES ......................................... CFORBESVILLE .............................. CFORBING ....................................... DFORDBUTTE ................................. BFORDCREEK ................................. BFORDICE ....................................... BFORDNEY .................................. A/CFORDSTERROR ........................... CFORDTOWN .................................. BFORDTRAN ................................... CFORELAND .................................... DFORELEFT .................................... BFORESTBURG .............................. AFORESTCITY ............................ B/DFORESTDALE ............................... DFORESTER .................................... CFORESTON ................................... CFORK ..............................................CFORKHORN ................................... BFORLORN ...................................... BFORMADER ................................... CFORMDALE ................................... BFORNOR ........................................ BFORSEER ...................................... CFORSGREN ................................... BFORSGREN ................................... CFORT MEADE ................................ AFORT MOTT .................................. AFORT ROCK .................................. AFORTBENTON .............................. CFORTBOIS ..................................... AFORTESCUE ............................. C/DFORTRAN ...................................... BFORTSAGE ................................... BFORTUNA ...................................... DFORTYONE ................................... BFOSS .............................................. BFOSSILON ..................................... DFOSTERBURG .............................. DFOSTORIA ..................................... BFOUNTAIN ..................................... DFOUNTAINVILLE ........................... CFOUR STAR .............................. B/CFOURCHE ...................................... BFOURCORNERS ........................... DFOURLOG ...................................... DFOURME ........................................ BFOURSIXES .................................. CFOURWHEEL ................................ DFOXCAN ......................................... DFOXCREEK ............................... C/DFOXHOME ..................................... BFOXLAKE ....................................... CFOXMOUNT ................................... CFOXVILLE ...................................... DFOXVIRE ........................................ BFOXWORTH .................................. AFRADDLE ....................................... BFRAGUNI ....................................... B

FRAILEY ........................................ BFRAILTON ...................................... DFRANCIS ........................................ AFRANCISQUITO ............................ CFRANCITAS ................................... DFRANCONIA .................................. BFRANEAU ...................................... DFRANKCREEK ............................... BFRANKENMUTH ........................... CFRANKENSTEIN ........................... CFRANKFORT .................................CFRANKIRK .....................................CFRANKLIN ...................................... BFRANKTOWN ................................ DFRAVAL, Gravelly ......................... BFRAVAL .........................................CFRAZERTON ................................. BFRED ..............................................CFREDA ........................................... DFREDENSBORG ........................... CFREDERICKTOWN ....................... BFREDONYER .................................CFREDRIKSDAL .............................. DFREE .......................................... B/DFREEBURG ................................... CFREECE .........................................DFREEHOLD .................................... BFREELAND .................................... CFREELS ......................................... BFREEMAN ...................................... CFREEMANVILLE ............................ BFREEON ......................................... BFREER ........................................... CFREESOIL ...................................... BFREEST .........................................CFREESTONE .................................CFREETPEAK .................................. BFREEWATER ................................. BFREEZENER ................................. BFREEZEOUT ................................. BFRELSBURG .................................DFREMKLE ...................................... CFRENCH .........................................CFRENCHJOHN .............................. CFRENCHMAN ................................ BFRENCHMILL ................................ BFRENCHOLLOW, Moist ................ CFRENCHOLLOW ........................... DFRESHWATER .............................. DFRESNO, Thick Solum ................. CFRESNO, Saline Alkali ................. DFREWA ........................................... BFREWSBURG ................................ CFREYA ........................................ A/DFRIANA .......................................... DFRIBERG ................................... B/DFRICABA ........................................ BFRIEDLANDER .............................. CFRIENDLY ...................................... DFRIENDS ........................................ CFRIES ............................................. DFRINDLE ........................................ CFRINES .......................................... CFRINT ............................................. CFRIO ............................................... BFRIONA .......................................... CFRIOTON ....................................... CFRIPP ............................................. AFRISITE .......................................... BFRITSLAND ................................... BFRIZZELL ....................................... CFRODO ........................................... DFROHMAN .....................................CFROLIC .......................................... BFRONDORF ................................... BFRONTENAC ................................. BFRONTIER .....................................CFRONTON ...................................... DFROZARD ...................................... CFRUITA ........................................... BFRUITFIELD .................................. AFRUITLAND ............................... B/CFRUITVALE ................................... CFRYINGPAN .................................. DFRYMIRE ....................................... C



FRYREAR ...................................... BFT. DRUM ...................................... CFUEGO ........................................... CFUEGOSTA ................................... DFUGAWEE ..................................... BFULCHER ...................................... CFULCRUM ...................................... CFULDA ............................................ DFULLER .......................................... DFULMER ..................................... C.DFULSHEAR .................................... CFULTS ............................................ DFUNMAR ........................................ CFUNTER ......................................... DFURLONG ...................................... AFURNISS ........................................ DFURSHUR ...................................... DFURY .......................................... C/DFUSULINA ...................................... DFUSUVAR ...................................... DGABBS ........................................... CGABEL ............................................ CGABINO .......................................... DGABRIEL ........................................ CGACIBA .......................................... DGADDES ........................................ CGADONA ........................................ BGADWELL ...................................... CGAGEBY ........................................ BGAGETOWN .................................. BGAHEE ........................................... BGAIA ............................................... BGAIBSON ....................................... DGAILA ............................................. BGAINESVILLE ................................ AGAKONA ........................................ BGALATA ......................................... DGALBRETH .................................... DGALCHUTT .................................... CGALESTINA ................................... CGALEY ............................................ BGALIENTE ...................................... CGALILEE ........................................ CGALLEGOS .................................... BGALLEN ......................................... BGALLIA ........................................... BGALLIME ........................................ BGALLIMORE .................................. BGALLION ........................................ BGALLIPOLIS .................................. CGALLUP ......................................... BGALTSMILL ................................... BGALVESTON ................................. AGALVEZ ......................................... CGALVIN .......................................... DGALZUNI ........................................ CGAMBOA ........................................ BGAMBOGY ..................................... BGAMELAKE ................................... BGAMM ............................................ DGANADO ........................................ DGANAFLAN .................................... CGANHONA ..................................... CGANIS ............................................ DGANO ......................................... B/DGANSNER ...................................... CGANY ............................................. BGAP ................................................ BGAPBUTTE .................................... BGAPCOT ........................................ DGAPHILL ........................................ BGAPO ......................................... C/DGARCENO ..................................... CGARCIA .......................................... CGARCITAS ..................................... CGARDELLA .................................... DGARDENCAN ................................ BGARDENCREEK ........................... DGARDENISLE ................................ BGARDENS ...................................... DGARDENVALE ............................... BGARDINER .................................... AGARDNER’S FORK ....................... BGARECK ........................................ BGAREY ........................................... B

GARFAN .........................................DGARHILL ........................................ DGARIPER ....................................... DGARLAND ...................................... BGARLIC .......................................... AGARLIN .......................................... DGARLOCK ...................................... CGARMON ....................................... CGARMORE ..................................... BGARNE ........................................... BGARNEL .........................................DGARNER ........................................ DGARNES ........................................ BGARO ............................................. DGARR ............................................. DGARRETT ...................................... BGARROCHALES ........................... DGARSID .......................................... CGARTON ........................................ CGARVIN .......................................... DGARWOOD .................................... DGASPER ......................................... BGASQUET ...................................... BGASSAWAY ................................... DGASSVILLE ................................... CGASTON ........................................ CGASTROW .....................................CGASUP ...........................................DGAT ................................................ BGATCHEL ...................................... BGATERIDGE .................................. CGATESON ...................................... CGATEWALL .................................... BGATLIN .......................................... BGATTON ......................................... BGAULD ....................................... B/DGAULDY ......................................... BGAUSE ...........................................CGAVEL ............................................ BGAVERS .........................................CGAVILAN ........................................ CGAVINS .......................................... DGAY ............................................ B/DGAYHART ...................................... CGAYLORD ...................................... CGAYVILLE ...................................... DGAZELLE ....................................... DGAZWELL ...................................... DGEARHART ................................... AGED ................................................ DGEE ................................................ CGEEBURG .....................................CGEEMORE .....................................CGEERTSEN ................................... BGEISEL .......................................... BGEISERCREEK ............................. BGELSINGER .................................. CGEM ................................................ CGEM, Stony .................................... DGEMELO ........................................ BGEMSON........................................ BGENATS .........................................DGENEVA ......................................... BGENTILLY ...................................... DGENTRY .........................................DGEOCONDA .................................. CGEORGECANYON ........................ BGEORGECREEK ........................... BGERBANA ...................................... DGERBER ........................................ DGERLACH ...................................... DGERLANE ...................................... BGERMANO ..................................... BGERMANTOWN ............................ BGERMER ........................................ CGERRARD ..................................... BGERSTLE ....................................... BGESSNER .................................. B/DGESTRIN ....................................... BGETA .............................................. BGETCHELL .................................... CGETRAIL ........................................ DGETZVILLE .................................... DGEWTER ........................................ CGEYSEN .........................................C

GHOLSON ..................................... BGHORMLEY ................................... CGIANELLA ...................................... BGIARCH .......................................... DGIBBONSCREEK .......................... CGIBNEY .......................................... CGIBRALTAR ................................... CGIBSONVILLE ............................... DGIBWELL ....................................... CGICHIGAMI .................................... CGIDEON ......................................... CGIDWIN .......................................... DGIELOW ......................................... CGIESE ............................................. DGIGGER ......................................... CGILBERT ........................................ DGILBOA .......................................... BGILEAD .......................................... CGILES ............................................. BGILFORD ....................................... DGILLAND ........................................ CGILLENDER ................................... DGILLIAM ......................................... CGILLIGAN ....................................... BGILLS ............................................. CGILLSBURG ................................... DGILMAN .......................................... DGILMORE ....................................... DGILROY .......................................... CGILT EDGE .................................... DGILWOOD ...................................... BGIMLETT ........................................ BGINAT ............................................. DGINEX ............................................ DGINGER ......................................... DGINI ................................................ BGINSBERG .................................... BGIRARD .......................................... DGIRARDOT .................................... DGIST ............................................... DGITABYTE ...................................... CGITAKUP ........................................ CGITAM ............................................ DGIVEOUT ....................................... CGIVIN .............................................. CGLADDICE ..................................... CGLADEVILLE ................................. DGLANCE ......................................... BGLASGOW ..................................... CGLASSNER .................................... DGLAWE ....................................... B/DGLAZE ............................................ BGLEN .............................................. BGLENBLAIR ................................... CGLENCARB ................................... CGLENCOE .................................. C/DGLENDENNING ............................. CGLENDERSON .............................. BGLENDIVE ..................................... CGLENDO ........................................ BGLENEDEN ................................... DGLENEYRE .................................... DGLENHAM ...................................... BGLENMEN ...................................... BGLENMORA ................................... CGLENOMA ..................................... BGLENPOOL ................................... AGLENRIO ....................................... DGLENROSS ................................... DGLENSTED .................................... DGLENTON ...................................... CGLENTOSH ................................... AGLENVIEW .................................... BGLENWOOD .................................. BGLENYON ...................................... BGLIDE ............................................. BGLOHM .......................................... CGLOIN ............................................ CGLORIA .......................................... DGLYNN ........................................... CGLYPHS ......................................... BGNAWBONE .................................. BGNOJEK ......................................... DGOATBUTTE ................................. BGOATJOE ...................................... A

GOATROCK ................................... BGOATROCKS ................................ BGOBAR ........................................... BGOBBLER ...................................... BGOBERNADOR ............................. DGODDE .......................................... DGODECKE ..................................... CGODECKE, Clay Substratum ....... DGODWIN ........................................ DGOEMMER .................................... CGOESSEL ...................................... DGOFFPEAK .................................... BGOGOMAIN ............................... B/DGOL ................................................ CGOLD CREEK ................................ DGOLDAHO ..................................... DGOLDBEACH ................................. CGOLDCORD ................................... DGOLDEAGEL ................................. CGOLDEN ........................................ DGOLDFINCH .................................. CGOLDHEAD ............................... B/DGOLDHILL, Loamy Substratum .... CGOLDHILL ...................................... DGOLDIVIDE .................................... BGOLDLAKE .................................... BGOLDMAN ..................................... CGOLDMIRE .................................... CGOLDSBORO ................................ BGOLDSMITH .................................. BGOLDSTON ................................... CGOLDSTREAM, Thawed .............. BGOLDSTREAM .............................. DGOLDVALE .................................... CGOLDVEIN ..................................... CGOLDYKE ...................................... DGOLETA ......................................... BGOLIAD .......................................... CGOLIME .......................................... CGOLLAHER .................................... DGOLONDRINA ............................... BGOLTRY ......................................... AGOLVA ........................................... BGOMERY ........................................ BGOMEZ .......................................... BGOMINE ......................................... DGONZALES .................................... DGOODINGTON .............................. DGOODLAND ................................... BGOODLOW .................................... BGOODNESS ................................... BGOODPASTER .............................. DGOODRICH .................................... BGOODSON ..................................... CGOODVIEW ................................... DGOODWILL .................................... BGOODWIN ..................................... BGOOLAWAY .................................. CGOOSE CREEK ............................ CGOOSEBURY ................................ BGOOSENAWT ............................... BGOOVAL ........................................ DGORDONPOINT ............................ BGORE ............................................. DGOREEN ........................................ DGORESVILLE ................................ BGORGONIO ................................... BGORHAM ................................... B/DGORIN ............................................ CGORMAN ....................................... CGORUS .......................................... BGOSHAWK ..................................... BGOSIL ............................................. AGOSINTA ....................................... CGOSNEY ........................................ CGOSPER ........................................ BGOTCHELL .................................... DGOTEBO ........................................ BGOUGEVILLE ............................ A/DGOULDER ...................................... BGOULDSBORO ............................. DGOURDIN ...................................... CGOURLEY ...................................... CGOUVERNEUR ............................. DGOVE ............................................. B



GOVEY ........................................... CGOWDY .......................................... BGOWEN .......................................... BGOWKER ....................................... CGOWTON ....................................... BGOZEM .......................................... DGRACOT ........................................ AGRADCO ........................................ CGRADON ........................................ CGRAFF ........................................... DGRALIC .......................................... BGRAN ............................................. DGRANATH ...................................... BGRANBUL ...................................... DGRAND ........................................... CGRANDAD ..................................... BGRANDBEND ................................ BGRANDFIELD ................................ BGRANDJEAN ................................. DGRANDMESA ................................ CGRANDMORE ............................... BGRANDPON ................................... BGRANDVIEW ............................. B/CGRANDWASH ............................... DGRANER ........................................ BGRANFLAT .................................... AGRANGE ........................................ CGRANGEMONT ............................. CGRANGEVILLE .............................. CGRANIPEAK .................................. BGRANITEPASS ............................. BGRANMOUNT ................................ CGRANSHAW .................................. BGRANTCENTER ............................ BGRANTFORK ................................. DGRANTHAM ................................... DGRANTSBURG .............................. CGRANTSDALE ............................... BGRANTURK ................................... DGRANVILLE ................................... BGRANYON ..................................... BGRANZAN ...................................... BGRAPELAND ................................. AGRASMERE ................................... BGRASSHOPPER ........................... BGRASSTON ................................... BGRASSVAL .................................... DGRASSVALLEY ............................. DGRASSYCAN ................................. DGRASSYCONE .............................. AGRASSYKNOB .............................. BGRASSYLAKE ............................... CGRASSYTRAIL .............................. BGRAUFELS .................................... CGRAVELTON ............................. B/DGRAVES ......................................... DGRAVEYA ...................................... BGRAVEYARD ................................. BGRAYBERT ................................... BGRAYFORD ................................... BGRAYLOCK ................................... BGRAYMONT ................................... BGRAYPOINT .................................. BGRAYROCK ................................... CGRAYSILL ...................................... CGRAYSTONE ................................. BGRAYWOLF ................................... BGRAZANE ...................................... CGRAZER ......................................... CGREANEY ...................................... CGREDGE ........................................ DGREEN BLUFF .............................. BGREEN CANYON .......................... BGREENBRIAR ............................... BGREENCREEK .............................. BGREENDALE ................................. BGREENE ........................................ CGREENFIELD ................................ CGREENGULCH .............................. CGREENHORN ................................ DGREENLEE .................................... BGREENMAN ................................... CGREENOUGH ................................ BGREENSCOMBE ........................... BGREENTIMBER ............................. C

GREENVILLE ................................. BGREENVINE .................................. DGREENWAY .................................. BGREENWICH ................................. BGREGGO ....................................... DGREGORY ..................................... DGREGSON ..................................... CGRELL ............................................ DGREMMERS .................................. DGRENET ......................................... AGRENNAN ..................................... BGRENOBLE ................................... DGRESHAM ..................................... CGRETDIVID .................................... BGRETOR ........................................ CGRETTUM ...................................... AGREWINGK ................................... CGREYBEAR ................................... CGREYBO ........................................ BGREYBROOK ................................ BGREYCLIFF ................................... CGREYLOCK ................................... BGREYS ........................................... BGREYSTOKE ................................. BGRIBBLE ........................................ DGRIDELL ........................................ DGRIDLEY ........................................ CGRIER ............................................ DGRIFFITH ....................................... DGRIFTON ....................................... DGRIMM ........................................... BGRINDALL ..................................... DGRINDSTONE ............................... CGRINK ............................................ DGRISDALE ..................................... BGRISMAR ....................................... AGRISWOLD .................................... BGRITNEY ....................................... CGRIVER ...................................... B/DGRIZZLE ........................................ DGRIZZLY ........................................ BGRIZZLYBLUFF ............................ BGROESBECK ................................ BGROMES........................................ BGROOM .......................................... CGROSS ........................................... CGROSSCHAT ................................ DGROTON ........................................ AGROTTO ........................................ AGROUNDHOUSE .......................... BGROUSECREEK ........................... BGROUSEHAVEN ........................... DGROUSEVILLE .............................. CGROUSLOUS ................................ DGROVE ........................................... AGROVENA ..................................... BGROVETON ................................... BGROWDEN, Shaly Substratum .... BGROWDEN .................................... CGROWLER ..................................... BGROWLER, Sandy Substratum ... CGROWSET ..................................... DGRUBBS ........................................ DGRUBE ........................................... BGRUBROB ..................................... BGRUBSTAKE ................................. BGRUENE ........................................ DGRULLA ......................................... DGRUMBLEN ................................... DGRUNDELEIN ................................ BGRUVER ........................................ CGRYTAL ......................................... BGSCHWEND .................................. BGUADALUPE ................................. BGUAM ............................................. DGUAMANI ....................................... BGUANABANO ................................ CGUANAJIBO .................................. CGUANICA ....................................... DGUANO .......................................... DGUARDLAKE ................................. AGUAYABO ...................................... AGUAYABOTA ................................. DGUAYAMA ..................................... DGUAYNAKA ................................... D

GUBE ............................................. CGUDGEL ........................................ CGUDGREY ..................................... BGUERIN .......................................... DGUERO .......................................... CGUERRERO ................................... AGUEST ........................................... CGUEYDAN ...................................... DGUFFIN .......................................... DGUGUAK ........................................ DGUIJARRAL ................................... BGUISER .......................................... BGULCH ........................................... BGULF .......................................... B/DGULKANA ...................................... BGULLIED LAND ............................. DGULLION ........................................ CGULLROCK ............................... B/DGULNARE ...................................... DGUMBOOT ................................. C/DGUNCLUB .................................. C/DGUNDY ........................................... CGUNNEL ......................................... DGUNNINGS .................................... BGUNNUK ........................................ CGUNSONE ..................................... DGUNSTOCK ................................... CGUNTER ........................................ BGURDANE ..................................... CGURDON ........................................ CGURLEY ......................................... CGURNEY ........................................ BGUSTIN .......................................... DGUSTSPRING ............................... BGUTPORT ...................................... DGUVO ............................................. DGUYAN ........................................... CGUYANDOTTE .............................. BGWENA .......................................... DGWINNER ...................................... CGWINNETT .................................... BGYBERG ........................................ CGYPLA ............................................ CHAAR ..............................................DHAARVAR ...................................... DHACCKE ......................................... CHACHITA ........................................ CHACKBERRY ................................. BHACKERS ...................................... BHACKNEY ...................................... DHACREEK ...................................... BHADAR ........................................... BHADENCREEK .............................. CHADLEY ......................................... BHADSELVILLE ............................... DHAFLINGER ................................... AHAGATA ......................................... DHAGEN ........................................... BHAGENSVILLE .............................. CHAGER ........................................... BHAGERMAN ................................... BHAGGA ........................................... CHAGGARD ..................................... DHAGSTADT .................................... CHAGUE ........................................... AHAIG ........................................... C/DHAIGHT .......................................... CHAIGHTS ....................................... BHAIGLER ........................................ CHAIKU ............................................. BHAILESBORO ................................ CHAINES .......................................... CHAIRE ............................................. DHAKKER ......................................... CHAL ................................................. BHALACAN ...................................... DHALAWA ........................................ BHALBERT ....................................... DHALDER ......................................... CHALE .......................................... C/DHALEY ............................................ BHALF MOON .................................. BHALFADAY .................................... AHALFCIRCLE ................................. BHALFOSS ....................................... B

HALFWAY ...................................... DHALII ............................................... BHALIIMAILE ................................... BHALLCREEK .................................. AHALLECK ....................................... BHALLENTON .................................. DHALLETTSVILLE ........................... DHALLIHAN ...................................... BHALLISON ...................................... CHALLORAN .................................... CHALLSBLUFF ................................ DHALSO ........................................... DHALVERSON ................................. BHALVERT ....................................... DHAMACER ..................................... AHAMAKUAPOKO ........................... BHAMBLEN ...................................... CHAMBONE ..................................... BHAMBROOK .................................. BHAMBURG ..................................... BHAMBURN ..................................... BHAMBY ........................................... CHAMDEN ........................................ BHAMEL ....................................... B/DHAMILTON ..................................... BHAMLET ......................................... BHAMMACK ..................................... BHAMMAHAMMA ............................ CHAMMERSLEY .............................. CHAMMOND .................................... CHAMPLAIN ..................................... BHAMPSHIRE .................................. CHAMPSON .....................................CHAMRE ....................................... C/DHAMRUB ........................................ BHANA .............................................. AHANAGITA .....................................DHANAKER ...................................... CHANAMAULU ................................. BHANCEVILLE ................................. BHAND ............................................. BHANDKE ......................................... AHANDOFF ...................................... BHANDSBORO ................................ DHANEY ........................................... BHANGAARD ............................... A/DHANGDO ........................................ BHANGROCK ................................... DHANGTOWN .................................. BHANIPOE ....................................... CHANIS ............................................. CHANKS ........................................... BHANKSVILLE .................................CHANLON ......................................... BHANN ............................................. BHANNA ........................................... BHANNAHATCHEE ......................... BHANNAWA .....................................DHANNEGAN ................................... DHANNON ........................................ DHANS .............................................. BHANTHO ........................................ BHAOZOUS ...................................... BHAPJACK ....................................... DHAPNEY .........................................DHAPPLE ......................................... BHAPPUS ......................................... AHAPPYHOME ................................ CHAPUR ........................................... DHARAHILL ...................................... CHARBESON ................................... DHARBOR ........................................ CHARBORD ..................................... BHARCO ........................................... BHARCOT .................................... B/DHARDEMAN ................................... BHARDESTY .................................... BHARDHART ................................... BHARDISTER .................................. BHARDOL ......................................... BHARDSCRABBLE .......................... DHARDTRIGGER ............................ BHARDWICK .................................... CHARDY ........................................... CHARDZEM ...................................... C



HARECREEK ................................. BHARGILL ........................................ BHARGREAVE ................................. BHARJO ........................................... DHARKEN ......................................... CHARL .............................................. BHARLAKE ....................................... DHARLESTON ................................. CHARM ............................................. DHARMILLER ................................... BHARNEY ......................................... BHARPER ......................................... DHARPERSVILLE ............................ DHARPETH ...................................... BHARPOLE ...................................... AHARPOLE ...................................... BHARPS ........................................... CHARPT ........................................... BHARRAH ........................................ BHARREL ......................................... BHARRIMAN .................................... CHARRINGTON ............................... CHARRIS .......................................... DHARRISBURG ............................... DHARRISON .................................... BHARROD ........................................ BHARSLOW ..................................... CHARSTINE ..................................... CHART .............................................. CHARTER ......................................... CHARTFORD ................................... AHARTLAND .................................... BHARTLESS .................................... BHARTNIT ........................................ CHARTOP ......................................... BHARTSELLS .................................. BHARTSHORN ................................ BHARTWELL .................................... DHARTWICK .................................... AHARTZ ............................................ BHARVESTER ................................. BHARVEY ......................................... CHASKILL ......................................... BHASLIE ....................................... A/DHASSEE ......................................... DHASSELL ....................................... CHASSLER ....................................... CHASSMAN ...................................... DHASTEE ......................................... BHAT ................................................. CHATBORO ...................................... DHATCH ........................................... DHATCHERY ................................... CHATCHET ...................................... BHATCHIE ........................................ CHATERMUS ................................... DHATERTON .................................... CHATFIELD ...................................... CHATHAWAY ................................... BHATKNOLL .................................... BHATLIFF ......................................... CHATMAKER ................................... CHATRANCH ................................... DHATSPRING .................................. CHATTON ......................................... CHATU .............................................. DHATUR ........................................... CHATWAI .......................................... CHAUBSTADT ................................. CHAUG ......................................... B/DHAUGAN ........................................ BHAUGEN ........................................ BHAULINGS ..................................... DHAUZ .............................................. CHAVA .............................................. CHAVANA ......................................... BHAVELOCK ................................ B/DHAVEN ........................................... BHAVENSNECK .............................. BHAVERDAD ................................... CHAVERHILL ................................... DHAVERMOM .................................. BHAVERSID ..................................... BHAVERTEL .................................... BHAVILAND ..................................... B

HAWICK ......................................... AHAWKEYE ..................................... AHAWKSNEST ............................ C/DHAWKSPRINGS ............................ BHAWKSTONE ................................ BHAWLEY ........................................ BHAWTHORNE ................................ BHAXBY ...........................................CHAYCRIK ....................................... CHAYES ........................................... BHAYESTON ................................... BHAYESVILLE ................................. BHAYESVILLE, Stony ..................... CHAYFORD ...................................... CHAYLAND ...................................... CHAYNAP ......................................... AHAYNER .........................................CHAYNESS ...................................... BHAYRACK ...................................... CHAYRIVER ..................................... BHAYSPUR ...................................... DHAYSTACK .................................... BHAYSTORE ................................... CHAYSUM ........................................ BHAYTI ............................................. DHAYWIRE ....................................... CHAZELAIR ...................................... DHAZELCAMP ................................. BHAZEN ........................................... BHAZLEHURST ............................... CHAZTON .........................................DHEADLEY ....................................... BHEADQUARTERS ......................... BHEAKE ...........................................DHEALDTON .................................... DHEALING ........................................ BHEAPO ........................................... BHEAPO ...........................................CHEARNE .........................................DHEATH ...........................................DHEATHCOAT .................................DHEATLY ......................................... AHEATON ......................................... AHEBBRONVILLE ........................... BHEBER ........................................... AHEBO ............................................. DHECETA .........................................DHECHTMAN ................................... DHECKER ......................................... BHECKISON .................................... DHECKLY .........................................CHEDGE ...........................................DHEDSTROM ................................... BHEDVILLE ...................................... DHEELAND ...................................... DHEELY ............................................ BHEESER ......................................... BHEFED ........................................... BHEFLIN ........................................... BHEGGE ...........................................DHEGLAR ......................................... BHEIDEL .......................................... BHEIGHTS ................................... B/DHEIL ................................................ DHEINSAW ....................................... CHEINZ ............................................. BHEISLER ........................................ BHEISSPITZ .....................................DHEITT ............................................. CHEIZER .......................................... DHELEMANO ................................... BHELLGATE .................................... BHELLMAN ...................................... CHELLWIG ................................... C/DHELM ..............................................DHELMER .........................................CHELMET .........................................CHELMICK ....................................... DHELVETIA ...................................... CHELY ..............................................CHEMAN ...........................................DHEMCROSS................................... BHEMINGFORD............................... BHEMPHILL .....................................DHEMPSTEAD ................................. B

HENCO ....................................... B/DHENDAP ......................................... DHENDERSON ................................ BHENDON ........................................ CHENDRICKS .................................. BHENDY ........................................... CHENKIN .......................................... BHENKLE, Extremely Cobby .......... BHENKLE ......................................... CHENLEY ......................................... CHENLINE ........................................ CHENMEL ......................................... CHENNEWAY ................................... BHENNINGS .................................... BHENRIETTA ............................... B/DHENRY ........................................... DHENRYSFORK .............................. CHENRYSLAKE ............................... DHEPPSIE ........................................ DHERAKLE ....................................... DHERBEL ......................................... AHERBERT ...................................... BHERBMAN ..................................... AHERBOLD ...................................... CHERCULES .................................... CHERDCAMP ................................... DHERITO .......................................... CHERJUN ......................................... BHERLONG ...................................... DHERMANTOWN ............................. CHERMERING ................................. BHERMIT .......................................... BHERMSHALE ................................. CHERNANDEZ ................................. BHERNDON ..................................... BHERO ............................................. BHEROD ........................................... DHERRICK ....................................... BHERSEY ......................................... BHERSH ........................................... BHERTY ........................................... DHESHOTAUTHLA .......................... DHESPER ......................................... BHESS .............................................. BHESSELBERG ............................... DHESSING ....................................... BHESSLAN ....................................... CHETLAND ....................................... CHETTINGER .............................. C/DHEUSSER ...................................... CHEUVELTON ................................. CHEVERLO ...................................... BHEWITT .......................................... DHEWOLF ........................................ BHEXT .............................................. BHEYDER ......................................... BHEYDLAUFF .................................. DHEYTOU ......................................... BHEYTO, Stony, Cool ..................... CHIARC ............................................ CHIATHA .......................................... DHIBAR ............................................. CHIBBARD ....................................... CHIBBING ......................................... CHIBLER .......................................... CHIBRITEN ....................................... BHIBSAW ......................................... DHICKEY .......................................... BHICKIWAN ..................................... DHICKS ............................................. BHICKSVILLE .................................. CHICORIA .................................... B/DHICOTA .......................................... BHIDATSA ........................................ BHIDEAWAY .................................... DHIDEWOOD ............................... B/DHIDVALLE ...................................... BHIGGINS ........................................ DHIGGINSVILLE .............................. CHIGH GAP ...................................... CHIGHBANK .................................... CHIGHCAMP .................................... BHIGHCREEK .................................. BHIGHHORN .................................... BHIGHLAND ..................................... B

HIGHLAND ..................................... CHIGHPOINT ................................... DHIGHSPLINT .................................. BHIGHTOWER ................................. CHIGHUP .......................................... CHIGHVALLEY ................................. BHIHIMANU ...................................... BHILAIRE ......................................... BHILDEBRECHT .............................. CHILDRETH ..................................... DHILEA ............................................. DHILES ............................................. BHILGRAVE ..................................... BHILINE ............................................ DHILKEN .......................................... CHILLBRICK ..................................... DHILLCITY ........................................ BHILLCO .......................................... BHILLCREEK ................................... BHILLEMANN ................................... CHILLIARD ....................................... BHILLIARD, Moderatelly WellDrained ........................................... CHILLSDALE .................................... BHILLTISH ........................................ BHILLTO ........................................... CHILLTOPPE ................................... CHILLVIEW ................................... B/DHILLWOOD .................................... BHILMAR ...................................... B/DHILO ............................................... AHILTABIDEL ................................... DHINDES .......................................... CHINDMAN ....................................... BHINESBURG .................................. CHINGHAM ...................................... BHINKER .......................................... CHINKLE .......................................... DHINMAN ......................................... CHINSDALE ..................................... DHINTERLAND ................................ DHINTON .......................................... BHIRAMSBURG ............................... CHIRSCHDALE ................................ CHISEGA .......................................... CHISNA ............................................. DHISTOSOLS ................................... DHITCHCOCK .................................. BHITILO ............................................ AHITT ................................................ BHIWOOD ........................................ AHOADLY ......................................... CHOBAN ........................................... BHOBBS ........................................... BHOBBY ........................................... CHOBE ............................................. AHOBIT ............................................. CHOBONNY ..................................... DHOBSON ........................................ CHOBUCKEN ................................... DHOCAR ........................................... DHOCKINSON ............................. B/DHOCKINSO, Moderately Wet ....... CHOCKLEY ...................................... CHOCKLE, Graded .......................... DHODEDO ........................................ CHODENPYL ................................... BHODGSON ..................................... CHOEHNE ........................................ AHOFFMAN ...................................... BHOFFMANVILLE ........................... CHOFSTAD ...................................... DHOGADERO .................................. BHOGAN .......................................... CHOGCREEK ................................... CHOGENSBORG ............................. DHOGHEAVEN ................................ BHOGMALAT ................................... DHOGRANCH .................................. BHOGRIS ......................................... BHOGRIS, Extremely Cobbly ......... DHOH ................................................ BHOHMANN ..................................... CHOKO ............................................. CHOLBORN ...................................... C



HOLCOMB ..................................... DHOLDEN ......................................... BHOLDERMAN ................................ CHOLDERTON ................................. BHOLDINGFORD ............................ CHOLINROCK .................................. CHOLKAT ......................................... BHOLLACE ....................................... DHOLLANDLAKE ............................. BHOLLISTER ................................... DHOLLOMEX ................................... BHOLLOW ........................................ CHOLLOWTREE .............................. CHOLLY ........................................ B/DHOLLYBROOK .............................. CHOLLYWOOD ................................ DHOLMAN ........................................ AHOLMDEL ...................................... CHOLMQUIST .................................. DHOLMZIE ....................................... CHOLOHAN ...................................... BHOLOMUA ..................................... BHOLSINE ........................................ BHOLSTEIN ..................................... BHOLSTON ...................................... BHOLT .............................................. BHOLTER ......................................... BHOLTVILLE .................................... DHOMA ............................................. CHOMELAKE ................................... BHOMELAND ................................... CHOMEN .......................................... BHOMESTEAD ................................ BHOMEWOOD ................................. CHOMME, Moderately Wet ............. BHOMME .......................................... CHOMOSASSA ................................ DHONAUNAU ................................... CHONDEE ........................................ BHONEYCREEK .............................. BHONEYDEW .................................. CHONEYVILLE ................................. CHONGA .......................................... DHONLAK ......................................... CHONOBIA ....................................... CHONOKAA ..................................... AHONOLUA ...................................... BHONOMANU .................................. AHONONEGAH ................................ AHONOULIULI ................................. DHONTAS ......................................... BHONTOON ................................. B/DHONUAULU ................................... AHOOD ............................................. BHOOD CANAL ............................... CHOODVIEW ................................... BHOOGDAL ..................................... CHOOKSAN ..................................... AHOOKTON ..................................... CHOOLEHUA ................................... BHOOLY ........................................... CHOOP ............................................. BHOOPAL ......................................... DHOOPPOLE ............................... B/DHOOSAN ........................................ BHOOSEGOW ................................. BHOOSIERVILLE ............................. CHOOSKANADEN ........................... DHOOTEN ........................................ DHOOTENTOWN ............................. BHOOTER ........................................ CHOOVERS ..................................... DHOOVERTON ................................ CHOPBURN ..................................... BHOPCO .......................................... CHOPDRAW ..................................... AHOPKINS ....................................... BHOPLAND ...................................... BHOPLEY ......................................... BHOPPERS ...................................... CHOPPS ........................................... DHOPPSWELL ................................. BHOQUIAM ...................................... BHORCADO ..................................... AHOREB, Gravelly Substratum ...... B

HOREB ........................................... CHORNBECK ................................... DHORNELL ...................................... DHORNELLSVILLE .......................... DHORNER ........................................ AHORNER, Graavelly Substratum . BHORNEYBUCK .............................. CHORNICK ....................................... CHORNING ...................................... AHORNITOS .................................... DHORNSBORO ................................ DHORNSBY ...................................... CHORNSVILLE ................................ CHORROCKS................................... CHORSECAMP ................................ DHORSEHEAD ................................ AHORSEPRAIRIE ............................ BHORSLEY ...................................... DHORTONVILLE, LimestoneSubstratum ..................................... BHORTONVILLE .............................. CHOSFORD ..................................... DHOSKAY ......................................... CHOSLEY ......................................... DHOSMER ........................................ CHOSPAH ........................................ DHOSSICK ....................................... BHOSTA, Loamy Surface ................ CHOSTA ........................................... DHOSTAGE ...................................... BHOT LAKE ...................................... CHOTAW .......................................... BHOTCREEK ................................... DHOTEL ............................................ CHOTSPOT ...................................... DHOTSPRINGS ............................... BHOTTIS .......................................... DHOUCKTOWN ............................... BHOUGHTON .................................. DHOUK ............................................. CHOULA ........................................... BHOULKA ......................................... DHOURGLASS ................................. CHOUSEROCK ................................ DHOUSTENADER ........................... DHOUSTON ..................................... DHOUSTON BLACK ........................ DHOVDE ........................................... DHOVEN ........................................... DHOVERT ......................................... DHOWARD ....................................... AHOWARDSVILLE .......................... AHOWCREE ..................................... CHOWE ............................................ CHOWELL ........................................ CHOWMEADOWS ........................... DHOWSON ....................................... CHOXIE ............................................ DHOYLETON ................................... CHOYLETON, Mines Sinks ............. DHOZHO ........................................... DHOZOMEEN................................... DHUACHUCA ................................... DHUALAPAI ...................................... CHUB ................................................ BHUBBELL ....................................... BHUBERLY ...................................... DHUBERT ......................................... BHUBLERSBURG ............................ BHUCKLEBERRY, High Rainfall .... BHUCKLEBERRY ............................ CHUCKRIDGE .................................. BHUDDLE ......................................... BHUDNUT ........................................ BHUDSPETH ................................... CHUECO ........................................... CHUEL .............................................. AHUEY .............................................. DHUFFLING ..................................... DHUFFMAN ...................................... BHUFFTON ...................................... BHUFMAN ........................................ DHUGGINS ....................................... CHUGHES ........................................ BHUGHESVILLE .............................. C

HUGUSTON ................................... DHUICHICA .................................. C/DHUILEPASS ................................... BHULDA ........................................... DHULDERMAN ................................ DHULETT .......................................... BHULLIGAN ................................. B/DHULLS ............................................ CHULLSGULCH ............................... BHULLT ............................................ BHULUA ........................................... DHUMACAO ..................................... BHUMATAS ...................................... CHUMBARGER ................................ BHUMBARSPRINGS ....................... BHUMBUG ........................................ BHUME ............................................. CHUMMINGTON .............................. CHUMSKEL ...................................... CHUNCHBACK ................................ DHUNDRAW ..................................... DHUNGRY ........................................ CHUNGRYGULCH ........................... BHUNSINGER .................................. BHUNTDALE .................................... BHUNTERS ...................................... BHUNTERSCOVE ........................... CHUNTIMER .................................... CHUNTLEY ....................................... DHUNTMOUNT ................................ BHUNTROCK ................................... BHUNTSBURG ................................ DHUOT ............................................. BHURDS ........................................... BHURLBUT ...................................... CHURLOCK .................................. B/DHURRYBACK ................................. BHUSE ..............................................DHUSKA ........................................... DHUSSA ....................................... B/CHUSSELL ....................................... BHUSSEY ......................................... BHUSTONTOWN ............................. CHUSUM .......................................... BHUTCHINSON ............................... CHUTSON ........................................ BHUTT ..............................................DHUXLEY ......................................... CHUYSINK ....................................... BHYALL ............................................ CHYANNIS ....................................... BHYAS .............................................. BHYATTS ......................................... CHYATTSTOWN .............................. DHYATTVILLE .................................. CHYDABURG ................................... DHYDE .......................................... B/DHYDELAND ................................ B/DHYDRO ........................................... CHYE ................................................ BHYLOC ........................................... DHYNES ........................................... BHYPRAIRIE .................................... CHYSHAM ........................................ DHYSHOT ......................................... DHYZEN ........................................... DIAO .................................................. BIARGO ............................................ CIBERIA ............................................ DIBEX ................................................ BIBOLA ............................................. CICACOS .......................................... DICARIA ........................................... DICEBERG ....................................... DICESLEW, Cool ............................. CICESLEW ....................................... DICHBOD .......................................... DICHETUCKNEE ............................. DIDABEL ........................................... BIDAHOME ....................................... BIDAMONT ....................................... BIDEE ............................................... CIDLEWILD .................................. C/DIDMON ............................................ BIDMONTON .................................... C

IDWAY ............................................ BIFFGULCH .....................................DIFTEEN ........................................... BIGERT ............................................. CIGNORD .........................................CIGUALDAD .....................................DIHLEN ............................................. BIJAM ................................................ DIKE .................................................. DIKIT ................................................. DIKSGIZA .........................................DILACHETOMEL .............................. DILDECARB ..................................... BILIILI ................................................ DILLABOT .........................................CILLAHEE ......................................... BILLER .............................................. BILLIANO .......................................... DILLITO ............................................ DILTON ............................................. CILWACO ......................................... BIMBLER .......................................... BIMLAY ............................................. DIMMANUEL .................................... CIMMIANT ........................................ CIMMOKALEE .................................. DIMNAHA .......................................... CINCELL ........................................... DINCHELIUM ................................... BINCY ............................................... AINDART .......................................... CINDEX ............................................. AINDIAHOMA ................................... DINDIANOLA .................................... AINDIANPASS ................................. BINDIANTOWN ................................ DINDLETON ..................................... BINEL ................................................ DINEZ ................................................ DINFERNO ....................................... CINGALLS ........................................ BINGENIO ........................................ BINGERSOLL ................................... BINGLEDOVE .................................. BINGLESIDE .................................... BINKOM ........................................ C/DINKOSR .......................................... DINLOW ............................................ CINMACHUK .................................... DINPENDENCE ................................ BINSAK ............................................. DINSIDERT ....................................... DINSKIP ............................................ CINVERNESS .................................. BINVERSHIEL .................................. CIO .................................................... BIOGOON ......................................... BIOLEAU .......................................... CION ................................................. BIONA ............................................... BIONIA .............................................. BIOTA ............................................... DIOTLA ............................................. BIPANO ............................................ CIPAVA ............................................. BIPISH ..............................................CIPSOOT .......................................... AIRAAN ............................................. BIRAK ............................................... DIRASBURG .................................... CIRENE ............................................. BIRIS ................................................. BIRMA ............................................... BIROCK ............................................ CIRON BLOSSOM ........................... CIRONA ............................................ DIRONBRIDGE ................................ DIRONCITY ...................................... BIRONDALE .....................................CIRONDYKE .................................... BIRONGATE .................................... BIRONGOLD .................................... DIRONRUN ....................................... BIRONSPRINGS .............................. BIROQUOIS ................................. B/D



IRRAWADDY ................................. CIRRIGON ........................................ CIRVINE ........................................... DIRVINGTON ................................... CISAAC ............................................. CISCHUA .......................................... BISELLA ........................................... BISHI PISHI ...................................... CISHMAEL ........................................ AISIDOR ........................................... DISKNAT .......................................... DISLAMORADA ................................ DISLAND .......................................... BISLANDLAKE ................................. AISLANDPARK ................................ BISLES ......................................... A/DISLOTE ........................................... BISMAY ............................................ BISTOKPOGA .............................. B/DITANO ............................................. CITASCA .......................................... BITAT ................................................ BITHACA .......................................... CITMANN .......................................... CITSWOOT ....................................... BIUKA ............................................... CIULUS ............................................. BIVA .................................................. CIVAN ............................................... BIVANELL ......................................... CIVANHOE ....................................... DIVANPATCH ................................... BIVER ............................................... BIVERSEN ........................................ CIVES ................................................ DIVIE ................................................. AIVORY ............................................ CIWAIT .............................................. BIWELA ............................................ BIWICA ............................................. CIXIAN .............................................. CIZAGORA ....................................... CIZEE ................................................ CJABU .......................................... B/CJACAGUAS .................................... BJACANA ......................................... DJACEE ............................................ CJACINTO ........................................ BJACK CREEK ................................. AJACKLAND .................................... DJACKMAN ...................................... BJACKPORT .................................... DJACKPOT ....................................... CJACKSBACK .................................. CJACKSBORO ................................. DJACKSON ...................................... BJACOBSEN .................................... DJACOBY ......................................... CJACONITA ...................................... AJACQUITH ..................................... CJACRATZ ....................................... DJADIS ............................................. BJADPOR ......................................... BJAFA ............................................... CJAGERSON ................................... CJAGON ........................................... DJAGUEYES .................................... BJAHANT .......................................... DJAHJO ............................................ DJALMAR ......................................... AJAM ................................................. BJAMES CANYON ....................... B/DJAMESTON ................................ C/DJAMESTOWN ................................ CJANELEW ...................................... CJANESBURG ................................. DJANILE, Bouldery .......................... CJANISE, Overblown, Drained ....... BJANKOSH ...................................... CJANNEY ..................................... C/DJANSITE ......................................... BJANUDE ......................................... CJARAB ............................................ DJARBIDGE ..................................... DJARBOE ......................................... D

JARDAL .......................................... CJARDIN ...........................................DJAREALES .....................................DJARITA ...........................................CJAROSO ......................................... BJARRE ............................................ BJARRON .........................................DJASCO ............................................ DJASSEEK ....................................... CJAUCAS .........................................CJAURIGA ........................................ BJAWBONE ...................................... DJAY ................................................. CJAYAR ............................................ CJAYEL ............................................. DJAYHAWKER .................................DJAYNES .........................................DJAYPE ............................................ CJAYPEAK ....................................... BJAYWI ............................................. BJEAGER .........................................CJEALOUSY .................................... CJEAN LAKE .................................... BJEANERETTE ................................DJEBE ............................................... BJEBO .............................................. AJEBO .............................................. BJEDBURG ...................................... CJEDDO ....................................... C/DJEFFERS ................................... B/DJEFFLAKE...................................... CJEKLEY .......................................... CJELLICO .........................................CJEMERSON ................................... BJENA .............................................. BJENERA ......................................... BJENEVA ......................................... BJENKINS ........................................ AJENKINSON ................................... DJENKS ............................................ BJENOR ...........................................CJERAG ............................................ DJERKTAIL ....................................... CJEROME .........................................DJERUSALEM .................................. AJESBEL .......................................... DJESKE ............................................ CJESSIETOWN ................................ BJESSUP .........................................CJESTER .......................................... AJETCOP .........................................DJETMINE ........................................ DJETSTER ....................................... CJEVETS .......................................... CJEVNE ............................................ CJIGSAW .......................................... BJILSON ...........................................DJIM .................................................. CJIMBEE .......................................... DJIMBLUFF ...................................... BJIMCOMLATE ................................ BJIMCREEK .....................................CJIMEK ............................................. CJIMENEZ ........................................ CJIMGREEN .....................................DJIMLAKE ........................................ BJIMSAGE ........................................ BJIMTOWN ....................................... CJIVAS .............................................. BJOBOS ...........................................CJOBPEAK ....................................... DJOEBALDY .................................... BJOEBAS .........................................DJOEMRE ......................................... BJOENEY .........................................DJOEVAR ......................................... BJOHNS ...........................................CJOHNSBURG ............................. C/DJOHNSBUTTE ............................... CJOHNSTON .................................... DJOHNSTOWN ................................ BJOHNTOM ...................................... DJOICE ............................................. DJOINER .......................................... AJOKODOWSKI ............................... D

JOLAN ............................................ CJOLIET ........................................... DJOLLIES ......................................... BJONATHAN .................................... BJONCA ........................................... CJONDA ........................................... BJONES ............................................ BJONESBORO ................................. CJONESVILLE ................................. BJONLAKE ....................................... DJONNIC .......................................... CJONPOL ......................................... CJOPPA ............................................ BJORDY ........................................... CJORGE ........................................... BJORGENSEN ................................. BJORN .............................................. CJORNAHAM ................................... BJORSTED ....................................... CJOSHUA ......................................... CJOSIE ............................................. BJOSLIN ........................................... BJOSSET .......................................... CJOTAVA .......................................... CJOURDANTON .............................. BJOVEATCH .................................... DJOVINE .......................................... BJOWEC ........................................... DJOYCE ............................................ BJUANA DIAZ .................................. BJUANDEFUCA ............................... BJUBILEE ..................................... B/DJUBIN ............................................. AJUDA .............................................. BJUDD .............................................. CJUDGETOWN ................................ BJUDICE ........................................... DJUG ................................................. BJUGHANDLE ................................. BJUGSON ......................................... CJUGTOWN ..................................... CJULIN .............................................. DJUMBLE ......................................... BJUMBO ........................................... BJUMPCREEK ................................. CJUMPER ......................................... CJUMPMORE ................................... BJUMPOFF ...................................... CJUNALUSKA .................................. BJUNCAL .......................................... CJUNCOS ......................................... DJUNEBEE ....................................... BJUNGO ........................................... BJUNIPERO ..................................... BJUNIUS ........................................... CJUNQUITOS .................................. CJUNTURA ....................................... DJURVANNAH ................................. CJUSTIN ........................................... BKAALUALU .................................... AKAB ................................................. DKABEAR ......................................... BKABOOM ........................................ DKACHEMAK ................................... BKACHESS ...................................... BKACKLEY ....................................... CKADLETZ ....................................... BKADOKA ......................................... CKAENA ........................................... DKAFFUR ......................................... DKAFING .......................................... BKAHALUU ...................................... DKAHANA ......................................... BKAHANUI ....................................... CKAHLOTUS .................................... BKAHMAH ........................................ BKAHN .............................................. BKAHNEETA .................................... CKAHOLA ......................................... BKAHOOLAWE ................................ BKAHUA ........................................... DKAI .................................................. CKAIDERS ........................................ BKAIKLI ............................................ DKAILUA ........................................... A

KAIMU ............................................ AKAINALIU ....................................... AKAINTUCK ..................................... BKAIPOIOI ........................................ BKAITO ............................................. BKAIWIKI .......................................... AKALAE ............................................ BKALALOCH .................................... BKALAMA ......................................... CKALAMAZOO ................................. BKALAMBACH ................................. BKALAPA ......................................... BKALAUPAPA .................................. DKALEETAN .................................... BKALEETAN, Till Substratum ......... CKALIFONSKY ................................. DKALIGA ...................................... B/DKALIHI ............................................ DKALLIO ........................................... CKALMARVILLE .......................... B/DKALO ..............................................CKALOKO ......................................... DKALONA ......................................... CKALSIN ........................................... CKAMAKOA ...................................... BKAMAOLE ...................................... BKAMAY ........................................... DKAMELA ......................................... CKAMIE ............................................ BKAMM ............................................. BKAMPVILLE ................................... CKANACKEY .................................... DKANAKA ......................................... BKANARANZI ................................... BKANASKAT .................................... BKANCAN ......................................... BKANDALY ....................................... AKANDIK .......................................... BKANDIYOHI ............................... C/DKANEBREAK ................................. CKANELOA ...................................... BKANEOHE ...................................... BKANEPUU ...................................... BKANER ........................................... AKANESPRINGS ............................. DKANG ............................................. CKANGAS ......................................... AKANIKSU ........................................ BKANKAKEE .................................... BKANORADO ................................... CKANOTIN ................................... A/DKANTISHNA ................................... DKANUTCHAN ................................. DKANZA ............................................ DKAPAA ............................................ BKAPAPALA .................................... BKAPAPALA, Bedrook Substratum CKAPLAN ......................................... DKAPPES ......................................... BKAPUHIKANI ................................. DKARAMIN ....................................... AKARANKAWA ................................ DKARBANA ...................................... CKARHEEN ...................................... DKARLAN ......................................... CKARLO ........................................... DKARLOFF ....................................... BKARLSBORG ................................. CKARLSRUHE ................................. AKARLSTAD .................................... AKARLUK ......................................... DKARMA ........................................... BKARNES ......................................... BKARNEY ......................................... DKAROC ........................................... BKARPP ........................................... DKARS .............................................. AKARS/ Loamy Substratum ............ BKARSHNER ................................... DKARTA ............................................ CKASEBERG ................................... DKASHWITNA .................................. BKASIANA ........................................ DKASKELA ....................................... DKASOTA ......................................... C



KASPAL ......................................... CKASSON ......................................... CKATAMA ......................................... BKATELANA .................................... BKATEMCY ...................................... CKATHER ......................................... CKATKA ............................................ BKATLON ......................................... CKATPA ............................................ BKATSEANES .................................. DKATULA ......................................... CKATY .............................................. DKATYBLAY ..................................... BKAUDER ......................................... DKAUKAUNA ................................... CKAUPO ........................................... AKAUPPI .......................................... BKAVON ........................................... BKAWAH .......................................... AKAWAIHAE .................................... CKAWEETA ...................................... BKAWKAWLIN ................................. CKAYMINE ....................................... CKAYO .............................................. BKEALIA ........................................... DKEANSBURG ................................. DKEARL ............................................ CKEARNSAR ................................... BKEATING ........................................ CKEAUALALO .................................. BKEAUKAHA .................................... DKEAWAKAPU ................................ BKEBA .............................................. BKEBLER ......................................... BKECKSROAD ................................. CKEDA .............................................. BKEECHI .......................................... CKEEFA ............................................ BKEEI ................................................ DKEEKEE ......................................... BKEEL .............................................. CKEELDAR ....................................... BKEELE ............................................ BKEENE ........................................... CKEENER ......................................... BKEESE ............................................ DKEETER ......................................... CKEEWATIN .................................... CKEG ................................................ BKEGEL ........................................ C/DKEGLER ......................................... CKEGONSA ...................................... BKEHAR ........................................... DKEHENA ......................................... CKEHOE ........................................... BKEIFFER ........................................ CKEISER .......................................... BKEITHVILLE ................................... CKEKAKE ......................................... DKELL ............................................... BKELLER .......................................... CKELLERBUTTE ............................. BKELLISON ...................................... DKELLOGG ...................................... AKELLOGGS .................................... CKELLY ............................................ DKELSEY ......................................... BKELSO ............................................ CKELSTRUP .................................... BKELTYS .......................................... BKELVIN ........................................... CKEMAH ........................................... DKEMAN ........................................... BKEMMERER ................................... DKEMOO .......................................... BKEMP ............................................. CKENAI ............................................. CKENDRICK ..................................... AKENEFICK ..................................... BKENESAW ..................................... BKENILWORTH ............................... CKENMOOR ..................................... BKENNEY ......................................... AKENNY LAKE ................................. BKENO ............................................. D

KENOTRAIL ................................... CKENRAY ......................................... AKENRIDGE .................................... CKENSAL ......................................... BKENSINGTON ............................... CKENSPUR ...................................... BKENTLAND ................................ A/DKENTUCK .................................. B/DKENUSKY ...................................... DKEO ................................................ BKEOKUK ......................................... BKEOSAUQUA ................................ BKEOTA ........................................... BKEOWNS.................................... B/DKEPHART ...................................... BKERBER ......................................... BKERBY ....................................... B/CKERHAYDEN ................................. BKERMIT .......................................... AKERNAN ......................................... CKERR .............................................. BKERRDAM, Moderate Perm ......... BKERRDAM ..................................... CKERRFIELD ................................... CKERRICK ....................................... BKERRVILLE ................................... CKERSHAW ..................................... AKERSTON .................................. A/DKERT .............................................. CKESHENA ...................................... BKESSON ......................................... DKETCHLY ....................................... BKETLAND ....................................... CKETTLEBELLY .............................. BKETTLEMAN, Gravelly ................. BKETTLEMAN .................................. CKETTNER ....................................... DKEUTERVILLE ............................... BKEVANTON ................................... CKEVILAR ........................................ BKEWACH ........................................ CKEWAKE ........................................ AKEYLARGO ................................... DKEYNER ......................................... BKEYOLE ......................................... BKEYPORT ...................................... CKEYSTONE .................................... AKEYVACA ...................................... DKEYWEST ...................................... DKEZAR ............................................ BKIAN ............................................... CKIAWAH ..................................... B/DKIBESILLAH .................................. CKICHATNA ..................................... AKICKERVILLE ................................ BKICKINGHORSE ........................... BKIDAMI ........................................... BKIDWELL ........................................ BKIESEL ........................................... CKIETZKE ........................................ DKILAUEA ........................................ BKILDOR .......................................... CKILGORE ....................................... CKILLARNEY ................................... CKILLBUCK .................................. C/DKILLET ........................................... BKILLEY ........................................... CKILLINGTON .................................. DKILLMASTER ................................. CKILMANAGH .................................. CKILMER .......................................... CKILMERQUE .................................. CKILOA ............................................. AKILOHANA ..................................... AKILOWAN ....................................... CKILTABAR ...................................... CKILWINNING .................................. DKIM ................................................. CKIMBLE .......................................... BKIMBLES ........................................ DKIMMELL ........................................ CKIMPTON ....................................... CKIMROSE ....................................... DKINA ............................................... DKINCHELOE .................................. D

KINCO ............................................ AKINDANINA .................................... DKINDER .......................................... CKINDIG ........................................... BKINDY ............................................. CKINESAVA ..................................... CKINGCO ......................................... DKINGDON ....................................... BKINGFISHER ................................. BKINGILE ......................................... CKINGINGHAM ................................ CKINGMAN ....................................... DKINGMONT .................................... BKINGS ............................................ DKINGSBURY .................................. DKINGSDOWN ................................. BKINGSFERRY ............................ B/DKINGSLAND .............................. A/DKINGSLEY ..................................... BKINGSPOINT ................................. BKINGSRIVER ............................. B/DKINGSTON .................................... BKINGTUT ........................................ DKINKEAD ........................................ CKINKEL, Gravelly ........................... BKINKEL ........................................... CKINKORA ....................................... DKINLEY ........................................... BKINMAN .......................................... CKINNEAR ....................................... BKINNICK ......................................... BKINNICK ......................................... CKINOCKITY .................................... DKINSMAN ....................................... CKINSTON ................................... B/DKINTA ............................................. DKINTON .......................................... CKINUSTA ........................................ DKINZEL ........................................... BKINZUA .......................................... BKIOMATIA ...................................... AKIOTE ............................................. BKIOUS ............................................ DKIPER ............................................. BKIPLING ......................................... DKIPSON .......................................... DKIRBYVILLE .................................. BKIRKENDALL ................................. CKIRKLAND ..................................... DKIRKSEY ........................................ CKIRKVILLE ..................................... CKIRLEY ........................................... CKIRVIN ........................................... CKIRVIN, Graded ............................. DKISATCHIE .................................... DKISCOVE ....................................... DKISHWALK ..................................... DKISHWAUKEE ............................... BKISRING ..................................... C/DKISSICK ......................................... CKISTIRN ......................................... BKITCARSON .................................. BKITCHEN CREEK .......................... BKITI ................................................. DKITKUN .......................................... DKITSAP ........................................... CKITSILI ........................................... BKITTERLL ....................................... DKITTERMAN .................................. CKITTITAS .................................... C/DKITTLESON ................................... BKITTSON ........................................ CKIYI ................................................. CKIZHUYAK, Modeately Wet .......... BKIZHUYAK ..................................... DKLABER ..................................... C/DKLACKING ..................................... AKLADNICK ..................................... AKLADNICK, Stony ......................... BKLAHOWYA ................................... CKLAMATH ...................................... DKLANELNEECHENA ..................... DKLAPOT ......................................... BKLASI ............................................. DKLAUS ............................................ C

KLAWATTI .....................................CKLAYENT ....................................... CKLICKIMA ....................................... DKLICKO .......................................... BKLIENPETER ................................. BKLINE, Cobbly ............................... BKLINE, Protected ........................... CKLINGER ........................................ BKLIPSTEIN ..................................... BKLISKON ........................................ CKLONDIKE .....................................DKLOOQUEH ................................... BKLOOTCH ...................................... CKLOSSNER .................................... DKLOTEN .........................................DKLUG .............................................. BKLUMP ........................................... BKLUNA DEEP ................................ BKNAPPA ......................................... BKNAPPTON ................................... BKNEELAND .................................... CKNEFF ............................................ CKNEP ..............................................CKNICKERBOCKER ........................ AKNIFEHILL .....................................CKNIFFIN .........................................CKNIGHT ...................................... B/DKNIK ............................................... BKNIKLIK .......................................... BKNIPPA .......................................... CKNOB HILL .................................... BKNOBBY .........................................DKNOLLE ......................................... BKNOSS ........................................... DKNOWLES ..................................... BKNOWLTON ................................... CKNOX ............................................. BKNOXDALE .................................... BKNULL ............................................ BKOBARTER ................................... CKOCH ......................................... C/DKODAK ........................................... BKODAK, Nonflooded ..................... CKODIAK .......................................... BKODRA ........................................... CKOEHLER ...................................... CKOELE ............................................ BKOERLING .....................................CKOETHER ...................................... DKOFFGO ........................................ CKOGISH .......................................... DKOHALA ......................................... BKOHATK .........................................DKOKEE ........................................... BKOKERNOT ................................... CKOKO ............................................. BKOKORUDA ................................... BKOKOSING .................................... CKOLAR ........................................... DKOLBERG ...................................... CKOLEKOLE .................................... CKOLIN ............................................. CKOLLUTUK .................................... DKOLOA ........................................... CKOLOB ........................................... CKOLOMOKI .................................... BKOMONDOR .................................. BKOMRO .......................................... AKONA ............................................. DKONAWA ........................................ BKONERT ..................................... C/DKONNAROCK ................................ CKONNER .................................... C/DKONOCTI, Stony ........................... BKONOCTI ....................................... CKONSIL .......................................... BKONZA ........................................... DKOOCH .......................................... CKOOLAU .........................................CKOONICH ....................................... AKOOSKIA ....................................... CKOOTENAI ..................................... BKOPIE ............................................. DKOPPERL ...................................... BKOPPES ......................................... A



KORNMAN ..................................... CKOROBAGO .................................. CKORONIS ....................................... BKORTTY ......................................... BKOSETH ......................................... BKOSMOS ........................................ DKOSSE ........................................... BKOSSUTH .................................. B/DKOST .............................................. AKOTO ............................................. DKOTZMAN ...................................... BKOUNTER ...................................... DKOURY ........................................... BKOYNIK .......................................... DKOYOKEE ...................................... CKOYUKTOLIK ................................ DKRACKLE ....................................... BKRADE ........................................... BKRAKON ........................................ DKRAKOW........................................ BKRAM ............................................. DKRANSKI ........................................ BKRANZBURG ................................. BKRAUSE ......................................... BKREAMER ...................................... CKREBS ........................................... BKREFT ............................................ CKREM ............................................. AKRENKA ......................................... BKRESSON ...................................... CKREYENHAGEN ........................... BKREZA ............................................ DKRIER ............................................. DKRIEST .......................................... BKROME .......................................... AKRON ............................................. DKROTO ........................................... BKRUBATE ...................................... BKRUEGER ...................................... CKRUM ............................................. DKRUTAR ......................................... BKUBE .............................................. BKUBLER ......................................... CKUBLI ............................................. DKUCKUP ......................................... AKUDLAC ......................................... CKUKAIAU ........................................ AKUKAIAU, Bedrock Substratum ... BKUKVEY ......................................... AKULA .............................................. BKULLIT ........................................... BKULSHAN ...................................... CKUNAYOSH ................................... AKUNCEIDER .................................. AKUNIA ............................................. BKUNUWEIA .................................... CKUPREANOF ................................. BKUPREANOF, Moderately Wet .... CKUREB ........................................... AKURK .............................................. CKURO ............................................. DKURSTAN ...................................... BKURTEN ......................................... DKURTH ........................................... CKURTZ ............................................ CKUSAL ............................................ CKUSDRY ......................................... CKUSHNEAHIN ................................ DKUSKOKWIM ................................. DKUSLINA ........................................ DKUSLINAD ..................................... DKUSSHI .......................................... BKUTLER ......................................... CKUVASZ ......................................... CKUY ................................................ AKVICHAK ........................................ BKWAKINA ....................................... BKWATAHEIN .................................. BKWEO ............................................. AKYBURZ ......................................... BKYDAKA ......................................... DKYGER ........................................... BKYLE .............................................. DKZIN ................................................ DLA FARGE ...................................... B

LA GRANDE .................................. CLA POSTA ...................................... BLA ROSE ........................................ BLABELLE ........................................ DLABETTE ....................................... CLABKEY ......................................... BLABLUE .......................................... DLABORCITA ................................... BLABOU ...........................................DLABRE ............................................ BLABSHAFT .....................................DLABU ..............................................DLABYRINTH ................................... ALACERDA ...................................... DLACEYCREEK ............................... BLACKSCREEK ............................... CLACLEDE ....................................... BLACONNER ................................... CLACOOCHEE .................................DLACOSTE ....................................... CLACOTA ..................................... B/DLACRESCENT ............................... BLACROL .........................................DLADERLY ....................................... CLADNER .........................................DLADO .............................................. BLADRON ......................................... BLADUE ............................................ BLADYBIRD ..................................... BLADYCOMB ................................... DLADYSMITH ................................... DLAFAYETTE ................................... BLAFE ...............................................DLAFOLLETTE ................................. BLAGITOS ........................................ CLAGLORIA ..................................... BLAGO ..............................................CLAGONOT ...................................... CLAGRANGE ................................... DLAGROSS ...................................... ALAGUNITA .....................................CLAHAINA ........................................ BLAHOGUESS ................................. BLAHOOD ........................................ BLAHRITY ........................................ CLAHTIDA ........................................ CLAINAND ........................................ BLAIRDSVILLE ................................DLAKASH ......................................... BLAKASKIA ...................................... DLAKE .............................................. ALAKE, Clayey Surface ................... CLAKE CHARLES ............................DLAKEBEDDER ............................... BLAKEFIELD .................................... BLAKELAND .................................... ALAKEPARK ................................ B/DLAKESHORE ................................. BLAKESHORE .................................DLAKESOL ....................................... BLAKETON ....................................... CLAKEWOOD................................... ALAKIN ............................................. ALAKOMA .........................................DLAKOTA .........................................DLAKRIDGE .....................................CLALAAU .......................................... ALALINDA ........................................ BLALOS ............................................ BLAM ................................................ DLAMA ..............................................CLAMADRE ...................................... BLAMANGA ...................................... CLAMAR ........................................... BLAMARSH ...................................... CLAMARTINE ................................... CLAMATH .........................................DLAMAWA ........................................ BLAMBERJACK ............................... BLAMBMAN ...................................... CLAMBRANCH .................................DLAMBUTTE .................................... BLAMEDEER ................................... BLAMESA .........................................DLAMESHUR ................................... A

LAMINE .......................................... DLAMINGTON .................................. DLAMKIN .......................................... BLAMOILLE ...................................... BLAMOTTE ...................................... BLAMPASAS .................................... DLANARK ......................................... BLANCASTER .................................. BLANCE ............................................ BLAND .......................................... B/CLANDAVASO ................................. BLANDCO ......................................... CLANDINGHAM ............................... BLANDMAN ...................................... BLANDO ........................................... CLANDUSKY .................................... ALANEVILLE .................................... BLANEXA ......................................... DLANEY ............................................ BLANFAIR ........................................ BLANGDON ...................................... ALANGELLAIN ................................. DLANGER ......................................... ALANGLADE .................................... BLANGLESS .................................... CLANGLOIS ..................................... DLANGOLA ...................................... CLANGSPRING ................................ BLANGSTON ................................... BLANGWELL .................................... DLANIER .......................................... ALANIP ............................................. BLANKBUSH .................................... BLANOAK ......................................... BLANONA ......................................... BLANSDOWNE ................................ CLANTERN ....................................... BLANTIS ........................................... BLANTON, Low Rainfall .................. CLANTON ......................................... DLANTONIA ..................................... BLANTRY ......................................... BLANTZ ............................................ DLANYON ..................................... C/DLAOLAO ......................................... BLAONA ........................................... BLAPARITA ...................................... CLAPHAM ......................................... ALAPLATTA ..................................... CLAPOINTE ...................................... CLAPON ........................................... DLAPPANS ....................................... ALAPWAI .......................................... BLARA .............................................. CLARCHMOUNT .............................. BLARCHPOINT ................................ CLARES ............................................ CLARIAT ........................................... BLARIC ............................................. DLARIM ............................................. BLARIMER ....................................... BLARIOSCAMP ................................ DLARMINE ....................................... DLAROQUE ...................................... BLAROSE ......................................... DLAROSS ......................................... BLARPENTEUR ............................... BLARRY ........................................ C/DLARTON ......................................... ALARUE ............................................ ALARUSH ......................................... BLARVIE ........................................... DLARWOOD ..................................... CLAS FLORES ................................. DLAS LUCAS ................................... BLAS VEGAS ................................... DLASAC ............................................ ALASALLE ........................................ DLASAUSES .................................... DLASERE ......................................... CLASH .............................................. BLASKA ............................................ BLASSEL .......................................... CLASSITER ...................................... BLASTANCE .................................... B

LASVAR ......................................... CLATAH ............................................ DLATAHCO ...................................... DLATANIER ...................................... DLATCH ............................................ ALATES ............................................ CLATEX ............................................ CLATHER ......................................... DLATIERRA ...................................... BLATIGO .......................................... BLATIMER ........................................ DLATINA ........................................... DLATIUM .......................................... DLATONIA ........................................ BLATOUCHE .................................... DLATOUR ......................................... BLATOURELL .................................. BLATRASS ....................................... DLATTAS .......................................... DLAUBY ............................................ BLAUDERDALE ............................... DLAUDERHILL ............................. B/DLAUER ........................................ C/DLAUGENOUR ................................ CLAURAMIE ..................................... BLAUREL ......................................... DLAURELWOOD .............................. BLAUREN ......................................... BLAVALLEE ..................................... BLAVEAGA ....................................... CLAVELLGA ..................................... BLAVENDER .................................... BLAVENTANA .................................. CLAVEY ............................................ DLAVINA ........................................... DLAVODNAS .................................... CLAWAI ............................................ BLAWEN ........................................... BLAWNDALE ................................... BLAWNES ........................................ DLAWNWOOD ............................. B/DLAWRENCE ................................... CLAWRENCEVILLE ......................... CLAWSON ........................................ CLAWVER ........................................ BLAX ................................................. CLAXTON ......................................... CLAYCOCK ...................................... BLAYTON ......................................... BLAZAN ............................................ DLAZBUDDIE ................................... DLE BAR ........................................... BLEA ................................................. CLEADER ......................................... BLEADORE ...................................... BLEADPOINT ................................... CLEADVALE ..................................... CLEAF ............................................... DLEAFLAKE ..................................... BLEAGUE ......................................... DLEAGUEVILLE ........................... B/DLEAKEY ......................................... DLEAKSVILLE .................................. DLEANDER ...................................... BLEANNA ......................................... DLEATHAM ...................................... CLEATHERBARK ............................. CLEATHERS .................................... BLEATHERWOOD ........................... BLEAVENWORTH ........................... CLEBAM ........................................... BLEBEAU ......................................... DLEBEC ............................................ BLEBRON ......................................... DLECKMAN ...................................... BLECOMA ........................................ BLECRAG ......................................... DLEDFORD ...................................... BLEDGER ......................................... DLEDOW .......................................... BLEDRU ........................................... DLEDWITH ................................... B/DLEECREEK .................................... DLEEDSVILLE .................................. BLEEFIELD ...................................... C



LEELANAU .................................... ALEEMONT ...................................... DLEEMORRIS .................................. CLEEN .......................................... B/DLEEPER ......................................... DLEERAY ......................................... DLEERCO ......................................... DLEESVILLE .................................... BLEGALL .......................................... BLEGAULT ....................................... ALEGGETT ....................................... CLEIDIG ............................................ BLEILEHUA ...................................... BLEISY ............................................. BLEITER ........................................... CLEMAH ........................................... ALEMBOS ......................................... CLEMCAVE ...................................... BLEMCO ........................................... CLEMETA ......................................... DLEMHI ............................................. DLEMING .......................................... CLEMM ............................................. BLEMMON ........................................ CLEMOLO ......................................... DLEMONEX ...................................... CLEMOORE ..................................... CLEMOYNE ...................................... BLEMPIRA ........................................ BLEMROI .......................................... DLENA .......................................... A/DLENACREEK ................................. BLENAPAH ....................................... DLENAPE ......................................... DLENAWEE ...................................... DLENBERG ...................................... CLENGBY ......................................... BLENNEP ......................................... CLENOIR .......................................... DLENORAH ...................................... CLENZLO ......................................... BLENZWHEEL ................................. BLEOLA ............................................ BLEONARD ...................................... DLEONARDO ................................... BLEONARDTOWN ........................... DLEOPOLD ...................................... CLEPNER ......................................... CLEQUIEU ........................................ DLEQUIRE ........................................ DLEROUX ......................................... CLEROY ........................................... BLESBUT ......................................... ALESIER ........................................... BLESON ........................................... DLESPATE ....................................... CLESWILL ........................................ BLETAVARIA ................................... DLETHENT ....................................... CLETNEY ......................................... ALETON ............................................ DLETORT ......................................... BLETRI ......................................... B/DLETTIA ........................................... BLEVAC ............................................ DLEVASSEUR .................................. ALEVELTON ................................ C/DLEVENGOOD ................................ BLEVENMILE ................................... BLEVERETT ..................................... CLEVNIK ........................................... DLEVY .............................................. DLEVYVILLE .................................... BLEWDLAC ...................................... DLEWELLEN .................................... BLEWHAND ..................................... DLEWIS ............................................ DLEWISBURG .................................. CLEWISVILLE .................................. BLEWKALB ...................................... BLEWNOT ........................................ CLEXINGTON .................................. BLEXTON ......................................... BLEYBA ............................................ BLIART ............................................. D

LIBERAL ......................................... DLIBERTY ........................................ BLIBRARY ........................................ DLIBUSE ........................................... CLICK ................................................ BLICKCREEK ................................... BLICKING ......................................... CLICKSKILLET ................................. CLIDA ................................................ BLIDAN ............................................. CLIDDELL ..................................... B/DLIDDIEVILLE .................................. BLIDOS ............................................. BLIEBER ........................................... CLIEBERMAN .................................. BLIESNOI ......................................... DLIGAI .............................................. CLIGHTNING .................................... DLIGNUM .......................................... CLIGNUMVITAE ............................... DLIGOCKI ......................................... CLIGURTA ........................................ BLIHUE ............................................. BLILAH .............................................. ALILBERT ......................................... BLILBOURN ..................................... BLILLE .............................................. BLILLINGS........................................ BLILLINGTON .................................. BLILLIS ............................................. DLILLIWAUP .................................... BLILLYLANDS .................................. CLILSHEEP ...................................... BLILSNAKE ...................................... CLILTEN ........................................... CLILYLAKE ....................................... DLIM .................................................. CLIMBERJIM .................................... BLIMECREEK .................................. BLIMINGA ......................................... ALIMKING ......................................... BLIMON ............................................ DLIMONES ....................................... BLIMPY ............................................. DLINCO ............................................. BLINDALE ........................................ CLINDELL ......................................... CLINDEN .......................................... BLINDER .......................................... BLINDQUIST .................................... ALINDSTROM .................................. BLINDY ............................................. CLINGANORE .................................. BLINGUA .......................................... DLINHART ........................................ ALININGER ...................................... BLINKLETTER ................................. CLINKSTERLY ................................. BLINLITHGO .................................... BLINNE ............................................. CLINNEUS ........................................ BLINO ............................................... ALINPEAK ........................................ BLINSLAW ........................................ DLINTON .......................................... BLINVELDT ...................................... BLIONHEAD ..................................... BLIONWOOD ................................... BLIPKE ............................................. DLIPPITT .......................................... CLIRIOS ............................................ BLISBON .......................................... BLISBON, Silty Clay Loam Substra-tum .................................................. CLISCUM .......................................... DLISK ................................................ BLITAG ............................................. BLITCHY ........................................... CLITEN ............................................. ALITEN, Till Substratum .................. BLITHEE ........................................... CLITHGOW ....................................... CLITHIC HAPLUSTALFS, L,M,M .... DLITIMBER ....................................... BLITLE .............................................. D

LITRO ............................................. DLITTLE HORN ................................ CLITTLEAXE .................................... BLITTLEBALD .................................. BLITTLEFAWN ................................. CLITTLEFIR ...................................... CLITTLEHAT .................................... BLITTLEJOHN .................................. CLITTLEMO ...................................... BLITTLEMUD ................................... CLITTLERED .................................... BLITTLESALMON ............................ ALITTLESAND ................................. BLITTSAN ......................................... CLIVAN ............................................. ALIVCO ............................................. DLIVENGOOD .................................. BLIVERMORE .................................. BLIVIA ............................................... DLIVONA .......................................... BLIZARDHEAD ................................ BLIZARDLAKE ................................. DLIZE ................................................ BLIZZIE ............................................. BLIZZYSPRINGS ............................. CLLANOS ......................................... CLOARC ........................................... BLOBAT ............................................ BLOBEISNER ................................... BLOBERT ......................................... BLOBO ..............................................DLOBURN ......................................... DLOCEY ........................................... CLOCHLOOSA ................................. CLOCHSA ......................................... BLOCKDOWN .................................. DLOCKE ........................................... BLOCKERBY .................................... DLOCKHART .................................... BLOCKNEY ...................................... DLOCKPORT ................................... DLOCKSPRINGS ............................. CLOCKTON ...................................... BLOCO ............................................. CLOCOBILL ...................................... BLOCUST ......................................... CLODALLEY ..................................... DLODE .............................................. BLODICO .......................................... DLOEB ..............................................CLOEMSTONE ................................. CLOFFTUS ....................................... CLOFTON ......................................... DLOGDELL ....................................... BLOGGERT ...................................... BLOGHILL ........................................ BLOGHILL, Very Deep .................... CLOGHILL, Thick Solum ................. DLOGSDEN ...................................... BLOGSPRINGS ............................... CLOHSMAN ...................................... DLOIRE ............................................. BLOKEN ........................................... CLOKERN ......................................... CLOKOSEE .................................. B/DLOLALITA ....................................... BLOLEKAA ....................................... BLOLETA .......................................... CLOLITE ........................................... DLOLON ........................................... BLOLOPEAK .................................... ALOMAKI .......................................... BLOMALTA ....................................... DLOMART ......................................... BLOMAX ........................................... BLOMBARD ...................................... CLOMETA ......................................... CLOMILL ........................................... DLOMIRA .......................................... BLOMOND ........................................ BLOMPICO ....................................... BLONCAN ......................................... CLONDO ........................................... CLONEBEAR .................................... DLONECONE ................................... B

LONELY .........................................CLONEMAN ...................................... BLONEOAK ...................................... CLONEPINE ..................................... BLONERANCH ................................. BLONESOME ................................... BLONEWOOD .................................. BLONGBAR ...................................... BLONGBELL .................................... ALONGBILLY ................................... DLONGBRANCH .............................. CLONGHIKE .....................................CLONGHOPE, Ponded .................... DLONGJOHN ................................... BLONGLOIS ..................................... BLONGMARE ................................... CLONGMARSH ................................ DLONGMONT ................................... CLONGORT ...................................... BLONGPEN ...................................... BLONGPINE .....................................DLONGS ........................................... BLONGSHOAL .................................DLONGSIDING ................................. BLONGVAL ...................................... BLONGVIEW .................................... CLONIGAN, Cobbly Substratum ..... CLONJON ......................................... BLONNIEBEE ................................... BLONOKE ......................................... BLONON ........................................... BLONTI ............................................. DLOONLAKE .................................... BLOONY ........................................... CLOPENO ......................................... ALOPER ........................................... BLOPEZ ............................................ DLOPWASH ..................................... BLORACK ......................................... BLORADALE .................................... CLORAY ........................................... ALOREAUVILLE .............................. CLORENZO ...................................... BLORHUNT ...................................... DLORING .......................................... CLORMAN ........................................ DLORRAINE ..................................... BLOS ALAMOS ................................ CLOS OSOS .....................................CLOS TANOS ................................... CLOSANTVILLE ............................... CLOSEGATE .................................... CLOSLOBOS .................................... BLOSMARIOS .................................. CLOSTBASIN ................................... CLOSTCOVE .................................... BLOSTCREEK ................................. BLOSTHORSE .................................DLOSTINE ........................................ BLOSTPOINT ................................... DLOSTSPRING ................................ BLOSTVALLEY ................................ DLOSTWELLS .............................. B/CLOTEX ............................................ DLOTHAIR ........................................ CLOTT ..............................................CLOTUS ............................................ CLOU ................................................ BLOUDON ........................................ CLOUDONVILLE .............................. CLOUELLA ....................................... BLOUGHBORO ................................ CLOUIECREEK ................................ BLOUIN ............................................. DLOUISA .......................................... BLOURIS .......................................... BLOUSCOT ...................................... CLOVEDALE .................................... BLOVEJOY ....................................... CLOVELACE .................................... BLOVELADY .................................... BLOVELAND .................................... DLOVELL .......................................... DLOVELOCK .................................... DLOVENESS .................................... B



LOVETT .......................................... BLOVLINE ........................................ CLOWASSIE .................................... DLOWDER ........................................ CLOWE ......................................... B/DLOWERBLUFF ............................... DLOWERCREEK.............................. ALOWLEIN ....................................... BLOWNDES ..................................... ALOWRY .......................................... BLOWS ......................................... B/DLOWVILLE ..................................... BLOX ................................................. CLOYAL ............................................ CLOYALTON .................................... DLOYPLACE .................................... DLOYSVILLE .................................... DLOZANO ......................................... BLOZEAU ......................................... CLUANA ............................................ BLUBBOCK ...................................... BLUBKIN .......................................... BLUBRECHT .................................... CLUCE .............................................. CLUCEDALE .................................... BLUCILE ....................................... B/CLUCKENBACH ............................... CLUCKETTS .................................... CLUCKIAMUTE ................................ DLUCKYFUSE .................................. BLUCKYRICH .................................. BLUCY .............................................. ALUDINGTON .................................. BLUFKIN ........................................... DLUGERT ......................................... BLUGOFF ......................................... BLUKE .............................................. CLUKIN ............................................. CLULA ............................................... BLULUDE, High Rainfall ................. BLULUDE, Short FFS ...................... CLUMAN ........................................... BLUMBEE ..................................... B/DLUMMI ........................................ C/DLUMMUS ........................................ CLUNCH ........................................... CLUNDER ......................................... DLUNDGREN ................................... ALUNDLAKE ................................ B/DLUNSFORD ................................... DLUNT .............................................. CLUPCHO ......................................... BLUPE .............................................. BLUPINE .......................................... BLUPINTO ........................................ CLUPOYOMA ................................... BLUPPINO ........................................ DLUPTON ......................................... DLURAY ........................................ C/DLURNICK ........................................ CLUSETTI ......................................... BLUSK .............................................. CLUTA .............................................. DLUTAK ............................................ BLUTHER ......................................... BLUTIE ............................................. BLUTZCAN ....................................... DLUTZKE .......................................... BLUVAR ............................................ BLYBRAND ...................................... CLYCURGUS ................................... BLYDICK .......................................... BLYERLY .......................................... DLYFORD ......................................... CLYKAL ............................................ CLYKENS ......................................... CLYKORLY ....................................... CLYMANSON ................................... BLYNCH ........................................... DLYNDEN ......................................... BLYNN HAVEN ............................ B/DLYNNBOW ..................................... DLYNNE ........................................ B/DLYNNVILLE .................................... CLYNNWOOD .................................. A

LYNXCREEK ................................. BLYONMAN ...................................... BLYRA ..............................................DLYSTAIR ........................................ BLYTELL .......................................... BLYTLE ............................................. BLYX ................................................. BMABANK ........................................ DMABEN ...........................................CMABI ...............................................DMACAREENO ................................CMACE ............................................. BMACEDONIA ................................. BMACHETE ...................................... CMACHIAS ....................................... BMACHONE ..................................... BMACHUELO ................................... DMACIVER ....................................... BMACKERRICHER .......................... AMACKINAC .................................... BMACKLYN ...................................... CMACKSBURG ................................ BMACLAREN ................................... BMACOMB ....................................... BMACON .......................................... BMACREEING ................................. BMACYFLET .................................... DMADAWASKA ................................ BMADDEN ........................................ CMADELIA .................................... B/DMADERBAK ................................... CMADGE .......................................... BMADILL .......................................... BMADONNA .....................................CMADRAK ........................................ CMADUREZ ...................................... BMAES ............................................. BMAGDALENA .................................DMAGENS ........................................ BMAGGIE .........................................DMAGGIN .........................................CMAGIC ............................................ DMAGNET ........................................ CMAGNETIC .................................... DMAGOTHA .....................................DMAGROC ....................................... CMAGUAYO .....................................CMAHAFFEY .................................... CMAHAN ...........................................CMAHANA ........................................ BMAHASKA ...................................... BMAHKONCE................................... CMAHO BAY .................................... DMAHOGAN .....................................CMAHOOSUC .................................. AMAHTOWA ................................. C/DMAIDENPEAK ................................ AMAILE ............................................. AMAILTRAIL .....................................CMAJIK ............................................. BMAJUBA .........................................CMAJURO ........................................ AMAKAH ........................................... BMAKALAPA .................................... DMAKAPILI ....................................... BMAKAWAO ..................................... BMAKAWELI .................................... BMAKENA ........................................ BMAKI ...............................................CMAKIKI ........................................... BMAKLAK ......................................... AMAL ................................................ CMALA .............................................. BMALACHY ...................................... BMALAMA ........................................ AMALARDI ....................................... BMALARGO ..................................... BMALAYA .........................................DMALBIS .......................................... BMALCOLM ...................................... BMALDEN ......................................... AMALEZA ......................................... BMALHEUR ...................................... CMALIBU .......................................... DMALJAMAR .................................... B

MALLOPASS ................................. BMALMESA ...................................... DMALMESBURY .............................. CMALMO .......................................... DMALO ............................................. BMALONEY ...................................... CMALOTERRE ................................. DMALSTROM ................................... BMALTESE ....................................... DMAMALA ........................................ DMANADA ........................................ CMANAHAWKIN .............................. DMANANA ........................................ CMANARD ........................................ CMANARY ........................................ CMANASHTASH .............................. CMANASSAS ................................... BMANATEE .................................. B/DMANAWA ....................................... CMANBURN ..................................... DMANCHESTER .............................. AMANCO .......................................... CMANCOS ........................................ CMANDARIN, Flooded ................ B/DMANDARIN .................................... CMANDERSON ................................ CMANGUM ....................................... DMANHATTAN ................................. AMANI ............................................... CMANIKAN ....................................... BMANILA .......................................... DMANITA .......................................... CMANITOWISH ................................ BMANKOMEN .................................. DMANN ......................................... B/DMANNINGTON............................... DMANNIXLEE .................................. DMANSIC .......................................... BMANSKER ...................................... BMANSON ........................................ BMANTECA ...................................... CMANTON ........................................ BMANU ............................................. CMANVEL ......................................... CMANZANITA, Gravelly .................. BMANZANITA .................................. CMANZANST .................................... DMAPLE HOLLOW .......................... CMAPLECREEK ............................... CMAPLECREST ............................... BMAPLEHILL ................................... CMAPLEHURST ............................... CMAPLEWOOD ............................... CMARA ............................................. BMARACK ........................................ CMARAGUEZ ................................... BMARANA ........................................ BMARBIE .......................................... CMARBLECREEK ............................ BMARBLEHEAD .............................. CMARBLEMOUNT ........................... BMARBLEMOUNT, Channery ........ CMARBLETOWN ............................. BMARCADO ..................................... DMARCEL ......................................... CMARCELINAS ................................ DMARCELLON ................................. CMARCETTA .................................... BMARCLAY ...................................... DMARCOLA ...................................... CMARCONI ...................................... CMARCOU ........................................ BMARCUS .................................... B/DMAREMMA ..................................... BMARENGO ................................. C/DMARESUA ...................................... BMARGERUM .................................. BMARGIE ......................................... CMARGO .......................................... BMARIANA ....................................... CMARIAVILLE .................................. DMARICAO ....................................... BMARIEL .......................................... DMARIETTA ..................................... CMARILLA ........................................ C

MARIMEL ................................... B/DMARINA .......................................... BMARINE .......................................... CMARION ......................................... DMARIOSA ....................................... DMARISCAL ..................................... DMARJANE ...................................... CMARKER ........................................ BMARKES ........................................ DMARKESAN ................................... BMARKEY ........................................ DMARKLAKE .................................... CMARKLEPASS ............................... DMARKSBUTTE........................... B/DMARKTON ..................................... CMARLA ........................................... DMARLEY ......................................... CMARLTON ...................................... CMARMARTH ................................... CMARNA ....................................... C/DMAROTZ ........................................ CMARPA ........................................... CMARPLEEN ................................... DMARQUAND .................................. CMARQUETTE ................................. AMARQUEZ ..................................... CMARR ............................................. BMARRIOTT ..................................... BMARSDEN ..................................... BMARSH ........................................... BMARSHDALE ............................. C/DMARSHFIELD ............................ B/DMARSHILL ..................................... BMARSING ....................................... BMARSITE ....................................... DMART ............................................. BMARTEE ......................................... DMARTEL ......................................... DMARTELLA .................................... CMARTILLO ..................................... DMARTIN PENA .............................. DMARTINEZ ..................................... DMARTINSBURG ............................ BMARTINSON .................................. CMARTINTON .................................. CMARTIS .......................................... BMARTY ........................................... BMARUMSCO .................................. CMARVELL ....................................... BMARVYN ........................................ BMARYSTOWN ............................... CMARYSVILLE ................................. BMASARYK ...................................... AMASCARENAS .............................. CMASCHETAH ................................. BMASCOTTE ............................... B/DMASCOUTAH ............................ B/DMASEEYA ...................................... BMASET ........................................... BMASHAM ........................................ DMASHEL ......................................... BMASHULAVILLE ........................ B/DMASKELL ....................................... BMASON .......................................... BMASONFORT ................................ DMASONTOWN ............................... DMASSACK .................................. B/CMASSADONA ................................ CMASSADONA ................................ DMASSANETTA ............................... BMASSBACH ................................... BMASSIE .......................................... DMASTERSON ................................ BMASTLY ......................................... BMATA ..............................................CMATAGORDA ................................ DMATAMOROS ................................ CMATANUSKA ................................. BMATANZAS .................................... BMATAWAN ..................................... CMATCHER ...................................... AMATECUMBE ................................ DMATFIELD ...................................... CMATHERS ...................................... BMATHERTON ................................ B



MATHERTON, Clay Substratum .. CMATHIAS ....................................... BMATHISTON .................................. CMATHON ........................................ BMATILO .......................................... BMATMON ........................................ DMATOON ........................................ DMATOY ........................................... CMATQUAW, Dry ............................. BMATQUAW ..................................... CMATTAMUSKEET ......................... DMATTAN ......................................... DMATTAPEX .................................... CMATTERHORN .............................. AMATTEX ......................................... CMATTIX .......................................... BMATUNUCK ................................... DMAU ................................................ CMAUDE ........................................... BMAUKEY ........................................ CMAUMEE ........................................ DMAUNABO ..................................... DMAUPIN .......................................... CMAURY ........................................... BMAVCO .......................................... CMAVERICK .................................... CMAVIE ........................................ B/DMAVREESO ................................... BMAWAE .......................................... AMAWER .......................................... BMAXEY ........................................... CMAXTON ........................................ BMAY ................................................ BMAYBELL ....................................... AMAYBESO ...................................... DMAYBID .......................................... DMAYDOL ........................................ BMAYES ........................................... DMAYFLOWER ................................ CMAYGAL ......................................... DMAYGER ........................................ CMAYHEW ....................................... DMAYMEAD ..................................... BMAYNARD LAKE ........................... AMAYO ............................................. BMAYQUEEN ................................... BMAYSPRINGS ............................... BMAYSWELL ................................... DMAYTAG ........................................ DMAYTOWN ..................................... CMAYVILLE ...................................... BMAZARN ........................................ CMAZASKA .................................. C/DMAZDALE ...................................... BMAZIE ............................................. DMAZUMA ........................................ CMCADOO ....................................... BMCAFEE ......................................... CMCALLEN ...................................... BMCALLISTER ................................. BMCARTHUR ................................... BMCBAIN .......................................... BMCBIGGAM ................................... CMCCAFFERY ................................. AMCCALEB ...................................... BMCCALLY ...................................... DMCCAMMON ................................. CMCCANN ........................................ BMCCASH ........................................ BMCCAY ........................................... BMCCLANAHAN .............................. DMCCLAVE ...................................... CMCCLELLAN .................................. BMCCLOUD ..................................... CMCCLUNG ..................................... BMCCLURE ...................................... CMCCOIN ......................................... DMCCOLL ......................................... DMCCOMAS ..................................... CMCCONAUGHY ............................. BMCCORNICK ................................. CMCCOY .......................................... CMCCREE ........................................ BMCCRORY ..................................... DMCCROSKET ................................ B

MCCUE .......................................... CMCCULIGAN .................................. DMCCULLAN ................................... BMCCUMBER .................................. BMCCUNE ........................................ DMCCURDY ..................................... CMCCUTCHEN ................................ DMCDANIELAKE ............................. BMCDERMOTT ................................ BMCDOLE ........................................ BMCDONALDSVILLE .................. C/DMCDOUG ....................................... BMCDUFF ........................................ CMCELMO ........................................ DMCEWEN ....................................... BMCFAIN .......................................... CMCFARLAND ................................. BMCFAUL ......................................... CMCGAFFEY ................................... BMCGARVEY ................................... CMCGEHEE ..................................... CMCGILVERY .................................. DMCGINN ......................................... BMCGINNIS ..................................... CMCGIRK ......................................... CMCGIRK, Low Rainfall .................. DMCGOWAN .................................... BMCGRATH ..................................... BMCGRAVEY ................................... BMCGUFFEY ................................... DMCGUIRE ...................................... BMCHANDY ..................................... DMCINTOSH .................................... CMCIVOR ......................................... DMCKAMIE ....................................... DMCKAY ........................................... CMCKEE ........................................... DMCKEETH ...................................... BMCKENNA ................................. C/DMCKENTON ................................... DMCKINLEY ..................................... BMCKINNEY .................................... CMCKNIGHT .................................... BMCLAIN .......................................... CMCLANGOR................................... DMCLAURIN .................................... BMCLEAN ......................................... DMCLENNAN ................................... CMCLEOD ........................................ BMCLOUGHLIN ............................... BMCMANUS ..................................... CMCMEEN........................................ CMCMILLAN ..................................... AMCMILLE ....................................... BMCMURDIE .................................... BMCMURRAY .............................. C/DMCNAB ........................................... CMCNARY ........................................ DMCNEELY ...................................... AMCNULTY ...................................... BMCNYE ........................................... BMCPAN ........................................... CMCQUEEN ..................................... CMCRAE ........................................... BMCRAVEN ..................................... CMCTAGGART ................................ BMCVAR ........................................... AMCVICKERS .................................. CMCWATT ........................................ BMEAD ............................................. DMEADOWBANK ............................. BMEADOWLAKE ............................. CMEADOWPASS ............................. CMEADOWPEAK ............................. CMEADOWPORT............................. CMEADOWS .................................... DMEADOWVILLE ............................. BMEANS ........................................... CMEARES ........................................ DMEATON ........................................ CMECAN ........................................... BMECHANICSBURG ....................... CMECKLENBURG ........................... CMECKLING .................................... BMECLO ........................................... D

MECOSTA ...................................... AMEDFRA ........................................ DMEDICI ........................................... AMEDICINE ...................................... BMEDLAKE ...................................... AMEDLAVAL .................................... DMEDLEY ......................................... BMEDO ......................................... A/DMEDOC .......................................... CMEDRICK ....................................... BMEEGERNOT ................................ BMEENON ........................................ CMEGONOT ..................................... CMEGUIN ......................................... BMEHURIN ....................................... CMEIKLE .......................................... DMEISS ............................................ DMEKINOCK .................................... DMELAKWA ..................................... CMELBOURNE ................................ BMELBY ........................................... BMELD ..............................................CMELDER ......................................... BMELFA ............................................ DMELGA ........................................... DMELHOMES ................................... DMELHORN ..................................... BMELLING ........................................ DMELLOTT ....................................... BMELLOWMOON ............................ BMELOCHE ...................................... DMELOZA ......................................... CMELROSE ...................................... CMELRUDE .................................. C/DMELTON ......................................... DMELVINA ........................................ CMEMALOOSE ................................ CMEMMOTT ..................................... BMENA ............................................. CMENAN ........................................... BMENARD ........................................ BMENBAR ........................................ CMENDEBOURE ............................. CMENDELTNA ................................. DMENDENHALL ............................... DMENDI ............................................ BMENDNA ........................................ DMENDON ........................................ BMENDOTA ..................................... BMENFRO ........................................ BMENINIK ........................................ DMENO ............................................. CMENOKEN ..................................... CMENOMIN ...................................... BMENTO ........................................... CMENTONE ..................................... CMENTZ ........................................... DMENZEL ......................................... BMEQUITHY .................................... BMEQUON ....................................... CMER ROUGE ................................. BMERCER ........................................ CMERCEY ........................................ CMEREDITH .................................... BMERIMOD ...................................... BMERINO ......................................... DMERIT ............................................ BMERKLEY ...................................... BMERMENTAU ................................ DMERNA ........................................... BMEROS .......................................... AMERRILL ........................................ CMERRILLAN ................................... CMERRIMAC .................................... AMERRYVILLE ................................ DMERSHON ..................................... CMERTON ........................................ BMERWIN ..................................... A/DMESABA ......................................... CMESCAL ......................................... CMESCALERO ................................. CMESEI ............................................ DMESSER ........................................ CMET ................................................ BMETALLAK .................................... B

METANOB ...................................... BMETCALF ....................................... DMETH ............................................. CMETIGOSHE .................................. BMETOLIUS ..................................... BMETONGA ..................................... BMETRE ........................................... DMETSER .........................................CMEXICO .........................................DMEXISPRING .................................DMEXTANK ...................................... BMEYSTRE ...................................... BMEZZER ......................................... BMICANOPY .................................... CMICAVILLE .................................... BMICCO ........................................ B/DMICCOSUKEE ............................... CMICKEY .......................................... DMICROSPEECH ............................ DMICROY .........................................CMIDAS ............................................ CMIDCO ............................................ AMIDDLEBOX .................................. BMIDDLEBROOK ............................ CMIDDLEBURG ............................... BMIDDLEBURY ................................ BMIDDLEHILL .................................. CMIDDLEWOOD .............................. BMIDELIGHT .................................... BMIDESSA ....................................... BMIDFORK ....................................... BMIDO .............................................. BMIDPEAK ....................................... BMIDVALE ........................................ CMIERHILL ....................................... CMIERUF .......................................... BMIFFLIN ......................................... BMIGERN ......................................... BMIGUEL .......................................... DMIJAY ............................................. CMIKADO .........................................CMIKIM, Wet Substratum ................ CMIKIM, Saline-Alkali, Wet ............. DMILAN ............................................. BMILBY ............................................. BMILCAN .......................................... CMILDRED ....................................... DMILES ............................................. BMILITARY ....................................... BMILKWEED .................................... CMILL ................................................ DMILLADORE .................................. CMILLAN .......................................... BMILLBORO .....................................DMILLBURNE ................................... BMILLDAM ....................................... CMILLECOQUINS ............................ CMILLERDITCH ............................... CMILLERFLAT ................................. BMILLERPOINT ............................... BMILLERSBURG ............................. BMILLERTON ................................... DMILLERVILLE ............................ A/DMILLHEIM ...................................... CMILLHI ............................................ DMILLICH .........................................DMILLIGAN ....................................... CMILLING .........................................DMILLOX, Nonsaline ....................... CMILLOX, Saline-Sodic ................... DMILLPAW ....................................... CMILLPAW, Sandy Subsoil ............. DMILLPOCKET ................................ DMILLPOND ..................................... BMILLPOND .....................................CMILLPOT ........................................ BMILLRACE ..................................... BMILLROCK ..................................... AMILLSAP ........................................ DMILLSDALE ............................... C/DMILLSITE ....................................... BMILLSITE, Stony ........................... CMILLSTADT, Drained .................... CMILLSTONE ................................... BMILLSTREAM ................................ B



MILLWARD .................................... BMILLWOOD .................................... DMILNER .......................................... BMILTON .......................................... CMILVAR .......................................... CMINA ............................................... BMINALOOSA .................................. BMINCHUMINA ................................ DMINCO ............................................ BMINDEN ......................................... BMINEOLA ....................................... AMINERAL, Dry ............................... BMINERAL ....................................... CMINERAL MOUNTAIN .................. DMINERSVILLE ............................... BMINERVA ....................................... BMINESINGER ................................ CMINGO ........................................... CMINGPOINT ................................... BMINKLER ....................................... DMINKWELL .................................... BMINLITH ......................................... DMINNEHA ....................................... CMINNEHAHA .................................. BMINNEISKA ................................... BMINNETONKA ........................... C/DMINNIEPEAK ................................. AMINNIEVILLE ................................. CMINNIMAUD .................................. CMINNYE .......................................... BMINO .............................................. CMINOA ............................................ CMINOCQUA ................................ B/DMINONG ......................................... DMINWELLS .................................... CMIPPON ......................................... BMIRABAL ........................................ BMIRACLE ....................................... BMIRAGE ......................................... CMIRAMAR ...................................... BMIRASOL ....................................... BMIREROCK .................................... DMIRES ............................................ AMIRES, Stony ................................ BMISENHEIMER .............................. CMISERY .......................................... CMISFIRE ......................................... BMISHAK ...................................... C/DMISHAKAL ..................................... CMISHAWAKA ................................. AMISKOAKI ...................................... DMISLATNAH ................................... BMISPILLION ................................... DMISSION ........................................ DMISSISQUOI .................................. AMISSISSINEWA ............................. CMISSLER ........................................ BMISSOULA ..................................... DMISTEGUAY .................................. DMITCH ............................................ CMITCHELLPOINT .......................... BMITIWANGA .................................. CMITKOF .......................................... CMITRE ............................................ CMITRING ........................................ CMITTEN .......................................... BMIZEL ............................................. DMIZPAH .......................................... DMOANO .......................................... DMOAPA ........................................... CMOAULA ........................................ AMOBATE ........................................ DMOBEETIE ..................................... BMOBERG........................................ BMOBL ............................................. BMOCA ............................................. DMOCAREY ..................................... DMOCKLEY ...................................... CMOCKSVILLE ................................ BMOCO ............................................ BMOCTILEME .................................. CMODALE ........................................ CMODESTY ...................................... CMODJESKA ................................... BMODOC .......................................... B

MODYON ....................................... CMOE ................................................ BMOENKOPIC ................................. BMOENTRIA .................................... DMOFFSPRING ............................... CMOGG ............................................ DMOGLIA.......................................... CMOGOLLON................................... BMOGOTE........................................ CMOHAT ........................................... BMOHLER ........................................ BMOHOCKEN .................................. CMOHON .......................................... CMOIESE.......................................... BMOINES .........................................CMOINGONA ................................... BMOJO ............................................. CMOKAAC ........................................ AMOKENA ........................................ CMOKIAK.......................................... CMOKINS .........................................DMOKULEIA ..................................... BMOLALLA ....................................... BMOLAND ........................................ BMOLAS ...........................................DMOLENA ........................................ AMOLION .........................................DMOLLCO ........................................ DMOLLICY ........................................ CMOLOKAI ....................................... BMOLTKE ......................................... BMOLTONER ................................... CMOLTONER, Silty Clay LoamSubstratum .....................................DMONA ............................................. BMONACAN .....................................CMONACHE ..................................... BMONAHANS................................... BMONARCH .....................................DMONASTERIO ............................... CMONAVILLE ................................... BMONBUTTE ................................... CMONCHA........................................ BMONCISCO .................................... AMONEE .......................................... DMONGLE ........................................ CMONGO .......................................... DMONIDA ......................................... BMONIDA .........................................CMONITOR ...................................... CMONJEAU ...................................... DMONORIDGE .................................CMONOX .......................................... BMONPARK .....................................DMONSE .......................................... CMONSERATE ................................CMONSERATE, Thin Surface ......... DMONTBORNE ................................CMONTCALM ................................... AMONTCAN ..................................... BMONTE CRISTO ........................... DMONTEAGLE ................................. BMONTEGRANDE ........................... DMONTELLO ................................... CMONTEOCHA ................................DMONTEROSA ................................CMONTESA ...................................... CMONTEVALLO............................... DMONTEZ ........................................ BMONTEZUMA ................................ AMONTIETH ..................................... BMONTONIA .................................... BMONTOSO ..................................... BMONTOUR .....................................DMONTROSS................................... CMONTVERDE ............................ B/DMONTWEL ..................................... BMONVERO ..................................... AMONZA ...........................................CMONZINGO .................................... BMOOERS........................................ BMOOHOO ....................................... BMOOLACK ..................................... AMOONLIGHT ................................. BMOONSHINE .................................D

MOONSTONE ................................ CMOONVILLE .................................. BMOORETOWN ........................... C/DMOORHEAD .................................. CMOOSE RIVER, Moderately Wet . CMOOSE RIVER .............................. DMOOSECREEK ............................. BMOOSED ........................................ CMOOSED, Sandy ........................... DMOOSEFLAT ................................. DMOOSEHEAD ................................ BMOOSELAKE ............................. A/DMOOSHAUNEE ............................. CMOPANA ........................................ DMOPANG ........................................ BMOPPET ........................................ BMOQUAH ....................................... BMORADO ....................................... CMORALES ...................................... CMORANCH ..................................... BMORANVILLE ................................ BMORBENCH .................................. BMORCLAY ...................................... DMORCOM ....................................... CMORCONICK ................................. BMOREGLADE ................................ BMOREHEAD ................................... CMORET ........................................... DMOREY .......................................... DMORGAMINE ................................. CMORGANFIELD ............................. BMORGANHILLS ............................. DMORIAH ......................................... BMORIAH, Clayey Subsoil .............. CMORICAL ....................................... CMORIMOUNT ................................. DMORITZ .......................................... CMORLING ....................................... DMORMON MESA ........................... DMORMOUNT .................................. DMORNINGSTAR ............................ BMOROCCO .................................... BMORPH ...................................... B/DMORPHEY ..................................... DMORRISVILLE ............................... CMORSE .......................................... DMORTENSON ................................ DMORTIMER .................................... DMORVEN ........................................ CMOSBY ........................................... CMOSEL ........................................... CMOSHANNON ............................... BMOSHEIM ...................................... DMOSHUP ........................................ CMOSLANDER, Elevation 7000-9000BMOSLANDER ................................ DMOSMAN ....................................... DMOSO ............................................. BMOSQUITO .................................... DMOSROC ....................................... DMOSSBACK ................................... BMOSSCREEK ................................ BMOSSYROCK ................................ BMOSWELL ..................................... DMOTARK ........................................ BMOTEN ........................................... CMOTLEY ......................................... BMOTT ............................................. BMOTTO ........................................... DMOULTRIE ..................................... DMOUNDHAVEN ............................. AMOUNDPRAIRIE ....................... B/DMOUNDVILLE ................................ AMOUNTADAMS ............................. BMOUNTAINBOY ............................ DMOUNTAINEER ............................ CMOUNTAINVILLE .......................... CMOUNTEMILY ............................... BMOUNTHAT ................................... BMOUNTMCULL .............................. DMOUNTMED .................................. CMOUNTOM .................................... DMOUNTPLEASANT ....................... BMOUNTPOOR ............................... C

MOUNTZION ................................. BMOUZON ........................................ DMOVIEFLAT ................................... CMOVILLE ........................................ CMOWAKO ....................................... BMOWATA ....................................... DMOWBRAY .................................... BMOWICH ........................................ DMOYERS ........................................ CMOYINA ......................................... DMT. AIRY ........................................ AMT. HOOD ..................................... BMT. OLIVE ..................................... CMT. VERNON ................................. CMT.ZION ......................................... CMTSTERLING ................................ BMUCKALEE ................................... DMUDBUZ ........................................ BMUDCO .......................................... DMUDCREE ..................................... CMUDLAKE ...................................... CMUDLAVIA ..................................... BMUDPOT ........................................ DMUELLER ...................................... BMUES ............................................. CMUGATU ........................................ CMUGGINS ...................................... BMUGHUT ........................................ CMUIRKIRK ...................................... BMUKILTEO ................................. C/DMULA .............................................. BMULAT ........................................... DMULDOON ..................................... BMULDROW .................................... DMULE .............................................. BMULETT ......................................... DMULHALL ....................................... BMULHOLLAND ............................... BMULKEY ......................................... CMULLERS ...................................... DMULLICA ........................................ CMULLIG .......................................... BMULLINS ........................................ DMULLYON ...................................... DMULSTAY ...................................... CMULT ..............................................CMULTEY ......................................... BMULTORPOR ................................ AMULVEY ......................................... CMUMFORD ..................................... DMUNCIE ......................................... CMUNDALITE .................................. CMUNDELEIN .................................. BMUNDEN ........................................ BMUNDOS ........................................ BMUNDT ........................................... CMUNI ..............................................DMUNSET ........................................ DMUNSON ........................................ DMUNUSCONG ........................... B/DMURAD .......................................... BMURANCH ..................................... CMURDO .......................................... BMUREN .......................................... BMURHUT ........................................ BMURKEN ........................................ CMUROC .......................................... DMURPHILL ..................................... DMURPHY ........................................ CMURRAY ........................................ BMURRIETA .................................... DMURRSTEAD ................................ DMURVILLE ................................. A/DMUSCATUNE ................................ BMUSE ............................................. CMUSGRAVE ................................... DMUSGROVE .................................. BMUSHEL ......................................... BMUSKELLUNGE ............................ DMUSKOGEE ................................... CMUSOFARE ................................... CMUSQUIZ ....................................... CMUSSENTUCHIT .......................... BMUSSENTUCHIT, Dry .................. CMUSSERHILL ................................ C



MUSSEY .................................... B/DMUSTANG ................................. A/DMUSTANG ..................................... DMUSTINKA ................................. C/DMUSTY ........................................... CMUTNALA ...................................... BMUTT .............................................. CMUTTON ........................................ BMYATT ........................................... DMYERS ........................................... DMYFORD ........................................ DMYOMA .......................................... AMYOMA, Wet ................................. BMYRA ............................................. CMYRICK .......................................... CMYRTLE ......................................... BMYRTLECREEK ............................ BMYSOL ........................................... CMYSTEN ......................................... ANAALEHU ...................................... BNAALEHU, Bedrock Substratum .. CNABB .............................................. CNABESNA ...................................... DNABOR ........................................... BNACHES ......................................... BNACHUSA ...................................... BNACIMIENTO ................................. CNACLINA ........................................ DNACO ............................................. CNACONICHE .................................. DNADA .............................................. DNADEAU ......................................... BNADRA ........................................... DNAEGELIN ..................................... DNAGEEZI ........................................ BNAGLE ........................................... BNAHA .............................................. BNAHA .............................................. CNAHUNTA ...................................... CNAILKEG ........................................ BNAIWA ............................................ BNAKAIBITO .................................... BNAKINA ...................................... B/DNAKNEK ......................................... DNAKOCHNA ................................... DNAKWASINA .................................. DNALAKI ........................................... CNALDO ........................................... BNALIVAG ........................................ BNALL ............................................... DNAMEOKI ....................................... DNAMMOTH ..................................... CNAMUR .......................................... CNANA .............................................. DNANAMKIN .................................... ANANIAK .......................................... DNANICH .......................................... ANANNYTON ................................... BNANSEMOND ................................ CNANSEPSEP ................................. CNANTAHALA .................................. BNANTICOKE .................................. DNAPIER .......................................... BNAPOLEON ............................... A/DNAPOLEON ................................... DNAPOLI .......................................... CNAPPANEE .................................... DNAPTOWNE ................................... BNARANJITO ................................... CNARANJO ...................................... CNARBONA ...................................... BNARCISSE ..................................... BNARD ............................................. CNARDINE ....................................... CNARDMONT ................................... BNAREA ........................................... ANAREL ............................................ BNARGAR ........................................ BNARGON ........................................ CNARK .............................................. CNARLON ......................................... DNARNETT ...................................... BNARRAGUINNEP .......................... DNARROWS ..................................... DNARTA ........................................... D

NARU ............................................. CNASH .............................................. BNASHMEAD ................................... BNASHVILLE ................................... BNASHWAUK................................... CNASKEAG ...................................... CNASON, Gravelly ........................... BNASON ........................................... CNASS .............................................. DNASSAU ......................................... CNASSAWANGO ............................. BNATAANI ........................................ BNATAGA ......................................... ANATAL ............................................ DNATALBANY .................................. DNATAPOC ...................................... BNATCHEZ ...................................... BNATCHITOCHES ........................... DNATHALE ....................................... CNATHROP ...................................... CNATI ................................................ CNATIONAL ..................................... BNATKIM .......................................... BNATOMAS ...................................... BNATROY ......................................... DNATURITA ..................................... BNAUKATI ........................................ DNAUMBURG .................................. CNAUVOO ........................................ BNAVACA ......................................... DNAVAN ........................................... DNAVASAN ...................................... ANAVIDAD ....................................... BNAVINA .......................................... BNAVO ............................................. DNAWAKWA .................................... CNAWT ............................................. DNAYE .............................................. CNAYFAN ......................................... CNAYPED ......................................... BNAYRIB .......................................... DNAYTAHWAUSH ........................... BNAZATON ...................................... BNEABSCO ...................................... CNEAH .............................................. BNEALY ............................................ BNEARL ............................................ CNEBGEN ........................................ DNEBISH .......................................... BNEBONA ........................................ DNECESSITY ................................... CNECHE ........................................... CNECHES ......................................... CNECKROCK ................................... BNECONDA ..................................... CNECTAR ......................................... CNEDA .............................................. CNEDHILL ........................................ CNEEDHILL ...................................... BNEEDLE PEAK .............................. CNEEDMORE................................... CNEEL .............................................. DNEELEY ......................................... BNEEN .......................................... B/CNEEN, Wet ..................................... DNEEPER ......................................... BNEESES ......................................... CNEHALEM ...................................... BNEHALEM, Flooded ...................... CNEHAR ........................................... CNEHASNE ...................................... BNEICE ............................................. BNEISSENBERG ............................. CNEKIA ............................................. BNEKIA, Stony ................................. CNEKKEN ......................................... BNEKOMA ........................................ BNELLSPRING ................................ DNELSCOTT .................................... CNELSE ............................................ BNELSON ......................................... CNEMADJI ........................................ BNEMAH ....................................... C/DNEMICO ......................................... DNEMOTE ........................................ A

NEMOURS ..................................... CNENNO ........................................... CNEOLA ........................................... DNEOPIT .......................................... BNEOTOMA ..................................... BNEOTSU ......................................... CNEPONSET ................................... CNEPTUNE ...................................... ANERELNA ...................................... BNERESON ...................................... BNERWOODS .................................. BNESBITT ........................................ BNESDA ........................................... ANESHOBA ...................................... CNESIKA .......................................... BNESIUS .......................................... ANESKOWIN .................................... CNESO ............................................. DNESS ..............................................DNESSEL ......................................... BNESTLEY ....................................... BNETARTS ....................................... BNETAWAKA ................................... BNETOMA ........................................ BNETRAC ......................................... ANETTLETON .................................. CNEUBERT ...................................... BNEVARC ......................................... CNEVAT ............................................ BNEVENS ......................................... CNEVILLE ......................................... CNEVO ............................................. DNEVTAH ......................................... CNEVU ..............................................CNEWALBIN ................................ B/DNEWALLA ...................................... DNEWANNA ..................................... CNEWAUKUM .................................. BNEWAYGO ..................................... BNEWBERN ..................................... CNEWCO .......................................... DNEWCOMER .................................. BNEWDALE ...................................... BNEWDEAL ...................................... DNEWFLAT ...................................... DNEWFOLDEN ................................ CNEWFORK ..................................... DNEWFOUND .................................. CNEWGLARUS ................................ BNEWGLARUS, Severely Eroded .. CNEWHAN ........................................ ANEWHAVEN ................................... BNEWHORN .................................... BNEWHOUSE .................................. BNEWKIRK ....................................... DNEWLANDS ................................... CNEWLANG ................................. A/DNEWLIN .......................................... BNEWLONDON ............................... CNEWMARC .................................... CNEWNAN ........................................ CNEWRY .......................................... BNEWSKAH ..................................... BNEWSROCK .................................. BNEWSTEAD ................................... CNEWTMAN ..................................... DNEWTONIA .................................... BNEWULM ........................................ BNEWVIENNA ................................. BNEWVILLE ..................................... DNEYGAT ......................................... DNEZ PERCE ................................... CNEZ PERCE, Friable Substratum DNGARDMAU .................................. BNGARDOK ..................................... BNGERSUUL ................................... CNGERUNGOR ............................... DNIARADA ....................................... BNIBBS ............................................. BNIBEN ............................................. BNIBLACK ........................................ DNIBLEY ........................................... CNIBSON .......................................... DNICANOR ....................................... DNICELY .......................................... C

NICELYTOWN ............................... CNICHOLFLAT .................................DNICHOLIA ...................................... DNICHOLSON .................................. CNICHOLVILLE ................................ CNICKEL .......................................... CNICKERSON .................................. BNICKIN ........................................... BNICKLUND ..................................... BNICKOLNA ..................................... BNICODEMUS ................................. BNICOLAS ........................................ ANIDAROS ....................................... DNIDIX .............................................. BNIDO ............................................... CNIELSVILLE ............................... C/DNIKAL ............................................. BNIKFUL ........................................... DNIKISHKA ....................................... BNIKLAVAR ...................................... DNIKWASI .................................... B/DNILE ................................................ BNILER ............................................. DNILRAP .......................................... BNIMERICK ...................................... CNIMMO ........................................... DNIMROD ......................................... BNIMS ............................................... CNINCH ............................................ BNINEPIPE ....................................... BNINEVEH ....................................... BNINIGRET ...................................... BNINOT ............................................ BNIOBRARA .................................... DNIOTA ............................................. DNIPE ............................................... BNIPINTUCK .................................... DNIPISSING ..................................... BNIPPENO ....................................... DNIPSUM .......................................... CNIRAC ............................................ CNIRE ............................................... CNIRLING .........................................CNISENE .......................................... BNISHNA ...................................... C.DNISHNA, Ponded ........................... DNISHON, Warm ......................... C/DNISHON .......................................... DNISQUALLY ................................... ANISULA .......................................... BNITCHA .......................................... BNITCHE .......................................... BNITCHLY ........................................ BNITER ............................................. CNITPAC .......................................... DNIU .................................................. BNIULII ............................................. CNIVA ............................................... DNIWANA ......................................... BNIXON ............................................ BNIXONTON .................................... BNIZHONI .........................................DNOAH ............................................. BNOBLE ........................................... BNOBLETON ................................... CNOBOCO ........................................ BNOBSCOT ...................................... ANOBUCK ........................................ CNOCKAMIXON ............................... CNOCKEN ........................................ CNODHILL ........................................ BNODINE .......................................... BNODMAN ........................................ BNODUR .......................................... DNOELKE .........................................DNOHILI ........................................... DNOKASIPPI ................................ B/DNOKHU ........................................... CNOLAVA .........................................CNOLTEN .........................................CNOMARA ........................................ CNOMBERVILLE ............................. BNOME ............................................. DNOMRAH ........................................ BNONAME ........................................ D



NONAMELAKE .............................. CNONAMEWASH ............................. BNONDALTON ................................. BNONOPAHU ................................... DNONPAREIL .................................. DNOOBAB ........................................ CNOOK ............................................. CNOOKSACK ................................... CNOPAH ........................................... CNORA ............................................. BNORA VARIANT ............................ BNORAD ........................................... BNORAX ........................................... BNORBERT ...................................... DNORBORNE ................................... BNORDBY ........................................ BNORDHOUSE ................................ ANORENE ........................................ CNORFOLK ...................................... BNORGE .......................................... BNORGO .......................................... DNORIA ............................................ DNORKOOL ..................................... BNORMA ...................................... C/DNORMAL ........................................ BNORMANDY .............................. B/DNORMANGEE ................................ DNORMANIA .................................... BNORMANNA .................................. CNOROD .......................................... CNORPEL ......................................... CNORRIS .......................................... DNORTE ........................................... CNORTH POWDER ......................... CNORTHBEND ................................ CNORTHCASTLE ............................ CNORTHCOVE ................................ BNORTHFIELD ................................ DNORTHFORK ................................ BNORTHMORE ................................ CNORTHMOUND ............................. BNORTHPOINT ............................... DNORTHRUP ................................... CNORTHVILLE ................................. CNORTHWAY .............................. A/DNORTON ........................................ CNORWEST ..................................... BNORWIDGE ................................... BNORWOOD .................................... BNOSAL ........................................... CNOSLO ........................................... CNOSONI ......................................... BNOSSER ........................................ DNOTCHER ...................................... BNOTI ............................................... DNOTNED ........................................ BNOTSTEW ..................................... DNOTTAWA ..................................... BNOTUS ....................................... B/CNOUQUE ........................................ DNOVACAN ...................................... DNOVAK ........................................... BNOVARK ........................................ BNOVARY ........................................ DNOVINA .......................................... BNOWATA ........................................ BNOWEN ...................................... B/DNOWOY .......................................... BNOYES ....................................... C/DNOYO ............................................. CNOYSON ........................................ CNUAHS ........................................... BNUBY .............................................. DNUC ................................................ CNUCKOLLS .................................... BNUCLA ........................................... BNUECES ......................................... CNUFFEL .......................................... BNUFFER ......................................... CNUKA .............................................. DNUKRUM ........................................ DNULEY ............................................ BNUMA ............................................. CNUPART ......................................... DNUPPER ......................................... D

NUSIL ............................................. ANUSMAG ........................................ DNUTREEAH ................................... CNUTTER ......................................... BNUTVAL ......................................... BNUTZAN .........................................CNUVALDE ...................................... BNYAK .............................................. BNYALA ............................................ BNYE ................................................ BNYMAN ...........................................CNYMORE ........................................ ANYSERVA ...................................... BNYSSATON ................................... BNYSWONGER ............................... DNYTHAR .........................................DO’BRIEN ......................................... BO’NEILL .......................................... BOAHE ............................................. BOAK GROVE .................................. BOAKALLA ....................................... BOAKBORO .....................................COAKCITY ........................................ COAKCREEK ................................... BOAKDALE ...................................... BOAKHURST ................................... DOAKLAND ...................................... COAKLET .........................................COAKLIMETER ................................COAKTON ........................................ BOAKWOOD .................................... BOAKY ..............................................DOANAPUKA ................................... BOATUU ...........................................DOBAN ............................................. COBARO ........................................... BOBIE ............................................... BOBISPO .......................................... DOBNOT ...........................................DOBRAY ...........................................COBRIEN .......................................... COBSCURITY .................................. BOBURN ...........................................DOCCIDENTAL ................................DOCCUM .......................................... BOCCUR .......................................... COCEANET ...................................... DOCEANO ........................................ AOCHLOCKONEE ........................... BOCHO ............................................. DOCHOPEE ................................. B/DOCOEE ....................................... B/DOCONALUFTEE ............................ BOCONEE ........................................ COCONTO ........................................ BOCQUEOC ..................................... AOCQUEOC, Moderately Wet ........ BOCUD ............................................. DODANAH ........................................ DODAS ............................................. DODEM, Overwash .......................... AODEM ............................................. BODENSON .....................................DODERMOTT ................................... BODESSA .........................................DODIN ...............................................CODONNELL ................................... COESTERLE .................................... COFFENBACHER ............................COFU ................................................ BOGDEN .......................................... COGDENSBURG ............................. COGEMAW ................................... C/DOGILVIE ..................................... B/DOGLE .............................................. BOGLES ........................................... BOGLESBY ...................................... DOGRAL ........................................... BOGTNA ........................................... BOHACO .......................................... COHANA ...........................................COHMAN .......................................... AOHOP ............................................. COHSCOW ....................................... BOHTOG .......................................... B

OHTOG, Wet .................................. COHTWO .......................................... COIDEM ............................................ AOJATA ............................................ COJIBWAY ....................................... COJITO ............................................. COKAN ............................................. BOKAY .............................................. BOKEE .............................................. BOKEECHOBEE .......................... B/DOKEELALA .................................... BOKEELANTA .............................. B/DOKEETEE ...................................... DOKEMAH ........................................ COKERLAND ................................... BOKIOTA .......................................... DOKLARED ...................................... BOKLARK ......................................... BOKLAWAHA ............................... B/DOKO ................................................ COKOBOJI ....................................... DOKOLONA ...................................... DOKREEK ......................................... DOKRIST .......................................... BOKTAHA ......................................... BOLALLIE ......................................... DOLANCHA ...................................... BOLAND ........................................... BOLANTA ......................................... BOLASHES ...................................... BOLATHE ......................................... DOLATON ......................................... BOLBUT ............................................ DOLDBUTTE .................................... COLDMAN ........................................ COLDS .............................................. DOLDSMAR ...................................... DOLDSPAN ...................................... BOLDTRAIL ...................................... BOLDWOLF ...................................... BOLEAN ........................................... BOLELO ............................................ BOLEMAN ........................................ BOLEMAN ........................................ DOLENO ........................................... DOLENTANGY ............................. A/DOLEO .............................................. AOLEPHANT .................................... BOLEQUA ......................................... BOLETE ............................................ COLETHA ......................................... DOLEX .............................................. BOLF ................................................. DOLGUN ........................................... BOLI .................................................. BOLIAGA .......................................... COLIN ............................................... BOLINDA .......................................... BOLIVE ............................................. DOLIVENHAIN ................................. DOLIVIER ......................................... COLLA .............................................. BOLLEI ............................................. DOLLIERIVAS .................................. DOLMITO .......................................... DOLMITZ .......................................... BOLMOS ........................................... COLOAVA ......................................... BOLOKUI .......................................... DOLOMOUNT ................................... COLOMPALI ..................................... DOLPE .............................................. COLYIC ............................................. BOLYMPUS ...................................... AOMAHALING .................................. COMAK ............................................. COMENA .......................................... BOMIO .............................................. BOMRO ............................................ COMSTOTT ...................................... COMULGA ........................................ CONASON, Nongravelly .................. CONASON ........................................ DONATE ........................................... AONDAWA ....................................... B

ONECO .......................................... BONEIL ............................................. CONEONTA ...................................... BONKEYO ........................................ DONOVILLE ..................................... CONSLOW ........................................ BONSTAD ......................................... BONTKO ........................................... DONTRAIL ........................................ BOOKALA ......................................... AOOSEN ........................................... AOPALOCKA ................................... DOPIE ............................................... DOPIHIKAO ...................................... DOPLIN ............................................. COPNISH .......................................... COPOLIS .......................................... COPPIO, Stony ................................ COPPIO ............................................ DOPTIMA .......................................... AOQUIN ............................................ COQUOSSOC .................................. DORA ................................................ CORAGRAN ..................................... DORAID ............................................ CORAMEL ........................................ CORAN ............................................. BORANGEVALE .............................. BORCADIA ....................................... DORDNA ........................................... DORDNANCE ................................... CORDWAY ....................................... DOREANNA ...................................... BORENDA ........................................ BOREOKE ........................................ BORHOOD ....................................... DORIF ............................................... AORINOCO ...................................... CORIO .......................................... B/DORION ............................................ CORITA ............................................. BORIZABA .................................... B/CORLA .............................................. BORLANDO ...................................... AORLIE ............................................. BORMSBY ........................................ CORNBAUN ..................................... BORNEA ........................................... BORO FINO ...................................... BORONOCO .................................... BORONTO ........................................ COROSE ........................................... CORPARK ........................................ CORR ................................................ CORSET ........................................... BORSINO ......................................... AORTEGA ........................................ AORTELLCREEK ............................. CORTHENTS, Maat47-53 ............... CORTING .......................................... DORTIZ ............................................. CORTON ........................................... BORTONVILLE ................................ BORUPA ........................................... BORWET ...................................... A/DORWIG ........................................... BOSAGE ........................................... DOSBORN ........................................ COSCAR ........................................... DOSCEOLA ...................................... BOSCO ............................................. BOSDITCH ....................................... BOSGOOD ....................................... COSHAWA ........................................ DOSHONE ........................................ DOSHOTO ........................................ COSITO ............................................ COSKA ..............................................COSMUND ........................................ BOSO ................................................ COSOLL ............................................ DOSOLO ........................................... AOSSIAN ...................................... B/DOSSIPEE ........................................ DOSSMER ........................................ C



OST ................................................ BOSTIN ............................................. AOSTRANDER ................................. BOSWALD ........................................ DOTANYA ......................................... BOTEEN ........................................... COTEGO ........................................... BOTERODRY ................................... BOTHELLO ................................... C/DOTHELLO, Very Wet ..................... DOTISVILLE ..................................... AOTOE ............................................. DOTOMO .......................................... DOTOOLE ......................................... COTTERHOLT ................................. BOTTERSON ................................... AOTTMAR ........................................ BOTTMAR, Very Deep .................... COTTOKEE ...................................... AOTTOSEN ...................................... BOTTUMWA ..................................... DOTWAY .......................................... DOTWIN ............................................ COUACHITA ..................................... COUARD ........................................... DOULA .............................................. DOUPICO ......................................... COURAY, Cool ................................. AOURAY, Sandy Loam Surface ..... BOUSELFAL .................................... DOUSLEY ......................................... COUTLAW ........................................ DOUTLET ......................................... COUTLOOK .................................. C/DOUTPOST ...................................... COVALL ............................................ COVAN ............................................. DOVERCUP ...................................... DOVERLAKE .................................... AOVERLOOK ................................... BOVERSHUE ............................... B/DOVERSIGHT .................................. BOVIATT ........................................... BOVIDCREEK .................................. COVINA ............................................ BOVINGTON .................................... BOWANKA ........................................ COWENTOWN ................................. BOWINZA ......................................... DOWLCAN ........................................ BOWLHOLE ..................................... DOWLROCK ..................................... DOWLSPRING ................................. COWSEL ........................................... BOWYHEE ........................................ BOXBOW .......................................... COXFORD ........................................ DOXHEAD ........................................ BOXLEY ............................................ COXMAN .......................................... BOXY ................................................ COYHUT ........................................... COYLEN ........................................... BOZAN .............................................. DOZETTE ......................................... COZIAS ............................................. DPAAIKI ............................................ BPAALOA ......................................... BPAAUHAU ...................................... APABLO ............................................ DPACER ........................................... BPACHAPPA .................................... DPACHEL ......................................... BPACHNEUM ................................... BPACIFICO ...................................... CPACKARD ...................................... BPACKMO ........................................ BPACKSADDLE ............................... CPACKTRAIL ................................... CPACKWOOD .................................. DPACO ............................................. CPACTOLUS .................................... APADDY ........................................... DPADDYKNOB, Stony ..................... APADDYKNOB ................................. C

PADEN ........................................... CPADIGAN ....................................... DPADINA .......................................... BPADONIA ....................................... CPADRES ......................................... BPADRONES ................................... BPADUCAH ...................................... BPADWET ........................................ BPADWOOD .................................... BPAGARI .......................................... BPAGELAND .................................... CPAGESPRINGS ............................. DPAGINA .......................................... CPAHLOW ........................................ BPAHOKEE .................................. B/DPAHRANGE ................................... CPAHROC ........................................ DPAHRUMP ..................................... CPAHSIMEROI ................................. BPAHTO ........................................... CPAHUK ........................................... APAIA ................................................ BPAIGES .......................................... CPAILO ............................................. BPAINESVILLE ................................ CPAINT ............................................. DPAINTBRUSH ................................ CPAISANO ....................................... DPAJARA ......................................... CPAJUELA ....................................... BPAKA .............................................. BPAKINI ............................................ BPALACID ........................................ BPALACIOS ..................................... DPALAFOX ....................................... CPALANUSH .................................... CPALAPALAI .................................... BPALATINE ...................................... BPALAU ............................................ BPALAZZO ....................................... BPALERF ......................................... CPALINOR ........................................ DPALISADE ...................................... BPALISADE, wet .............................. CPALIX ............................................. BPALLS ............................................ CPALM .............................................. DPALM BEACH ................................ APALMAR ......................................... DPALMAREJO ................................. CPALMER CANYON ........................ BPALMERDALE ............................... BPALMETTO ................................ B/DPALMICH ....................................... BPALMONT ...................................... APALO .............................................. DPALOBIA ........................................ BPALODURO ................................... BPALOMARIN .................................. BPALOMAS ...................................... BPALOMINO .................................... DPALOS VERDES ........................... CPALOS VERDES, Dry ................... DPALSGROVE ................................. BPALUXY ......................................... BPAMISON ....................................... BPAMOA ........................................... BPAMSDEL ...................................... CPANA .............................................. BPANAEWA ..................................... DPANAK ........................................... BPANAMAKER ................................. APANAMAKER, Flooded ................. BPANAMINT ..................................... BPANDO ........................................... BPANDOAH ...................................... CPANDORA .................................. B/DPANDURA ...................................... DPANE .............................................. BPANHANDLE ................................. BPANHILL ........................................ BPANIN ............................................. BPANIOGUE .................................... CPANKY ........................................... BPANKY, Clayey .............................. C

PANMOD ........................................ CPANOLA ......................................... DPANOR ........................................... BPANORAMA ................................... BPANTANO, Gravelly ...................... CPANTANO ...................................... DPANTEGO .................................. B/DPANTERA ...................................... BPANTEX ......................................... CPANTON ......................................... DPAOLA ............................................ APAPAA ............................................ DPAPAC ........................................... CPAPAGUA ...................................... CPAPAI ............................................. APAPALOTE .................................... CPAPASPILA ................................... CPAPEEK ......................................... DPAPINEAU ..................................... CPAQUIN .......................................... APARA .............................................. BPARADISE ..................................... CPARADISE SPRING ...................... DPARADOX, Clayey ........................ CPARADOX, Wet ............................. DPARAGON ..................................... CPARAGONAH ................................ DPARAJE ......................................... BPARANAT, Drained, Saline .......... BPARASOL ...................................... BPARCELAS .................................... DPARCHIN ....................................... CPARDEE ......................................... DPARDEEVILLE .............................. BPARIATO ........................................ DPARIDA .......................................... BPARISIAN ....................................... DPARKALLEY .................................. BPARKDALE .................................... BPARKFIELD ................................... CPARKINSON .................................. BPARKS ........................................... BPARKVIEW .................................... BPARKVILLE .................................... CPARKWOOD .............................. B/DPARLE ........................................ C/DPARMELE ...................................... CPAROD ........................................... DPARREGO ..................................... CPARRITA ........................................ CPARSIPPANY ............................ C/DPARSNIP ........................................ DPARSONS ...................................... DPARTLOW ...................................... DPARTOV ......................................... DPARTRIDGE .................................. BPARVIS .......................................... BPASAGSHAK ................................. CPASCACK, Moderately WellDrained ........................................... BPASCACK, Smowhat PoorlyDrained ........................................... CPASCO ....................................... C/DPASHUA ......................................... CPASO SECO .................................. DPASQUETTI ................................... DPASQUOTANK .......................... B/DPASSAIC ........................................ DPASTIK ........................................... DPASTORPEAK ............................... BPATAHA ......................................... CPATBURN ...................................... CPATCHIN ........................................ DPATE ..............................................CPATEL ............................................ CPATELZICK .................................... DPATEMOS ...................................... BPATENT ......................................... BPATEROS ...................................... BPATHFINDER ................................ APATILLAS ....................................... BPATILO ........................................... APATOS ........................................... CPATOUTVILLE ............................... CPATOUZA ...................................... C

PATRICIA ....................................... BPATRICK ........................................ BPATRICKSBURG ........................... DPATROLE ....................................... CPATTANI ........................................ DPATTEE .......................................... BPATTENBURG ............................... BPATTERSON .................................CPATTIWAY .....................................CPAULDING .....................................DPAULSON ...................................... BPAUMALU ...................................... BPAUPACK ...................................... DPAUSANT ...................................... BPAUWELA ...................................... BPAVAIAI .........................................CPAVELEK ....................................... DPAVER ........................................... BPAVER, Fan ................................... CPAWCATUCK ................................ DPAWHUSKA ................................... DPAWLING ....................................... BPAWTOOT .....................................CPAX ................................................. BPAXVILLE .................................. B/DPAYNE ........................................... CPAYPOINT ..................................... BPEACHSPRINGS .......................... BPEAHKE ......................................... BPEARCE .........................................DPEARL ............................................ BPEARL HARBOR ........................... DPEARLWISE .................................. BPEARNE .........................................DPEARSONCREEK ......................... BPEASLEY ....................................... DPEASPEAR .................................... DPEAVINE ........................................ BPEAWICK ....................................... DPEBBLEPOINT .............................. CPECATONICA ................................ BPECKHAM ...................................... CPECKISH ........................................ DPEDEE ........................................... CPEDERNALES ............................... CPEDIGO ...................................... B/DPEDLEFORD .................................CPEDREGAL .................................... BPEDRICK ....................................... BPEDRICKTOWN ............................ DPEDRO ........................................... CPEEBLES ....................................... CPEEDEE ......................................... APEEKO ........................................... DPEEL ..............................................CPEERLESS .................................... BPEETZ ............................................ APEGLEG .........................................CPEJI ................................................ APEKAY ............................................ CPELAHATCHIE .............................. CPELAN ............................................ BPELATO .........................................DPELELIU .........................................DPELICAN ........................................ BPELION ...................................... B/DPELKIE ........................................... APELLEJAS ...................................... BPELLICER ...................................... DPELTON ......................................... BPEMBERTON ................................ BPEMI ............................................... CPEN ARGYL ................................... BPENAGUL ...................................... DPENALOSA .................................... CPENASCO ...................................... DPEND OREILLE ............................. BPENDARVIS .................................. CPENDEN ......................................... BPENDER .........................................CPENDERGRASS ........................... DPENDOLA ...................................... BPENELAS ....................................... DPENEY ........................................... DPENGILLY .................................. B/D



PENGRA ........................................ CPENINSULA ................................... BPENLAW ........................................ CPENNARGYL ................................. BPENNEKAMP ................................. DPENNELL ....................................... BPENNEY ......................................... APENNICHUCK ............................... BPENNING ....................................... BPENNYCREEK .............................. DPENTHOUSE ................................. CPENWELL ...................................... APENWOOD .................................... APENZANCE .................................... CPEOH ......................................... C/DPEOLA ............................................ CPEONE ....................................... C/DPEORIA .......................................... DPEOTONE .................................. C/DPEP ................................................. BPEPAL ............................................ BPEPIN ............................................. BPEPOON ........................................ DPEPPER ......................................... DPEPPERBOX ................................. BPEPTON ......................................... DPEQUAYWAN ................................ BPEQUEA ......................................... BPERCELL ....................................... BPERCHAS ...................................... DPERCHE ......................................... BPERCHLAKE ................................. BPERCILLA ...................................... DPERCOUN ..................................... CPERDIDO ....................................... BPERECHENEY .............................. BPERFA ............................................ DPERGRIN ....................................... BPERICO .......................................... BPERIDA .......................................... BPERIDGE ....................................... BPERIL ............................................. DPERING .......................................... CPERINOS ....................................... CPERITSA ........................................ CPERKINS ........................................ DPERKS ........................................... APERLOR ......................................... DPERN .............................................. BPERNITAS ..................................... CPERQUIMANS ............................... DPERREAU ...................................... BPERRIN .......................................... BPERRINE ................................... B/DPERRY ........................................... DPERRYGULCH .............................. DPERSANTI ..................................... CPERSAYO ...................................... CPERSIS .......................................... BPERSONVILLE .............................. BPERT .............................................. DPERVINA ........................................ BPESCADO ...................................... DPESCAR ......................................... CPESHTIGO ..................................... CPESKAH ......................................... BPESO .............................................. CPESOWYO ..................................... CPETACA ......................................... DPETAL ............................................ CPETAN ............................................ DPETCAN ......................................... CPETERMAN, Sandy Substratum,Alkali ............................................... CPETERMAN ................................... DPETERS ......................................... DPETERSON ................................... BPETESCREEK, Stony ................... BPETESCREEK, Gravelly ............... CPETRIE .......................................... CPETROF ......................................... BPETROS ......................................... DPETSPRING .................................. DPETTIGREW .................................. DPETTIJOHN ................................... B

PETTUS .........................................CPETTY ............................................ BPETTYJON .................................... BPEVELY ......................................... BPEVETO ......................................... APHALANX ....................................... BPHANTOM .....................................CPHAROAH ...................................... DPHEBA ...........................................CPHELAN .........................................DPHERSON ...................................... BPHIFERSON .................................. CPHILBON ........................................ DPHILIPPA ....................................... CPHILIPSBURG ............................... BPHILLCHER ................................... BPHILLIPS ........................................ CPHILLIPSBURG ............................. BPHILOMATH .................................. DPHILOMONT .................................. BPHING ............................................ CPHLISS ...........................................DPHLYNSPA .................................... BPHOEBE ......................................... BPHOENIX ....................................... DPHYS .............................................. BPIANKESHAW ............................... BPIANOHILL .................................... CPIAR ............................................... BPIASA ............................................. DPICACHO ....................................... CPICANTE ........................................ DPICARD .......................................... BPICEANCE .....................................CPICKAWAY .................................... CPICKENS ........................................ DPICKETPIN .................................... BPICKNEY .................................... A/DPICKTON ....................................... APICKWICK...................................... BPICOSA .......................................... CPICTURE ........................................ DPIDCOKE ....................................... DPIDINEEN ...................................... DPIE CREEK .................................... DPIEDAWN ....................................... BPIEDMONT .................................... DPIEGON.......................................... BPIERCEPARK ................................ BPIERIVER....................................... CPIERKING ...................................... DPIERPONT .....................................CPIERRE .......................................... DPIERRON ....................................... DPIERSONTE .................................. APIERZ ............................................. BPIETOWN ....................................... BPIEZON .......................................... BPIGEONROOST ............................ BPIGTAIL .......................................... DPIKADEN ........................................ APIKE................................................ BPIKEVILLE ..................................... BPILABO .......................................... BPILCHUCK ..................................... APILEUP ........................................... BPILGRIMS ...................................... BPILLERY ......................................... BPILLIKEN........................................ BPILLOT ........................................... BPILONI ............................................ APILOT PEAK .................................. DPILOT ROCK .................................CPILOTWELL ................................... BPILTZ ..............................................CPINAL ............................................. DPINBIT ............................................ BPINCHER ....................................... CPINCHOT ....................................... BPINE FLAT ..................................... BPINEAL ...........................................DPINEDA .......................................... DPINEGAP ....................................... BPINEGUEST .................................. BPINEHILL ....................................... B

PINEISLAND .................................. CPINELLAS .................................. B/DPINENUT ........................................ DPINEOLA ........................................ BPINERUN ....................................... BPINESPRING ................................. CPINETOP ........................................ CPINETUCKY ................................... BPINETUCKY,Graded ..................... CPINEVILLAGE ................................ BPINEYNECK .................................. BPINEYWOODS .............................. DPINEZ ............................................. BPINGREE ....................................... DPINHOOK ................................... B/DPINICON ........................................ BPINKEL ........................................... CPINKHAM ....................................... APINNEBOG ................................ A/DPINNOBIE ...................................... BPINNTANK ..................................... CPINONES ....................................... DPINOTY .......................................... BPINRIDGE ...................................... BPINSPRING ................................... CPINTAS .......................................... BPINTO ............................................. CPINWHEEL .................................... DPIOCHE .......................................... DPIONEER ....................................... DPIPEFLAT ...................................... APIPELINE ....................................... DPIPPIN ............................................ APIPPOD .......................................... APIRAPEAK ..................................... BPIRD ............................................... BPIRKEY .......................................... CPIRODEL ........................................ BPISCASAW .................................... BPISCOE .......................................... BPISGAH .......................................... CPISMO ............................................ DPISTOL ........................................... CPISTOLRIVER ............................... BPITCHER ........................................ BPITCO ............................................. DPITNEY .......................................... CPITTSGROVE ................................ BPITTVILLE ...................................... BPITVAR .......................................... DPITZER ........................................... CPIUMPSHA .................................... BPIVOT ............................................. APIXLEY ........................................... DPIZENE .......................................... BPLACEDO ...................................... DPLACER ......................................... BPLACID ...................................... B/DPLACK ............................................ DPLAINBO ........................................ APLAINS ........................................... APLAINTANK ................................... CPLAINVIEW .................................... APLANK ............................................ CPLANKINTON ................................ DPLANTATION ............................. B/DPLASKETT ..................................... DPLATEA .......................................... CPLATO ............................................ CPLATSHER .................................... CPLATTVILLE .................................. BPLAYMOOR ............................... C/DPLAZA ............................................ CPLEASANT .................................... CPLEDGER ...................................... DPLEINE ........................................... DPLEIOVILLE ................................... CPLEITO ........................................... BPLEMONS ...................................... BPLEV .............................................. BPLEVNA ......................................... DPLINCO .......................................... BPLOVER ......................................... CPLUCK ............................................ CPLUMBROOK ................................ B

PLUMCREEK ................................. BPLUMFIELD ................................... CPLUSH ............................................ BPLUTOS ......................................... BPOACHIE ....................................... BPOALL ............................................ CPOALL, Cool .................................. DPOARCH ........................................ BPOBER ........................................... BPOCALLA ....................................... APOCASSET .................................... BPOCATELLO .................................. BPOCATY ......................................... DPOCKER ........................................ CPOCOLA ......................................... DPOCUM .......................................... DPODEN ........................................... BPODMOR ....................................... CPODUNK ........................................ BPODUS ........................................... CPOE ................................................ CPOGAL ........................................... CPOHAKUPU ................................... BPOHOCCO ..................................... BPOINSETT ..................................... BPOINT ............................................. CPOINT ISABEL .............................. CPOINTLA ........................................ CPOISONHOL .................................. CPOJO ..............................................CPOKEGEMA ................................... BPOKER ........................................... CPOKEY ........................................... CPOLALLIE ...................................... CPOLANDER ................................... BPOLAR ........................................... BPOLAWANA ............................... A/DPOLECAT ....................................... BPOLETA ......................................... CPOLETAD ....................................... BPOLICH .......................................... CPOLKING ....................................... DPOLLARD, High Rainfall ............... BPOLLARD ....................................... CPOLLASKY .................................... BPOLLUX ......................................... CPOLO, Moderate Perm ................. BPOLO, Moderately Slow Perm ..... CPOLSON ......................................... BPOLUM ........................................... BPOLUMAR ...................................... BPOLVADERO ................................. CPOMAN .......................................... CPOMAT, Dry ................................... BPOMAT ........................................... CPOMERENE ................................... CPOMERENING............................... APOMME .......................................... BPOMO ............................................. BPOMONA .................................... B/DPOMPONIO ................................... CPONCA ........................................... BPONCENA ...................................... DPONCHA ........................................ APONCIANO .................................... CPOND CREEK ............................... BPONDER ........................................ DPONDEROSA ................................ BPONE ......................................... B/DPONINA .......................................... DPONTOTOC ................................... BPONYCREEK ............................. A/DPONZER ......................................... DPOOBAA ........................................ CPOOCHAM ..................................... BPOOKALOO ................................... DPOOKU ........................................... BPOOLEVILLE ................................. CPOORCAL ...................................... BPOORHOUSE ................................ DPOORMA ........................................ BPOORMAN ..................................... BPOORMAN ..................................... DPOOSE ........................................... DPOPASH ......................................... D



POPHERS ...................................... CPOPLE ........................................ B/DPOPSON ........................................ BPOQUITA ....................................... BPORONTO ..................................... CPORRETT ...................................... DPORRONE ..................................... BPORTAGEVILLE ........................... DPORTAL ......................................... BPORTALES .................................... BPORTALTO .................................... BPORTDICK ..................................... BPORTER ......................................... BPORTERFIELD .............................. DPORTERSPRINGS ........................ BPORTGRAHAM ............................. BPORTHILL ...................................... DPORTIA .......................................... CPORTILLO ...................................... BPORTINO ....................................... CPORTLAND .................................... DPORTMOUNT ................................ BPORTSMOUTH .......................... B/DPORTVILLE ................................... CPORUM .......................................... DPOSEY ........................................... BPOSEYVILLE ................................. CPOSKIN .......................................... CPOSO ............................................. BPOSOS ........................................... CPOSSUMTROT .............................. BPOST .............................................. DPOTAGANNISSING ...................... DPOTAMUS ...................................... BPOTATOLAKE ............................... BPOTAWATOMI ............................... CPOTCHUB ...................................... CPOTEET ......................................... CPOTELL .......................................... BPOTH .............................................. CPOTLATCH .................................... CPOTOSI .......................................... DPOTRATZ ....................................... CPOTRERO .................................. A/DPOTRILLO ...................................... BPOTRMOUND ................................ CPOTTER ......................................... CPOTTERSVILLE ............................ CPOTTINGER .................................. BPOTTSBURG ................................. CPOUDRE ........................................ DPOUJADE ...................................... BPOULSBO ...................................... DPOUNCEY ...................................... DPOVERTY ...................................... DPOVERTYFLAT ............................. BPOVIRT .......................................... DPOWDERHORN ............................ CPOWDERWASH ............................ CPOWEEN ........................................ CPOWELL ......................................... CPOWER .......................................... BPOWLEY ........................................ DPOWLOW ....................................... DPOWMENT ..................................... CPOWVAL ........................................ BPOWWAHKEE ............................... BPOWWATKA .................................. CPOYGAN ........................................ DPOZEGA ......................................... CPOZO BLANCO ............................. BPRADE ........................................... DPRAIRIE ......................................... APRAIRIECREEK ............................ CPRAIRIEVILLE ............................... BPRAMISS ....................................... CPRATHER ...................................... DPRATLEY ....................................... CPRATT ............................................ APREAKNESS ............................. B/DPREATORSON .............................. BPREGO ........................................... APRELO ........................................... BPREMIER ....................................... BPRENTISS ..................................... C

PRESA ........................................... BPRESHER ...................................... BPRESNAL ....................................... BPRESTO ......................................... BPREUSS ......................................... CPREUSSRANGE ........................... CPRICE ............................................. BPRICECREEK ................................ DPRICETOWN ................................. BPRIDHAM ....................................... DPRIESTLAKE ................................. BPRILL .............................................. DPRIM ............................................... DPRIMEAUX .................................... CPRIMGHAR .................................... BPRINCETON .................................. BPRINEVILLE .................................. CPRINSBURG .............................. B/DPRISONEAR .................................. CPRISSEL ........................................ APRITCHARD .................................. CPROBERT ...................................... BPROMONTORY ............................. DPRONG .......................................... CPROPER ........................................ APROPHETSTOWN .................... B/DPROTIVIN ...................................... CPROUT ........................................... CPROVIDENCE ............................... CPROVIG .......................................... CPROW ............................................ DPRUCREE ...................................... CPRUDY ........................................... BPRUE .............................................. BPRUITTON ..................................... BPRUNIE .......................................... DPRYOR ........................................... CPSAMMAQUENTS ........................ DPSAMMENTS ................................ APSUGA ........................................... BPSUYAAH ...................................... CPTARMIGAN .................................. CPUAPUA ......................................... DPUAULU ......................................... APUCKUM ........................................ DPUEBLO ......................................... BPUELZMINE ................................... DPUERCO ........................................ DPUGET ........................................... CPUGSLEY, Dry .............................. BPUGSLEY ...................................... CPUHI ............................................... BPUHIMAU ....................................... DPUICE ............................................. CPULA .............................................. CPULANTAT .................................... CPULASKI ........................................ BPULCAN ......................................... CPULEXAS ....................................... BPULLMAN ...................................... DPULLUP ......................................... APULPIT ........................................... CPULSIPHER ................................... DPULTNEY ....................................... CPUMEL, Nongravelly ..................... CPUMEL ........................................... DPUMPHOUSE ................................ BPUMPHOUSE, Clayey Subsoil ..... CPUMPKIN ....................................... BPUNA .............................................. APUNALUU ...................................... DPUNG ............................................. CPUNOHU ........................................ APUNSIT .......................................... CPUNTA ....................................... B/DPUNTILLA ...................................... BPURCELLVILLE............................. BPURCHASE ................................... CPURCHES ...................................... CPURDIN .......................................... CPURETT ......................................... BPURGATORY ................................ CPURGATORY, Cool Dry ............... DPURNELL ....................................... DPURNER ........................................ D

PUROB ........................................... DPURSLEY ....................................... BPUSHMATAHA .............................. CPUSTOI .......................................... BPUTCO ........................................... BPUTNAM ........................................ DPUTNEY ......................................... BPUTT ..............................................CPUU LAI ......................................... DPUU MOIWI ................................... BPUU OO ......................................... APUU OPAE ..................................... BPUUKALA ....................................... DPUUONE ........................................ CPUYE ..............................................CPUZZLECREEK ............................. BPYBURN ......................................... DPYEATT .......................................... BPYLE .............................................. BPYLON ........................................... DPYOTE ........................................... APYRADY ......................................... CPYRAMID ....................................... DPYRENEES .................................... CPYRMONT, Bedrock Substratum . CPYRMONT ..................................... DPYSHT ............................................ CQENI ............................................... CQUADRIA ....................................... DQUAFENO ...................................... CQUAGLE ......................................... BQUAILPRAIRIE .............................. CQUAILRIDGE ................................. BQUAKERTOWN ............................. CQUAKING ....................................... BQUALLA, Dry ................................. BQUALLA ......................................... CQUAM ......................................... B/DQUANAH ........................................ BQUANTICO .................................... BQUARDERER ................................ BQUARLES ...................................... DQUARTELES ................................. DQUARTERBACK ............................ BQUARTERMASTER ...................... CQUARTZVILLE .............................. BQUATAMA ...................................... CQUAY ............................................. BQUEALMAN ............................... B/CQUEALY ......................................... DQUEBRADA ................................... CQUEENY ........................................ DQUEETS ......................................... BQUEMADO ..................................... CQUENCHEROO ............................. BQUENZER ...................................... DQUERC ........................................... CQUETICO ....................................... DQUEZCAN ...................................... CQUIBURI ........................................ BQUICKSELL ................................... CQUICKSILVER ............................... DQUIDEN .......................................... BQUIENSABE .................................. CQUIERO ......................................... CQUIETUS ....................................... CQUIGG ............................................ DQUIHI ..............................................CQUILCENE ..................................... CQUILLAMOOK ............................... BQUILLAYUTE ................................. BQUILLIAN ....................................... CQUIMA ............................................ BQUIMERA ....................................... CQUINAULT ..................................... DQUINBINS ...................................... CQUINCREEK .................................. CQUINCY .......................................... BQUINLIVEN .................................... CQUINN ........................................ B/DQUINNEY ....................................... CQUINTO .......................................... DQUIRK ............................................ CQUITERIA ...................................... BQUITMAN ....................................... C

QUITTER ........................................ BQUIVER ...................................... B/DQUIVERA ....................................... CQUOMUS ....................................... BQUONAL ........................................ BQUOPANT ...................................... DQUOSATANA .................................DRABBS ........................................... BRACE .............................................. BRACING .......................................... DRACKER ......................................... ARADER ........................................... DRADFORD ...................................... BRADIUM ......................................... ARADLEY ......................................... BRADNOR ........................................ CRAFTRIVER ................................... CRAFTVILLE .................................... BRAGAMUFFIN ............................... BRAGGULCH ................................... CRAGNAR ........................................ BRAGPIE .......................................... DRAHAL ............................................ CRAHM ............................................. CRAHWORTH .................................. BRAIL ................................................ DRAILCITY ....................................... ARAILROAD .....................................CRAINBOLT .....................................CRAINEY .......................................... CRAINIER .........................................CRAINO ............................................ DRAINS ......................................... B/DRAINS, Flooded ............................. DRAINSBORO .................................. CRAINSVILLE .................................. BRAINTUF ........................................ BRAISIO ........................................... CRAKANE .........................................CRALDRIDGE .................................. BRALORE .........................................DRALPH ............................................ BRALPHSTON ................................. BRALSEN .........................................DRAMADERO ................................... BRAMAH ........................................... BRAMBLA .........................................CRAMMEL ........................................ CRAMONA ........................................ CRAMOTH ........................................ BRAMPART ...................................... BRAMSDELL .................................... CRANA ..............................................DRANACKER ................................... DRANCE ........................................... CRANCHOSECO ............................. DRANCO ........................................... DRANDADO .....................................CRANDALL ....................................... DRANDCORE ................................... DRANDMAN .....................................DRANDOLPH ................................... CRANDS ........................................... CRANDSBURG ................................ DRANGEE ........................................ DRANGER ........................................ CRANKOR ........................................ BRANRUFF ...................................... DRANSECT ...................................... CRANSLO .........................................DRANSOM ........................................ BRANSTEIN ..................................... BRANTOUL ...................................... DRAPADO ........................................ CRAPATEE ....................................... DRAPELJE ....................................... BRAPH .............................................. BRAPHO ........................................... BRAPIDAN ....................................... BRAPPAHANNOCK ......................... DRAPSON ........................................ BRAQUETTE .................................... BRARICK .......................................... CRARITAN ........................................ CRASSER ......................................... B



RASSET ......................................... BRASTER ......................................... ARASTUS ......................................... CRATIOPEAK ................................... BRATLAKE ....................................... DRATLEFLAT ................................... BRATLIFF ......................................... BRATROOT ...................................... DRATSNEST .................................... DRATSOW ........................................ CRATTLER ....................................... DRATTO ........................................... CRAUB .............................................. CRAUS .............................................. CRAUSTER ...................................... CRAUZI ............................................. BRAVALLI, Bedrock Substratum .... BRAVALLI ......................................... DRAVEENWASH.............................. ARAVEN ........................................... ARAVENELL .................................... DRAVENNA ...................................... CRAVENSROOST ........................... BRAVIA ............................................. CRAWAH .......................................... CRAWLES ........................................ BRAWSON ....................................... BRAYBURN ...................................... DRAYCREEK ................................... BRAYFORD ...................................... CRAYLAKE ....................................... DRAYNAL ......................................... CRAYNOLDSON .............................. BRAYOHILL ...................................... CRAYPOL ......................................... CRAZORBA ...................................... BRAZORBACK ................................. DRAZSUN ......................................... DREADLYN ...................................... BREALLIS ......................................... BREAM ............................................. BREAP .............................................. DREARDAN ...................................... CREAVILLE ...................................... CREAVIS .......................................... BREBA .............................................. CREBECCA ...................................... BRECK .............................................. DRECKLOR ...................................... CRED BAY ........................................ BRED BLUFF ................................... BRED HILL ....................................... BRED HOOK .................................... CRED SPUR ..................................... BREDARROW .................................. DREDBELL ....................................... BREDBIRD ....................................... BREDBOW ....................................... CREDBUD ........................................ CREDCAMERON ............................. DREDCANYON ................................ BREDCAP ......................................... BREDCHIEF ..................................... CREDCLOUD ................................... BREDCO ........................................... DREDCREEK ................................... CREDDALE ...................................... DREDDIES ....................................... BREDFIELD ...................................... BREDFIELD, Wet ............................. CREDFIST ........................................ CREDFLAME .................................... BREDFLAT ....................................... BREDHOOK ..................................... AREDIG ............................................ BREDLAKE ....................................... DREDLEVEL .................................... CREDLOCK ...................................... BREDLODGE ................................... DREDMANSON ................................ BREDMORE ..................................... CREDMOUNT ................................... BREDNIK .......................................... BREDNIK, Nonstony ........................ CREDNUN ........................................ C

REDO ............................................. AREDPEAK ...................................... BREDPEN ......................................... BREDPORT ...................................... BREDRIDGE .................................... BREDRIM ......................................... BREDROB ........................................ CREDSLIDE ..................................... BREDSPEAR ................................... DREDSPOON ................................... CREDSPRINGS ............................... BREDSPRINGS, Graded ................. DREDSTOE ...................................... BREDSUN ........................................ DREDTHAYNE ................................. BREDUN ........................................... BREDVALE ....................................... CREDVIEW ....................................... CREDVINE ....................................... CREDWASH .....................................DREDWATER ................................... BREED ..............................................DREEDER .........................................CREEDPOINT .................................. DREEDSBURG ................................CREEDSCREEK .............................. BREEDSLAKE .................................. BREEDWEST ................................... CREEDY ...........................................CREEFRIDGE .................................. DREELFOOT .................................... CREEPO ...........................................CREESE ...........................................CREESER .........................................CREESVILLE .................................... CREEUP ...........................................CREFLECTION ................................ BREGAL ....................................... B/DREGER ........................................... BREGGAD ........................................ AREGNAPS ...................................... CREGRACIC .................................... DREHBURG .....................................CREHFIELD...................................... BREHM ............................................. CREHOBETH ................................... DREICESS ........................................ BREILLY ........................................... AREINACH ....................................... BREINECKE ..................................... BREINER .......................................... BREINHART .....................................DREIS ...............................................DREK ................................................ CREKIMA .......................................... DRELAN ............................................ BRELEEP ......................................... BRELFE ............................................ ARELIZ ............................................. DRELYEA ......................................... BREMBERT ...................................... DREMEDIOS .................................... CREMLAP .........................................CREMMEL ........................................ BREMMIT ......................................... BREMOUNT ..................................... AREMSEN ........................................ DREMUS ........................................... BREN ................................................ DRENCALSON .................................CREND ............................................. BRENDOVY ...................................... BRENEGADE ................................... DRENFROW .....................................DRENHA ...........................................CRENICK .......................................... DRENNER ........................................ BRENNIE .......................................... DRENOX ........................................... BRENSHIGH .................................... BRENSSELAER ............................... CRENTHIN ....................................... DRENTILL ......................................... BRENTON .................................... C/DRENTSAC ...................................... C

RENTZEL ....................................... CRENVERS ...................................... DRENWASH ..................................... BRENWICK ...................................... BREPARADA ................................... DREPKIE .......................................... BREPMIS .......................................... CREPP .............................................. BREPPART ...................................... BRESOOT ........................................ CRESOTA ......................................... ARESTON ......................................... DRET, High Elevation ...................... CRET ................................................. DRETAW ........................................... DRETEP ............................................ BRETSOVER ................................... CRETTIB ........................................... BRETTIB LOAM ............................... BREUTER ......................................... CREVA .............................................. DREVEL ............................................ CREVERE ..................................... B/DREVIT ............................................. CREVLING ........................................ BREVOR ........................................... DREWARD ........................................ BREXFORD ...................................... CREXOR ........................................... BREYAB ........................................... BREYCREEK ................................... CRHEA .............................................. BRHOAMETT ................................... DRHYLOW ........................................ BRHYMES ........................................ ARIB .............................................. B/DRIBERA .......................................... CRIBHILL .......................................... BRIBRIVER ...................................... BRICCO ............................................ DRICEBORO ................................ B/DRICELAKE ...................................... BRICES ............................................. CRICETON, Sandy Substratum ...... ARICETON ....................................... BRICEVILLE ..................................... CRICH ............................................... CRICH, Wet ...................................... DRICHARDVILLE ............................. BRICHFIELD .................................... CRICHFORD .................................... ARICHSUM ....................................... BRICHVIEW ..................................... CRICHWOOD ................................... BRICKETTS, Nonstony ................... BRICKETTS ...................................... CRICKMAN ....................................... CRICKMORE .................................... CRICKREALL ................................... DRICKS ............................................. ARICOT ............................................ CRIDENBAUGH ............................... DRIDGE ............................................ BRIDGELAND .............................. B/DRIDGELAWN, wet ......................... DRIDGELITE .................................... DRIDGEVIEW ................................... DRIDGEWOOD ................................ CRIDIT .............................................. CRIDLEY .......................................... CRIEDEL .......................................... CRIEDTOWN .................................... CRIESEL ........................................... CRIFT ................................................ CRIGA ............................................... DRIGDON ......................................... CRIGGSVILLE .................................. CRIGOLETTE ................................... CRILEY ............................................. BRILLA .............................................. BRILLOSO ........................................ ARIMINI ............................................ ARIMROCK ...................................... DRIMTON ......................................... CRIN .................................................. B

RINCON ......................................... CRINCONFLAT ................................ BRINDGE, Drained .......................... CRINEARSON .................................. BRINEY ............................................. BRINGLE .......................................... BRINGO ............................................ DRINGWOOD ................................... BRINKER .......................................... CRINQUIN ........................................ CRIO ARRIBA .................................. DRIO DIABLO ................................... CRIO FRIO ....................................... BRIO GRANDE ................................ BRIO KING ....................................... CRIO LAJAS ..................................... ARIO PIEDRAS ................................ BRIOBLANCHO ............................... CRIOLINDA ...................................... CRIOLOMAS .................................... BRIONUTRIA ................................... CRIOVISTA ....................................... ARIPGUT .......................................... CRIPLEY ........................................... CRIPON ............................................ BRIPPLE ........................................... BRISBECK ........................................ BRISLEY ........................................... CRISUE ............................................. DRISWOLD ....................................... BRITA ................................................ DRITCHEY ........................................ DRITIDIAN ........................................ DRITNER .......................................... CRITO ............................................... BRITTEL ........................................... CRITTER ........................................... BRITZ ............................................ C/DRITZCAL ........................................ BRIVALIER ....................................... BRIVERBY ........................................ ARIVERDALE ................................... ARIVERLOST ................................... BRIVEROAD .................................... CRIVERSIDE .................................... ARIVERTON ..................................... BRIVERVIEW ................................... BRIVERWASH ................................. ARIVIERA, Limestone Substratum B/DRIVIERA ......................................... DRIXON ............................................ CRIZ .................................................. DRIZNO ............................................ AROACHA ........................................ CROADMASTER .............................. DROANE ........................................... CROANHIDE .................................... CROARING ....................................... BROATCAP ...................................... BROBAGO ........................................ BROBANA ........................................ BROBBS ........................................... DROBBSCREEK .............................. CROBCO .......................................... CROBER ........................................... CROBERTSDALE ............................ CROBERTSVILLE ............................ DROBINETTE ................................... BROBINLEE ..................................... CROBOLATA .................................... CROCHELLE .................................... CROCHEPORT ................................ BROCHER ........................................ BROCHPAH ..................................... DROCK OUTCROP .......................... DROCKABIN .................................... CROCKBLUFF ................................. AROCKCASTLE ............................... DROCKCUT ...................................... BROCKDALE ................................... AROCKDAM ..................................... AROCKERS ...................................... CROCKFIELD ................................... BROCKFORD ................................... B



ROCKHILL ..................................... DROCKHOUSE ................................ AROCKLIN ....................................... DROCKMILL ................................. C/DROCKO .......................................... BROCKOA ........................................ BROCKPENS ................................... BROCKRUN ..................................... BROCKSAN ...................................... CROCKY FORD ............................... CROCKYBAR ................................... BROCKYBROOK ............................. BRODAD ........................................... DRODELL ......................................... DRODEN ........................................... DRODEO .......................................... DRODESSA ...................................... DRODIE ............................................ BRODNEY ........................................ DRODROF ........................................ DROELLEN ....................................... DROEMER ........................................ CROGAN .......................................... BROGERSON .................................. DROGGER ........................................ BROGRUBE ..................................... BROHAN ........................................... DROHNERVILLE .............................. BROHONDA ..................................... CROHRBECK ................................... BROHRERSVILLE ........................... DROJO .............................................. CROLETTE ....................................... CROLFE ........................................ C/DROLIE ............................................. DROLLA ............................................ CROLLAWAY ................................... DROLLINGSTONE ........................... CROLLINS ........................................ AROLO ............................................. BROMAN .......................................... BROMANOSE .................................. DROMBERG ..................................... CROMBO .......................................... DROME ............................................. BROMEO .......................................... DROMGAN ....................................... CROMINE ......................................... BROMINELL ..................................... CROMNELL .................................. B/DROMONA ....................................... DROMOUND .................................... CROMSTOCK ................................... BRONAN ........................................... DROND ............................................. CRONDELL ...................................... BRONEY ........................................... CRONNEBY ...................................... CRONSON ........................................ BROOKS ........................................... BROONEY ........................................ DROOP ............................................. BROOSET ........................................ CROOSTERCOMB .......................... CROOT ......................................... B/DROOTEL ......................................... CROPER ....................................... B/DROQUES ........................................ DROSALIE ........................................ BROSAMOND .................................. CROSARIO ....................................... CROSCED ........................................ BROSCHENE ................................... CROSE VALLEY .............................. DROSEBERRY, Sandy Substratum CROSEBERRY, Drained ................. DROSEBRIAR .................................. DROSEBURG ................................... BROSEDALE .................................... AROSEDHU ................................. B/DROSEGLEN ................................... BROSEHAVEN ................................. BROSEHILL ...................................... DROSELAND ................................... BROSELLA ....................................... D

ROSELLE ....................................... CROSENBROCK.............................. DROSENDALE ................................. CROSENWALL ................................. DROSESPRING ............................... BROSEWOOD .................................. DROSHE SPRINGS ..................... C/DROSHOLT ...................................... BROSINE .......................................... BROSLYN ......................................... BROSMAN ........................................ BROSS ............................................. BROSSMOOR .................................. BROSSMOYNE ................................ CROSSPEAK ................................... BROSSVILLE ................................... BROSWELL ...................................... AROSY ............................................. BROTAMER ..................................... BROTAN ........................................... CROTHICAN .................................... BROTHSAY ...................................... BROTINOM ...................................... BROTTULEE .................................... CROTURA ........................................ BROUEN ........................................... BROUGHCREEK ............................. DROUND BUTTE ............................. DROUNDABOUT.............................. CROUNDBARN ................................ BROUNDHEAD ............................ B/DROUNDOR ..................................... CROUNDUP ..................................... CROVAL ........................................... DROWDEN ....................................... CROWDY .......................................... BROWE ............................................ DROWEL .......................................... DROWENA ....................................... CROWLAND ..................................... CROWLEY ........................................ CROXAL ........................................... DROXANA ........................................ BROXER ........................................... BROXTON ........................................ DROYCE ........................................... CROYERTON ................................... BROYSTONE ................................... BROZARA ......................................... DROZELLVILLE ............................... BROZLEE ......................................... CRUBBLE LAND .............................. ARUBICITY ....................................... BRUBIO ........................................ C/DRUBSON ........................................ BRUBY .............................................. BRUBYCREEK ................................. BRUBYLAKE, Strongly Saline ........ CRUBYLAKE .................................... DRUCHEZ ......................................... CRUCKER ........................................ BRUDDLEY ...................................... DRUDEEN ........................................ CRUDO ............................................. BRUDYARD ...................................... DRUEDLOFF .................................... BRUELLA ......................................... BRUESH ........................................... BRUGAR ........................................... CRUGLES ......................................... BRUINS, Thick Surface ................... ARUINS ............................................ CRUIZ ............................................... ARUMA ............................................. BRUMBO .......................................... CRUMFORD ..................................... BRUMLEY ......................................... BRUMNEY ........................................ CRUMPAH ........................................ DRUMPELTEASER .......................... DRUMPLE ......................................... CRUMSEY ........................................ BRUMUNG ....................................... CRUNCLINT ..................................... ARUNE ............................................. C

RUNGE ........................................... BRUNLETT ....................................... BRUPLE ............................................ CRUPLEY ......................................... ARUPRECHT ................................... DRUSBACH ...................................... ARUSHCREEK ................................. BRUSHFORD ................................... BRUSHLAKE .................................... ARUSHMORE .............................. B/DRUSHRIVER .............................. B/DRUSHTOWN .................................. ARUSHVILLE ................................... DRUSKTOWN .................................. BRUSO ............................................. BRUSSLER ...................................... CRUSTIGATE ................................... CRUSTLERPEAK ............................. CRUSTY ........................................... BRUSTYBUTTE ............................... BRUTERSVILLE .............................. CRUTHERFORD .............................. CRUTLAND ...................................... CRYALLEN ....................................... DRYAN ..............................................DRYARK ........................................... BRYCO ............................................. DRYDOLPH ...................................... CRYEGATE ...................................... CRYELL ............................................ DRYER ..............................................CRYKER ........................................... BRYORP ........................................... CRYUS .............................................. BSAAR ..............................................CSABANA ......................................... DSABANA SECA .............................. DSABENYO ...................................... BSABIES .......................................... CSABINA .......................................... CSABINE .......................................... ASACATAR ...................................... BSACH ..............................................CSACKETT ....................................... BSACO ............................................. DSACTUS ......................................... DSACVILLE ...................................... DSADDLEBUNCH ............................ DSADDLEBUTTE ............................. DSADDLEPEAK ............................... BSADIE ............................................. CSADLER ......................................... CSADORUS ...................................... DSAEMO ........................................... BSAFETY .......................................... BSAGANING ................................ A/DSAGASER ...................................... BSAGE ..............................................DSAGECREEK ................................. BSAGEDALE .................................... CSAGEHEN ...................................... DSAGERTON ................................... CSAGEVALLEY ................................ BSAGLE ............................................ CSAGLEY ......................................... BSAGO ............................................. DSAGOUSPE ............................... B/CSAHALIE ........................................ BSAHAPTIN ..................................... DSAHKAHTAY ................................. BSAHUARITA ................................... BSAID ............................................... BSAILBOAT .................................. B/CSAILES ........................................... BSAIN ............................................... BSAKAKAWEA ................................. BSAL ................................................. DSALADAR ....................................... DSALAL ............................................ CSALAMANCA ................................. BSALAMATOF ................................. DSALANDER .................................... BSALCO ........................................... BSALCREEK .................................... CSALEM ........................................... B

SALERNO .................................. B/DSALGA ............................................ CSALINAS ........................................ DSALINE=SODIC ............................. ASALISBURY, High Elevation ........ DSALIX ............................................. BSALKUM ......................................... BSALLYANN .................................... CSALMON ........................................ BSALONIE, Moderately wet ............ CSALT CHUCK ................................ ASALT FLAT .................................... DSALTCREEK .................................. CSALTERY ....................................... DSALTILLO ....................................... CSALTINE ........................................ CSALTON .........................................DSALUDA .........................................CSALVISA ........................................ CSALZER, Protected ....................... CSAMARIA ....................................... BSAMBA ........................................... DSAMBRITO .................................... BSAMINIEGO ................................... CSAMOIST ....................................... DSAMOR .......................................... DSAMSIL .......................................... DSAN ANDREAS ............................. BSAN ANTON .................................. BSAN ANTONIO .............................. CSAN BENITO ................................. BSAN GERMAN ............................... DSAN ISABEL, Stony ...................... ASAN ISABEL,Cobbly ..................... BSAN MIGUEL .................................DSAN RAFAEL ................................. BSAN SEBASTIAN .......................... BSAN SIMEON .................................DSAN YSIDRO .................................DSANBEE, Thin ............................... ASANBEE ......................................... BSANBORG .....................................DSANBORN ...................................... CSANBURN ...................................... BSANCAJO ...................................... CSANDBERG ................................... ASANDBRANCH .............................. BSANDBUR ...................................... ASANDCREEK .................................DSANDERSON ................................ BSANDHILL ...................................... BSANDIA .......................................... BSANDOSE ...................................... ASANDOVER ................................... ASANDOW ....................................... CSANDRIDGE, Alkali ...................... ASANDSPRING ............................... BSANDUN ........................................ BSANDUSKY ................................... DSANDVIEW .................................... BSANDWASH ................................... CSANDWICK .................................... BSANDY POINT ............................... DSANFECO ...................................... CSANFELIPE ................................... BSANGO ........................................... CSANHEDRIN .................................. BSANHUD ........................................ BSANILAC ........................................ BSANJE ............................................ BSANKEY .........................................CSANKLUNA .................................... BSANLOREN ................................... BSANOSTEE .................................... CSANPITCH .....................................CSANSARC ...................................... DSANTA ............................................ CSANTA CLARA .............................. CSANTA ISABEL ............................. DSANTA LUCIA ............................... CSANTA MARTA ............................. CSANTANELA, Alkali ...................... DSANTAQUIN .................................. ASANTAROSA. Flooded ................. BSANTEE .........................................D



SANTEETLAH ................................ BSANTIAGO, Moderate Perm ........ BSANTIAM ....................................... CSANTO ........................................... BSANTONI ....................................... DSANTOP ......................................... BSANTUC ......................................... CSANWELL ...................................... BSANYON ........................................ DSAPEHA ......................................... BSAPINERO, Cool ........................... BSAPKIN .......................................... CSAPPHO ......................................... BSARA .............................................. DSARAGOSA ................................... BSARAGOTE ................................... CSARAHSVILLE .............................. DSARAZAN ...................................... BSARBO ........................................... BSARCILLO ...................................... DSARDINIA ...................................... CSARDIS .......................................... CSARGEANT ................................... DSARILDA ........................................ CSARITA .......................................... ASARKAR ......................................... DSARNOSA ...................................... BSARTELL ....................................... ASARUCHE ...................................... DSASALAGUAN ............................... CSASPAMCO ................................... BSASSER ......................................... BSATAGO ......................................... DSATANKA ....................................... CSATATTON .................................... DSATELLITE .................................... CSATILLA ......................................... DSATIN ............................................. CSATSOP ......................................... BSATSUMA ...................................... CSATT .............................................. CSATURDAY .................................... BSATURN ......................................... BSAUCEL ......................................... DSAUCIER ....................................... CSAUCITO ....................................... DSAUCON ........................................ BSAUGATUCK ................................. CSAUGUS ........................................ BSAUK .............................................. BSAUM ............................................. BSAURIN .......................................... CSAUTER ......................................... BSAUVIE, Protected ........................ BSAUVIE, Moderately Wet .............. CSAUVIE .......................................... DSAUVOLA ...................................... CSAUXHEAD, Very Stony ............... DSAUZ .............................................. BSAVAGETON ................................. DSAVANNAH ................................... CSAVAR ........................................... BSAVENAC ...................................... CSAVO .............................................. CSAVOIA .......................................... BSAVONA ......................................... CSAW ................................................ BSAWABASH ............................... B/DSAWABE ........................................ DSAWATCH, Gravelly ................. B/DSAWBUCK, Shale Substratum ..... CSAWCREEK ................................... CSAWDUST ..................................... BSAWLIT .......................................... CSAWPEAK ...................................... BSAWTELL ....................................... CSAWTELPEAK ............................... DSAWTOWN .................................... CSAWYER ........................................ CSAX ................................................. DSAXON ........................................... CSAY ................................................. BSAYDAB ......................................... CSAYERS ......................................... ASAYLES ......................................... D

SAYNER ......................................... ASCALEROCK .................................CSCALLEY ....................................... BSCALPCREEK ............................... BSCAMMAN .....................................DSCANDARD ................................... CSCAPONIA ..................................... BSCAR .............................................. BSCAREDMAN ................................ BSCARFACE .................................... BSCARPER ...................................... CSCARUL ......................................... BSCATLAKE .................................... DSCATTERSVILLE .......................... DSCHAFER ...................................... DSCHAFFER .................................... CSCHALLER .................................... ASCHALOW ..................................... BSCHATTEL .................................... CSCHEINER ..................................... ASCHERRARD ................................DSCHIEFFLIN .................................. DSCHILLER ...................................... BSCHISLER ................................. C/DSCHLOMER ................................... CSCHNEBLY .................................... DSCHNOORSON, Drained ............. CSCHNORBUSH.............................. BSCHODSON................................... CSCHOER ........................................ CSCHOLTEN .................................... CSCHOODIC .................................... DSCHOOLCRAFT ............................ BSCHOOLER ................................... DSCHOOLEY ................................... DSCHOOLHOUSE ........................... DSCHOONER................................... DSCHRIEVER .................................. DSCHROCK ..................................... BSCHULENBURG ........................... BSCHULINE ..................................... BSCHUTZ ......................................... BSCHWACHEIM .............................. DSCHWALBE ................................... BSCIOTA .......................................... CSCIOTOVILLE ............................... CSCIPIO ...........................................DSCITICO .........................................CSCLOME ........................................ CSCOAP ........................................... BSCOBA ........................................... BSCOGGIN ...................................... DSCONSIN ....................................... BSCOTAL .........................................DSCOTCH ........................................ DSCOTCO ........................................ ASCOTMONT ................................... BSCOTT LAKE ................................. BSCOTTCAS .................................... BSCOTTSBURG .............................. CSCOTTSVILLE ............................... CSCRANTON ............................... A/DSCRIVER ....................................... BSCROGGIN .................................... CSCUFFE .........................................CSCUPPERNONG ........................... DSEABOARD ................................... BSEABROOK ................................... CSEAFIELD ...................................... BSEAFORTH .................................... BSEAGATE .................................. A/DSEAGOVILLE .................................DSEAGRAVES ................................. BSEALY ............................................ BSEAQUEST .................................... BSEAR .............................................. BSEARCH ......................................... BSEARCHLIGHT ............................. BSEARCY .........................................CSEARING ....................................... BSEARVAR ...................................... BSEASIDE ........................................ DSEATTLE ................................... C/DSEAVERSON .................................DSEAWILLOW ................................. B

SEBAGO ........................................ DSEBASTIAN ................................... DSEBASTOPOL ............................... CSEBBO ........................................... BSECCA ........................................... CSECHLER ...................................... BSECO ............................................. CSECONDCREEK ........................... DSECREPASS ................................. DSECREST ...................................... CSECRET CREEK ........................... BSECTION ....................................... BSED ................................................ CSEDALE ......................................... DSEDALIA ........................................ CSEDGEFIELD ................................ CSEDGWICK .................................... DSEDONA ........................................ DSEDROWOOLLEY ........................ CSEEBURG ...................................... ASEEDSKADEE ............................... DSEEG .............................................. BSEELEZ .......................................... ASEELOVERS ................................. CSEES .............................................. CSEEWEE ........................................ BSEFERINO ..................................... BSEGNO ........................................... CSEGUIN .......................................... BSEGUNDO ..................................... BSEHARNEY ................................... DSEHOME ........................................ CSEIS ................................................ CSEJITA ........................................... DSEKIL ............................................. BSEKIU ............................................. DSELBIT ........................................... BSELDEN ......................................... CSELDOVIA ..................................... BSELFRIDGE ................................... BSELIA ............................................. CSELLE ............................................ BSELLERS ................................... B/DSELMAN ......................................... BSELON ........................................... BSELOW ........................................... DSELTI .............................................. BSELWAY ......................................... BSEMIAHMOO ............................. C/DSEMINOLE ..................................... DSEMPER ........................................ CSEN ................................................ BSENACHWINE ............................... BSENGTOWN .................................. BSENLAR ......................................... CSENTINEL ...................................... BSEQUATCHIE ................................ BSEQUIM ......................................... ASEQUITE ........................................ DSEQUOIA ....................................... CSERDEN ......................................... ASEROCO ........................................ ASERPEN ......................................... CSERPENTANO .............................. BSERPOD ........................................ CSERRANO ...................................... DSESAME ......................................... CSESPE ............................................ CSESSIONS ..................................... BSESSUM ........................................ DSETILL ........................................... CSETNUM ........................................ CSETTERS ....................................... CSETTERS ....................................... DSETTLEMEYER ............................. BSEVAL ............................................ CSEVAR ........................................... CSEVENOAKS ................................. ASEVERN ......................................... BSEWANEE ..................................... BSEWELL ......................................... CSEYMOUR ..................................... CSEZNA ............................................ DSHAAK ........................................... CSHACK ........................................... B

SHADELEAF .................................. CSHADEVILLE ................................. BSHADILTO ..................................... DSHADOVAL .................................... DSHADY ........................................... BSHADYGROVE .............................. CSHADYPASS ................................. ASHAFFTON .................................... BSHAFTER ....................................... DSHAG ............................................. DSHAGNASTY ................................. CSHAKAMAK ................................... CSHAKAN ......................................... CSHAKESPEARE ............................ CSHAKOPEE ................................... CSHALAKE ....................................... CSHALBA ......................................... DSHALCLEAV .................................. DSHALONA ...................................... BSHALPER ....................................... DSHAM ............................................. DSHAMEL ......................................... BSHAMIZO ....................................... ASHAMOCK ..................................... CSHANDEP .................................. B/DSHANE ........................................... DSHANGHAI ................................ B/CSHANGLAND ................................. BSHANKBA ...................................... DSHANKLER .................................... ASHANKS ......................................... CSHANLEY ....................................... BSHANNONDALE ............................ CSHANTOWN .................................. ASHANTY ......................................... DSHAR ..............................................CSHARATIN ..................................... BSHARESNOUT .............................. CSHARLAND .................................... BSHARON ........................................ BSHARPS ......................................... CSHARPSHOOTER ......................... BSHARPTOWN ................................ CSHARROTT .................................... DSHARVANA ................................... CSHASER ......................................... BSHASKIT ........................................ CSHASTA ......................................... BSHASTACOSTA ............................ CSHASTINA ..................................... BSHATTA ......................................... CSHATTUCK .................................... BSHAVASH ...................................... CSHAVER ......................................... BSHAWA .......................................... CSHAWANO ..................................... ASHAWAVE ..................................... BSHAWMOUNT ............................... BSHAWTOWN .................................. BSHAYLA ......................................... DSHEBANG ...................................... DSHEBEON ...................................... CSHEDD ........................................... CSHEDDENBROOK ........................ ASHEEK ........................................... BSHEEPCAN ................................... BSHEEPSKIN ................................... BSHEFFLEIN ................................... BSHELBYVILLE ............................... BSHELD ............................................ BSHELLBLUFF ................................ BSHELLCREEK ............................... CSHELLDRAKE ............................... ASHELLROCK ................................. ASHELLWOOD ................................ BSHELTER ....................................... DSHELTON ...................................... CSHENA ........................................... DSHENANDOAH .............................. DSHENANGO ................................... CSHENON ........................................ BSHEP .............................................. BSHEPAN ......................................... CSHERAR ......................................... CSHERBURNE ................................. C



SHERLOCK ................................... BSHERM ........................................... DSHERMORE ................................... BSHERMOUNT ................................ DSHEROD ........................................ CSHERRY ..................................... B/DSHERRY, Stony ............................. DSHERRYL ...................................... BSHERVAL ....................................... CSHERWIN ...................................... DSHERWOOD .................................. BSHEVA ........................................... CSHEZA ............................................ CSHIAWASSEE ............................... CSHIELDS ........................................ CSHIFFER ........................................ BSHILLA ........................................... BSHILLING ....................................... BSHILLY ........................................... CSHIMA ............................................ CSHIMMON ...................................... CSHINAKU ....................................... DSHINANDO .................................... DSHINBONE .................................... BSHINDLER ..................................... CSHINER .......................................... CSHINGLEMILL ............................... DSHINGLETOWN ............................ BSHINGLETOWN ............................ CSHINKEE ........................................ CSHINNPEAK .................................. DSHIOYA .......................................... ASHIPLEY ........................................ CSHIPPA .......................................... DSHIPS ............................................. DSHIPSHE ........................................ BSHIRCLIFF ..................................... CSHIRED .......................................... DSHIRK ............................................. CSHIRLEY ........................................ BSHIRLEYBASIN ............................. BSHIRO ............................................ CSHIRTS .......................................... CSHIRTTAIL ..................................... BSHIVA ............................................. BSHIVLUM ....................................... BSHOAT ........................................... CSHOBA ........................................... DSHOBAN ........................................ BSHODDY ........................................ DSHOEBEND ................................... BSHOEGAME ................................... BSHOEMAKER ................................ BSHOEPAC ...................................... CSHOEPEG ...................................... CSHOHOLA ...................................... CSHOKEN ........................................ DSHONGO ........................................ CSHONKIN ....................................... DSHONTIK ....................................... CSHOOFLIN ..................................... DSHOOFLY ...................................... DSHOOKER ..................................... CSHORE ........................................... BSHOREEK ...................................... CSHORT CREEK ............................. CSHORTBREAD .............................. ASHORTCUT ................................... CSHORTHAIR .................................. DSHORTHORN ................................ DSHOSHONE ................................... CSHOTGUN ..................................... CSHOWALTER ................................ BSHOWLOW .................................... DSHREE ........................................... BSHREWDER .................................. BSHREWSBURY ......................... C/DSHROE ........................................... CSHROUTS ...................................... DSHROYTON ................................... ASHRUBCREEK .............................. BSHUBUTA ...................................... CSHUE .............................................. CSHUKSAN ...................................... CSHULE ............................................ C

SHULLSBURG ............................... CSHUMBEGAY ................................ BSHUMLA ......................................... CSHURLEY ...................................... ASHUSHUSKIN ................................ CSI .................................................... CSIBANNAC ..................................... DSIBELIA .......................................... BSIBLEY ........................................... BSIBLEYVILLE ................................. BSIBOLD .......................................... CSICKLES .................................... B/DSICKLESTEETS ............................ BSIEBERELL .................................... BSIEBERT ........................................ ASIECHE .......................................... CSIEGEL .......................................... BSIERRA .......................................... BSIERRAVILLE ................................ BSIERRAVISTA ............................... BSIESTA ........................................... DSIEVERS ........................................ CSIGBIRD ......................................... DSIKESTON ................................. B/DSILAWA .......................................... BSILCAT ........................................... DSILCOX .......................................... BSILENT ........................................... DSILER ............................................. BSILERTON ..................................... BSILESCA ........................................ CSILETZ ........................................... BSILEX ............................................. DSILHOUETTE ................................. BSILICO ............................................ DSILKIE ............................................ DSILSBEE ........................................ BSILSTID .......................................... ASILVA ............................................. CSILVER CREEK ............................. DSILVERBELL .................................. CSILVERCITY .................................. BSILVERDALE ................................. ASILVERHILL ................................... BSILVERHORN ................................ CSILVERKING .................................. BSILVERLAKE ................................. CSILVERN ........................................ ASILVERSTRIKE ............................. CSILVERTON ................................... CSIMANNI ........................................ BSIMCOE ......................................... CSIMEON ......................................... ASIMESCREEK ................................ ASIMITARQ ...................................... DSIMMONT ...................................... CSIMONA ......................................... DSIMONIN ........................................ BSIMPARK ....................................... DSIMPATICO ................................... BSIMPER .......................................... CSIMSFIELD .................................... CSINAMOX ....................................... BSINBAD .......................................... DSINCLAIR ....................................... CSINDION ........................................ BSINGERTON .................................. BSINGH ............................................ BSINGLETON .................................. DSINGLETREE ................................ CSINKER .......................................... CSINONA .......................................... BSINTON .......................................... BSINUK ............................................. DSION ............................................... BSIOUXCREEK ................................ CSIOUXON ....................................... BSIPAPU .......................................... DSIPHONCAN .................................. DSIPHONLAKE ................................ BSIPPLE ........................................... BSIPSEY .......................................... BSIRDRAK ....................................... ASIREN ............................................. CSIRREF .......................................... D

SIRRETTA ...................................... CSISKIYOU ...................................... BSISLEY ........................................... BSISSABAGAMA ............................. ASISSETON ..................................... BSITAR ............................................. BSITKA ............................................. BSIWASH ......................................... DSIWELL .......................................... CSIXES ............................................. BSIXMILE. Loamy ............................ BSIXMILE, Stony ............................. CSKAGEN ......................................... CSKAGIT .......................................... DSKAGWAY ..................................... CSKAMANIA ..................................... BSKAMO ........................................... CSKEEL ............................................ BSKEIN ............................................. DSKELIDA ........................................ BSKELLOCK .................................... BSKELTER ....................................... BSKELTON ....................................... BSKETERVILLE ............................... CSKIBO ............................................. BSKIDMORE .................................... BSKILAK ........................................... BSKIME ............................................ ASKINNER ....................................... BSKINWOOD ................................... BSKIPANON ..................................... BSKIPEAK ........................................ BSKIPOPA ........................................ DSKIYOU .......................................... BSKOKOMISH ............................. C/DSKOLY ............................................ BSKOOKER ...................................... BSKOOKUM ..................................... CSKOOKUMHOUSE ........................ BSKOVEN ......................................... DSKOWHEGAN ............................... BSKRANKA ...................................... BSKULL CREEK .............................. CSKULLGULCH ............................... CSKULLWAK .................................... DSKUNKFARM ................................. DSKYBERG ...................................... CSKYHAVEN .................................... CSKYHAWK ..................................... CSKYLIGHT ...................................... DSKYLINE ........................................ DSKYMOR ........................................ CSKYROCK ...................................... DSKYTOP ......................................... BSKYUKA ......................................... BSKYVIEW ....................................... CSLAB ..............................................DSLABTOWN ................................... BSLACREEK .................................... BSLACWATER ............................. B/DSLAPJACK ..................................... BSLATEGOAT .................................. BSLATERY ....................................... CSLATTER ....................................... DSLAUGHTER ................................. CSLAUGHTERVILLE ....................... BSLAWHA ........................................ CSLAYTON ....................................... DSLEEPER ....................................... CSLEETH ......................................... BSLICKEAR ...................................... BSLICKLOG ..................................... BSLICKPOO ..................................... BSLICKSPOTS ................................. DSLIDE ............................................. BSLIDECAMP .................................. CSLIDECREEK ................................ BSLIDELL ......................................... DSLIDYMTN ..................................... DSLIGHTS ........................................ CSLIMBUTTE ................................... BSLIMLAKE ...................................... BSLINGER ........................................ BSLOCAVE ...................................... DSLOCUM ........................................ C

SLOCUM, Moist ............................. DSLODUC .........................................DSLUICE .......................................... CSLUKA ............................................ CSLY ................................................. BSMACKOUT ................................... BSMALLCONE .................................DSMEDLEY ...................................... DSMELTER ...................................... CSMESTAD ...................................... CSMIDALE ........................................ BSMILEYVILLE ................................ DSMINA ............................................ CSMITH ............................................ BSMITHBORO .................................DSMITHDALE ................................... BSMITHLAND .............................. B/DSMITHNECK .............................. B/CSMITHTON .....................................DSMITHVILLE .................................. BSMITHWICK ................................... DSMOKEY ........................................ BSMOKYHILL ................................... CSMOLAN ........................................ CSMOTHERS ................................... CSMOUT ........................................... BSMYRNA .................................... B/DSNACREEK ................................... CSNAG ............................................. BSNAHOPISH .................................. BSNAKE ........................................... CSNAKEJOHN ................................. BSNAKELUM ................................... BSNAKER .........................................DSNAPEED ...................................... CSNAPILL ......................................... BSNAVEE ......................................... BSNEFFELS .....................................CSNELLBY ....................................... CSNELLMAN .................................... BSNETTISHAM ................................ DSNIDER .......................................... CSNIDERPEAK ................................ BSNILEC .......................................... BSNILLOC ........................................ BSNOOK ........................................... DSNOPOC ........................................ BSNOQUALMIE ............................... CSNOTOWN ..................................... BSNOWBRIER .................................CSNOWCREEK ................................ BSNOWDANCE, Moderately Wet ... CSNOWDANCE ............................... DSNOWDON .................................... CSNOWLAKE ................................... BSNOWPLOW .................................. BSNOWSHOE .................................. BSNOWVILLE .................................. DSOAKPAK ...................................... BSOAPCREEK .................................CSOBEGA ........................................ CSOBSON ........................................ CSOCAGEE ...................................... DSOCO ............................................. BSODA LAKE ................................... CSODABAY ...................................... BSODACREEK ................................. BSODASPRING ............................... BSODERVILLE ................................. ASOELBERG ................................... BSOEN ............................................. CSOFIA ............................................. CSOFTBACK .................................... BSOGI ............................................... CSOJOURN ...................................... DSOJUR ........................................... DSOKOLOF ...................................... ASOLARVIEW .................................. DSOLDATNA .................................... BSOLDIER ........................................ CSOLDIERCREEK ........................... BSOLDUC ......................................... BSOLIER .......................................... DSOLIS ............................................. CSOLITE ....................................... B/D



SOLITUDE ..................................... DSOLLEKS ....................................... CSOLLER ......................................... DSOLNESS ...................................... CSOLO .............................................. CSOLSBERRY ................................. CSOLVAY ......................................... DSOMA ............................................. DSOMBORDORO ............................ DSOMBRERO .................................. CSONAHNPIL .................................. BSONNETT ...................................... DSONOCAN ..................................... CSONOMA, Stratified Substratum .. DSONORA ........................................ BSONSELA ...................................... BSONTAG ........................................ DSONYOK ........................................ DSOO ............................................ C/DSOOLAKE ...................................... BSOONAHBE ................................... BSOONAKER ................................... CSOONER ........................................ BSOOPER ........................................ DSOOSAP ........................................ CSOPELA ......................................... DSOPER ........................................... CSOPERTON ................................... BSOPHER ........................................ CSOQUEL ......................................... BSORENSEN ................................... BSORF .............................................. CSORTER ......................................... DSORUM .......................................... DSOSA .............................................. CSOSTIEN ........................................ DSOUDAN ........................................ CSOURDOUGH ............................... BSOUTHAM ..................................... DSOUTHFORK ................................. DSOUTHGATE ................................. DSOUTHHAVEN .............................. BSOUTHMOUNT ............................. BSOUTHPAC ................................... BSOUTHPLAINS .............................. DSOUTHRIDGE ............................... BSOUTHWELLS .............................. ASOUTHWEST ............................ C/DSOUTIN .......................................... BSOWARD ....................................... BSOWCAN ....................................... CSPADE ........................................... BSPADRA ......................................... BSPAINHOWER............................... CSPANA ........................................... DSPANG ........................................... BSPANGLER .................................... CSPANPEAK .................................... BSPANTARA .................................... BSPARGUS ...................................... BSPARKS ......................................... CSPARTA ......................................... BSPASSKI ........................................ DSPEAKER, High Rainfall ............... BSPEAKER ...................................... CSPEAR ........................................... CSPEARHEAD ................................. BSPEARMAN ................................... BSPEARVILLE ................................. CSPECTACLE .................................. CSPECTER ...................................... CSPEED ........................................... CSPEEDWELL ................................. BSPEELYAI ...................................... DSPEER ........................................... BSPEIGLE ........................................ BSPELLACY ..................................... BSPELVIN ........................................ BSPERRY ..................................... C/DSPESSARD .................................... ASPEXARTH .................................... CSPICERTON .................................. DSPICEWOOD ................................. CSPICKERT ..................................... CSPIDERCREEK ......................... A/D

SPIKE ............................................. BSPILLCO ........................................ BSPILLER .........................................CSPILOCK ........................................ DSPILYAY ........................................ CSPINDLETOP ................................DSPIRES .......................................... BSPIRES .......................................... DSPIRO ............................................ BSPLANOD ...................................... DSPLAWN ........................................ CSPLENDORA .................................CSPLIT ..............................................CSPLITBUTTE .................................CSPLITROCK ................................... BSPLITTOP ...................................... CSPLOTTER .................................... DSPOKEL ......................................... BSPONIKER ..................................... BSPONIKER, Warm......................... CSPONSOR ..................................... BSPOOL ...........................................CSPOONER ................................. C/DSPOONERHILL ............................. ASPORLEY ...................................... BSPOT .......................................... A/DSPOTSYLVANIA ........................... CSPOTTEDHORSE ......................... CSPOTVILLE .................................... BSPRABAT ....................................... BSPRAUER ...................................... CSPRAY ........................................... BSPRECKELS .................................. CSPRING .......................................... CSPRINGCOVE ............................... CSPRINGCREEK ............................. CSPRINGERTON ......................... B/DSPRINGFIELD ............................... DSPRINGGULCH ............................. BSPRINGHILL .................................. BSPRINGHOLLOW .......................... CSPRINGLAKE ................................ ASPRINGSTEEN ............................. CSPRINGWARM .............................. CSPRINGWATER ............................CSPRINGWOOD .............................. BSPRINKLER ................................... CSPRIPAR ........................................ DSPROUL .........................................DSPRUCEDALE ............................... DSPUD ..............................................CSPUKWUSH................................... BSPUR .............................................. BSPURGER ...................................... CSPURLOCK ................................... BSQUALICUM .................................. BSQUALLY ....................................... BSQUAMSCOTT .............................. CSQUAWCAVE ................................ BSQUAWCREEK ............................. DSQUAWTIP .................................... CSQUAWVAL ................................... CSQUIRES ....................................... CSREDNIC ....................................... CST. ANDREWS .............................. CST. ANTHONY ............................... BST. AUGUSTINE ........................... BST. ELMO....................................... AST. HELENS .................................. BST. IGNACE ................................... DST. JOHNS .................................... DST. LUCIE ...................................... AST. MARTIN ................................... DST. NICHOLAS .............................. DST. ONGE ...................................... BST. PAUL ....................................... BST.MARYS ..................................... BSTABBART .................................... DSTABLER ....................................... BSTACHER ...................................... BSTACKER ...................................... BSTACKYARDS ............................... BSTACY ............................................ BSTAFFORD .................................... CSTAHL ............................................ C

STAINKY ........................................ BSTAKE ............................................ CSTALEY .......................................... BSTALLARD ..................................... DSTALLINGS ................................... CSTAMFORD ................................... DSTANDISH ..................................... CSTANDISH ..................................... DSTANDUP ...................................... BSTANEY ......................................... DSTANFLOW ................................... CSTANHOPE ................................... CSTANISLAUS ................................. CSTANISLAUS, Wet ........................ DSTANROD ...................................... CSTAPALOOP ................................. BSTARGULCH ................................. BSTARHOPE, Low Elevation .......... CSTARHOPE ................................... DSTARICHKOF ................................ DSTARKE ......................................... DSTARKEY ....................................... CSTARLAKE .................................... DSTARLITE ...................................... BSTARR ........................................... CSTARVEOUT ................................. BSTASER ......................................... BSTASH ............................................ DSTATE ............................................ BSTATELINE .................................... DSTATEMEADOW ........................... BSTATION ........................................ DSTATLER ....................................... BSTATZ ............................................ DSTAVELY ....................................... BSTAYTON ...................................... DSTEADMAN ................................... CSTEAMBOAT ................................. BSTEAMBURG ................................ BSTEARNS ...................................... DSTECOAH ...................................... BSTECUM ........................................ CSTEED ............................................ BSTEEDMAN ................................... CSTEEKEE ....................................... CSTEELE .......................................... CSTEESE ......................................... BSTEEVER ....................................... BSTEFF ............................................ CSTEGALL ....................................... CSTEILACOOM ................................ CSTEIN ............................................. CSTEINHATCHEE ....................... B/DSTEINSBURG ................................ BSTEIWER ....................................... CSTELLA .......................................... CSTEMLEY ....................................... CSTENGEL ................................... B/DSTEPHEN ...................................... CSTERLING ..................................... ASTERLINGTON ............................. BSTERRETT .................................... DSTETSON ...................................... BSTETTER ....................................... DSTEUBEN ...................................... BSTEVENSON ................................. BSTEVIE ........................................... BSTEWART ...................................... DSTICES .......................................... BSTIDHAM ....................................... BSTIEN ............................................. BSTIGLER ........................................ DSTILES ........................................... CSTILGAR ........................................ BSTILLWELL .................................... BSTILSKIN ....................................... CSTILSON ........................................ BSTIMSON ....................................... DSTINE ............................................. DSTINESVILLE ................................ BSTINGAL ........................................ BSTINGER ....................................... BSTINKCREEK ................................ DSTIPE ............................................. CSTIRUM .......................................... D

STIVERSVILLE .............................. BSTOCKDRIVE ................................ CSTOCKEL ....................................... DSTOCKHOLM ................................ CSTOCKLAND ................................. BSTOCKPEN ................................... DSTOHLMAN ................................... DSTOKES ......................................... DSTOKLY ......................................... BSTONEBERGER ........................... DSTONEBURG ................................ BSTONEHEAD ................................. CSTONEHILL ................................... CSTONELAKE .................................. ASTONER ......................................... BSTONEVILLE ................................. BSTONEWALL ................................. CSTONEWELL ................................. ASTONO ....................................... B/DSTONYBROOK .............................. BSTOOKMOOR ............................... CSTOPATOE .................................... CSTORMKING ................................. BSTORNETTA ................................. DSTOTT ............................................ CSTOUGH ........................................ CSTOVALL ....................................... BSTOVEPIPE ................................... DSTOVHO ........................................ CSTOWELL ...................................... DSTOY ..............................................CSTRABER ...................................... CSTRADDLEBUG ............................ CSTRAHLE ....................................... DSTRAIGHT ..................................... CSTRANDLINE ................................ BSTRANDQUIST ......................... B/DSTRAWBCREK .............................. BSTRAYHOSS ................................. BSTREATOR ................................ B/DSTRELL .......................................... DSTRELNA ....................................... CSTREULING ................................... DSTRICKER ..................................... BSTRICKLAND ................................ CSTRINGLEY ................................... BSTRINGTOWN............................... BSTRINGTOWN, Graded ................ CSTROLE ......................................... CSTROM ........................................... CSTROMAL ...................................... BSTRONGHOLD .............................. CSTRONGHURST ........................... BSTROUPE ...................................... CSTROUT ......................................... CSTROZI .......................................... CSTRUGGLE ................................... ASTRYKER ...................................... CSTU ................................................. CSTUBBS ......................................... CSTUBENVILLE ............................... BSTUCK ........................................... CSTUDEBAKER ............................... BSTUKEL, Cobbly ............................ BSTUKEL, Sandy ............................. CSTUKEL ......................................... DSTULTZ .......................................... CSTUMOUNT ................................... DSTUMPP ......................................... DSTUNTZ ......................................... CSTURGEON ................................... BSTURGES ...................................... DSTURGILL ...................................... DSTURKIE ........................................ BSTUTTGART .................................. DSTUTZMAN .................................... CSTUTZMAN, Wet ........................... DSTYERS ......................................... DSTYLITE ......................................... CSTYX .............................................. BSUAK ..............................................CSUBACO ........................................ DSUBLETTE, Elevation 7000-9000 ASUBLETTE ..................................... BSUBLIGNA ..................................... B



SUBRAN ......................................... CSUBWELL ...................................... BSUCARNOOCHEE ........................ DSUCCOR ........................................ DSUCHES ......................................... BSUCKERFLAT ............................... BSUDLEY ......................................... BSUDPEAK, Nonflooded ................. CSUDPEAK., Flooded ..................... DSUEPERT ...................................... CSUEY .............................................. BSUFFIELD ...................................... CSUFFOLK ....................................... BSUGAKOOL ................................... BSUGAR BEACH ............................. DSUGARBOWL ................................ BSUGARBUSH ................................ BSUGARCREEK .............................. CSUGARDEE ................................... BSUGARTOWN ............................... DSUGLO ........................................... BSUILOTEM ..................................... CSUISUN .......................................... DSUKOI ............................................ DSULA .............................................. BSULLIVAN ...................................... BSULOAF ......................................... BSULPHURA .................................... BSULPHURA .................................... DSULSAVAR .................................... BSULTZ ............................................ ASUMAN ....................................... B/DSUMATRA ...................................... BSUMAVA ........................................ BSUMMERFIELD ............................. DSUMMERFORD ............................. CSUMMERMUTE ............................. BSUMMERS ..................................... BSUMMERTON ................................ BSUMMIT ......................................... CSUMMITVILLE ............................... CSUMPF ........................................... DSUMPLEY ...................................... CSUMTERVILLE .............................. CSUMYA ........................................... DSUNBURG ..................................... BSUNBURY ...................................... BSUNCITY ........................................ DSUNCOOK ..................................... ASUND ............................................. CSUNDANCE ................................... BSUNDAY ......................................... ASUNEV ........................................... BSUNKEN ......................................... DSUNLIGHT ..................................... DSUNNY ........................................... CSUNNYHAY ................................... DSUNNYSIDE .................................. BSUNRAY ......................................... BSUNRIVER ..................................... CSUNSTROKE ................................. DSUNSWEET ................................... CSUNTRANA ................................... DSUP ................................................ BSUPOSO ........................................ CSUPPAH ......................................... ASUR ................................................ CSURFSIDE ..................................... DSURGEM ........................................ CSURPLUS ...................................... CSURRETT ...................................... CSURVEYORS ................................. BSURVYA ......................................... CSURYON ........................................ BSUSANNA .................................. C/DSUSANNABERG ........................... DSUSANVILLE ................................. DSUSIVAR ........................................ CSUSQUEHANNA ........................... DSUTA .............................................. BSUTHER ......................................... CSUTHERLAND, Gravelly ............... CSUTHERLAND ............................... DSUTHERLIN ................................... CSUTLEY ......................................... B

SUTPHEN ...................................... DSUTRO ........................................... CSUTTLE .......................................... ASUVER ........................................... DSVERDRUP ................................... BSWAFFORD ................................... CSWAGER........................................ CSWAHLEN ...................................... BSWAINTON .................................... BSWALECREEK .............................. BSWAMPCREEK ............................. DSWAMPOODLE ............................. CSWAMPYDRAW ............................ BSWAN ............................................. DSWANBERGER ............................. DSWANLAKE ................................... BSWANNER ..................................... DSWANPOND .................................. CSWANSON ..................................... CSWANTON ................................. C/DSWANTOWN .................................. DSWANWICK ................................... DSWARTZ ........................................ DSWAYNE ........................................ CSWEAGERT ................................... BSWEATBEE ................................... BSWEATBEE, Wet .......................... CSWEATMAN................................... CSWEDE .......................................... BSWEDEGROVE ......................... B/DSWEDEHEAVEN ........................... BSWEDESBORO ............................. BSWEDNA ........................................ DSWEETAPPLE ............................... BSWEETBRIAR ............................... BSWEETBUTTE............................... BSWEETGRASS .............................. BSWEETWATER ............................. DSWEITBERG .................................. CSWENSON ..................................... DSWIFT CREEK .............................. BSWIFTCURRENT .......................... BSWIFTON ....................................... BSWIMLEY ....................................... CSWIMS ........................................... BSWINK ............................................ DSWINOMISH .................................. CSWINT ............................................ BSWIPKIN ........................................ BSWISBOB ....................................... DSWISS ............................................ CSWISSVALE .................................. DSWITCHBACK ............................... CSWITZERLAND ............................. BSWORMVILLE ............................... CSWYGERT ..................................... CSYBIL ............................................. BSYBILLE ......................................... BSYBLON ......................................... DSYCAN ........................................... ASYCLE ............................................ BSYCREEK ...................................... CSYKES ............................................ BSYLACAUGA ................................. DSYLVA ........................................ B/DSYLVANIA ...................................... CSYLVANIAM ................................... CSYLVESTER .................................. BSYLVIA ........................................... CSYMCO .......................................... CSYNAREP ...................................... BSYRETT ......................................... BSYRUPCREEK .............................. CTABECHEDING ............................. CTABERNASH ................................. BTABLER ......................................... DTABLEROCK ................................. DTABOOSE ...................................... ATABOOSE, Gravelly Substratum . BTABOR ........................................... DTACHI ............................................. DTACODA ......................................... CTACOOSH .................................. B/DTADLOCK ...................................... BTAFFOM ......................................... B

TAFOYA ......................................... CTAFT ............................................... CTAFTOWN ...................................... BTAFUNA ......................................... ATAGUM ........................................... BTAGUS ........................................... BTAHKENITCH ................................ BTAHOULA ...................................... DTAHQUATS .................................... BTAINE ............................................. DTAINTOR .................................... C/DTAJO ..............................................CTAKOTNA ...................................... BTAKPOCHAO ................................. DTALAG ............................................ DTALANTE ....................................... DTALAPUS ....................................... BTALCO ............................................ DTALLA ............................................. CTALLADEGA .................................. CTALLCREEK .................................. BTALLEYVILLE ................................ BTALLOWBOX ................................. CTALLULA ........................................ BTALMAGE ...................................... BTALMAKS ....................................... BTALMOON ...................................... CTALMOON, Depressional ............. DTALOKA ......................................... DTALQUIN .................................... B/DTALUWIK ....................................... BTAMAHA ......................................... DTAMALCO ...................................... DTAMALPAIS ................................... CTAMARA ......................................... BTAMARACK ................................... BTAMARACKCANYON ................... CTAMARRON ................................... CTAMBA ........................................... DTAMELY ......................................... BTAMFLAT ....................................... DTAMFORD ...................................... DTAMIAMI ........................................ DTAMMANY ..................................... BTAMMING ...................................... BTAMP .............................................. BTAMRED ........................................ CTANACROSS ................................. DTANAHA ......................................... CTANAMA ......................................... DTANANA, Thawed ......................... BTANANA, Moderately Wet ............ CTANAZZA ....................................... BTANDY ........................................... DTANEUM ........................................ CTANGI ............................................. CTANGLE ......................................... CTANGLENOOK .............................. DTANKERVILLE ............................... CTANNAWASHA .............................. BTANNER ......................................... CTANNER, Low Rainfall .................. DTANOAN ......................................... BTANOB ........................................... BTANSEM ......................................... BTANTALUS .................................... ATANTILE ..................................... C/DTANWAX .................................... C/DTANYARD ...................................... CTAOPI ............................................. BTAPAWINGO ................................. CTAPICITOES .................................. DTAPPAN ..................................... B/DTARA .............................................. BTARAL ............................................ BTARHOLLOW ................................ CTARKIO .......................................... DTARLOC ......................................... BTARLTON ....................................... CTARNAV ......................................... BTARRETE ....................................... DTARRYALL ..................................... CTARRYTOWN ................................ CTASAJAL ........................................ BTASAYA ......................................... C

TASCOSA ...................................... BTASSELCREEK ............................. ATASSELMAN .................................DTASSI ............................................. DTASSO ........................................... BTATAI ............................................. CTATERPA ....................................... BTATLUM .........................................DTATOUCHE .................................... BTATTON .........................................DTAUMSAUK ................................... DTAUNCAL ....................................... CTAVER ............................................ DTAVERNIER ................................... DTAWAH ........................................... BTAWCAW ....................................... CTAYLOR CREEK ........................... CTAYLORSFLAT ............................. CTEAGARD ...................................... DTEAGO ........................................... ATEAGULF ....................................... CTEAKEAN ....................................... BTEALSON ....................................... DTEALWHIT .....................................DTEAMONT ...................................... DTEARNEY ...................................... DTEASDALE .................................... BTEBAY ............................................ BTEBO .............................................. BTECHICK ........................................ BTECHICKNOT ................................ BTECKLA ......................................... BTECO .............................................. BTECOPA .........................................DTECTAH ......................................... BTECUMSEH ................................... BTECZUNI ........................................ CTEDDY ........................................... CTEEBAR .........................................DTEEBONE ...................................... CTEEDOWN ..................................... BTEEGARDEN .................................CTEEMAT ......................................... BTEETERS, Protected .................... CTEETERS ....................................... DTEFTON .........................................CTEHRAN ......................................... ATEIGEN .......................................... CTEJA ............................................... DTEJABE .......................................... DTEJANA .......................................... BTEKAPO .........................................DTEKENINK ..................................... BTEKISON ........................................ CTEKLANIKA ................................... ATEKOA ........................................... BTELA ............................................... BTELAQUANA ................................. BTELAY ............................................ BTELCHER ....................................... BTELECAN ....................................... BTELEFONO .................................... CTELEMON ...................................... DTELESCOPE .................................. ATELFAIR .........................................CTELFERNER .................................. DTELL ............................................... BTELLER .......................................... BTELLICO ........................................ BTEMBLOR ...................................... DTEMDILLE ...................................... ATEMESCAL .................................... DTEMVIK .......................................... BTENAHA ......................................... BTENAS ............................................ CTENDOY .........................................DTENEB ............................................ DTENEX ............................................ BTENINO .......................................... CTENMILE ........................................ CTENNCO ........................................ CTENNECO ...................................... BTENOT ........................................... CTENPIN .......................................... DTENRAG ......................................... B



TENSAS ......................................... DTENSED ......................................... CTENSLEEP .................................... BTENVORRD ................................... DTENWALTER ................................. CTENWELL ...................................... CTEOCULLI ...................................... BTEQUESTA ................................ B/DTERADA ......................................... BTERBIES ........................................ BTERCA ........................................... DTERESA ......................................... DTERLINGUA ................................... DTERMO ........................................... DTEROMOTE ................................... BTEROUGE ...................................... DTERRA CEIA .............................. B/DTERRABELLA ................................ DTERRACECREEK ......................... CTERRAD ......................................... CTERRAROSSA .............................. DTERRETON .................................... CTERRO ........................................... BTERT .............................................. DTESSFIVE ...................................... DTETHEROW ................................... ATETILLA ......................................... BTETLIN ........................................... DTETONIA ........................................ BTETONVILLE, Gravelly ................. CTETONVILLE ................................. DTETOTUM ...................................... CTEVAL ............................................ BTEVIS ............................................. BTEWFEL ......................................... CTEX ................................................. BTEXANA ......................................... DTEXASCREEK ............................... BTEXLA ............................................ DTEXLINE ........................................ BTEXROY ......................................... BTHADER ......................................... CTHAGE ........................................... CTHATCHERFLATS ........................ DTHAYNE ......................................... BTHEBES ......................................... BTHEBO ........................................... DTHEECAN ...................................... CTHENARROWS ............................. DTHENAS ......................................... CTHENIPEL ...................................... BTHEODOR ..................................... DTHERESA ...................................... CTHERMO ........................................ DTHETFORD .................................... ATHETIS ........................................... BTHIBAUT ........................................ DTHIEFRIVER .............................. B/DTHIKE ............................................. DTHIMBLE ........................................ CTHIRST ........................................... DTHIRSTYGULCH ........................... DTHISTLEBURN .............................. BTHISTLEDEW ................................ BTHOENY ......................................... DTHOMAS .................................... B/DTHOMASFORK .............................. CTHOMHILL ..................................... BTHOMS ........................................... DTHOR ............................................. BTHORN ........................................... DTHORNCREEK .............................. CTHORNDALE ................................. DTHORNOCK ................................... DTHORNTON ................................... DTHOUT, Gravelly Surface ............. BTHOUT ........................................... CTHOW ............................................. BTHRASH ......................................... BTHREADGILL ................................. BTHREEBEAR ................................. CTHREEBUCK ................................. CTHREECHOP ................................. BTHREECREEKS ............................ CTHREEFORKS............................... B

THREEK .........................................CTHREEMILE ................................... BTHREERIV .....................................DTHREETREES ............................... BTHRIFTON .....................................CTHROCKMORTON ........................ BTHULEPAH .................................... CTHUNDER ...................................... BTHUNDERBAY .............................. DTHUNDEREGG.............................. CTHURBER ...................................... DTHURLONI .....................................CTHURLOW ..................................... BTHWOOP ....................................... CTIAGOS .......................................... BTIAK ................................................ CTIBBCREEK ................................... CTIBBITTS ........................................ BTIBKEY ........................................... BTIBURONES .................................. DTICANOT ........................................ DTICELL ...........................................DTICESKA ........................................ CTICONIC ......................................... ATIDERISHI .....................................CTIDEWATER .................................. DTIDINGS ......................................... BTIEFORT ........................................ BTIERRANEGRA ............................. BTIESIDE .........................................DTIETON .......................................... BTIEVILLE ........................................ DTIFF ................................................ CTIFFANY ........................................ CTIFTON ........................................... BTIGER CREEK ............................... BTIGIT ..............................................CTIGIWON ........................................ BTIGON ............................................ DTILDEN ........................................... BTILK ................................................ ATILLEDA ......................................... BTILLICUM ....................................... BTILLMAN ........................................ DTILLMONT...................................... BTILLOU ...........................................CTILMA ............................................. CTILSIT ............................................. CTILTON ........................................... BTILVERN ........................................ DTIMBALIER .................................... DTIMBERBUTTE .............................. BTIMBERG ....................................... CTIMBERHEAD ................................ BTIMBERLY ..................................... BTIMBLIN .........................................DTIMBUCTOO .................................. CTIMGULCH .................................... DTIMHILL .......................................... DTIMHUS .......................................... BTIMKEN .......................................... DTIMMERCREK ............................... BTIMMONS ...................................... BTIMOR ............................................ ATIMPAHUTE .................................. DTIMPER .......................................... DTIMPIE ...........................................CTIMULA .......................................... BTINA................................................ CTINAJA ........................................... BTINAJA, Cool .................................CTINAMOU ....................................... CTINCAN .......................................... DTINCUP .......................................... BTINDAHAY ..................................... ATINE................................................ BTINEMAHA ..................................... BTINEMAN ....................................... CTINIAN ............................................ CTINKER .......................................... CTINN ...............................................DTINNIN ........................................... ATINPAN .......................................... DTINT ................................................ ATINTERO ........................................ B

TINTON .......................................... ATINTSON ........................................ ATINYTOWN .................................... BTIOGA ............................................ BTIONESTA ..................................... ATIPLER ........................................... BTIPNAT ........................................... BTIPPAH .......................................... CTIPPECANOE ................................ BTIPPER .......................................... CTIPPIPAH ....................................... BTIPPO ............................................. CTIPSAW .......................................... CTIPTON .......................................... BTIPTONVILLE ................................ BTIPTOP ........................................... BTIRO ............................................... CTIROD ............................................ BTISBURY ........................................ BTISDALE ........................................ CTISHAR .......................................... BTISMID ........................................... CTISONIA ......................................... DTITCHENAL ................................... BTITIACK .......................................... BTITUSVILLE ................................... CTIVOLI ............................................ ATIVY ................................................ CTOA ................................................ BTOADLAKE .................................... BTOADLENA .................................... DTOBA .............................................. BTOBINSPORT ................................ BTOBOSA ......................................... BTOBY .............................................. BTOCALOMA ................................... CTOCAN ........................................... BTOCCOA ........................................ BTOCITO .......................................... BTOCK .............................................. CTOCOI ........................................ B/DTODACHEENE .............................. BTODDSTAV .................................... DTODDVILLE ................................... BTODOS ........................................... CTOECANE ...................................... BTOEFOOT ...................................... BTOGCHA ........................................ BTOGUS ........................................... DTOHATIN ........................................ BTOHOBIT ....................................... CTOIMI .............................................. CTOINE ............................................. BTOISNOT ................................... B/DTOISNOT, Ponded ........................ DTOKAY ........................................... BTOKEEN ......................................... CTOKIO ............................................ BTOKLAT .......................................... DTOKO ............................................. CTOKOSITNA .................................. BTOKUL ............................................ CTOLANY ......................................... BTOLER ............................................ CTOLFORK ...................................... BTOLICHA ........................................ DTOLIUS .......................................... BTOLKE ............................................ BTOLLGATE .................................... BTOLMAN ......................................... CTOLNA ............................................ BTOLONIER ..................................... BTOLOVANA .................................... BTOLSONA ...................................... DTOLUCA ......................................... BTOMAHAWK .................................. ATOMALES ...................................... DTOMARIZO .................................... DTOMASAKI ..................................... CTOMAST ......................................... CTOMBEALL .................................... DTOMEK ........................................... BTOMERA ........................................ CTOMERA, Cemented Substratum DTOMODO ....................................... B

TOMOKA .................................... B/DTOMOTLEY ............................... B/DTOMS ............................................. CTOMSHERRY ................................ CTOMTY ........................................... DTONATA ......................................... DTONEY ........................................... DTONIO ............................................ BTONKAVAR ................................... ATONKAWA ..................................... ATONKIN .......................................... BTONKIN, Moderately Wet ............. CTONKS ........................................... CTONOR ........................................... BTONOWEK ..................................... BTONRA ........................................... BTONSINA ....................................... BTONUCO ........................................ DTOOLES ..................................... B/DTOOLESBORO .............................. BTOONE ........................................... BTOOTERVILLE .............................. DTOPAWA ........................................ BTOPAWA, Very Gravelly ............... CTOPEMAN ...................................... DTOPETAUL .................................... CTOPIA ............................................. DTOPKNOT ...................................... DTOPO ............................................. DTOPOCK ........................................ DTOPPENISH .............................. C/DTOPPER ......................................... BTOPSEY ......................................... CTOQUIMA ....................................... CTOREX ........................................... BTORHUNTA ................................... CTORNEY ......................................... DTORNILLO ..................................... BTORNING ....................................... BTORODA ........................................ BTORONTO ..................................... CTOROX ........................................... BTORPEDO LAKE ........................... DTORREON ..................................... DTORRES ......................................... ATORRY ....................................... B/DTORULL ......................................... DTOSP .............................................. BTOTAVI ........................................... BTOTEM ........................................... BTOTIER .......................................... CTOTNESS ...................................... DTOTO .......................................... B/DTOTTEN ..................................... C/DTOTTLES ....................................... CTOTZ ..............................................DTOUCHET ...................................... CTOULA ............................................ CTOURN ........................................... CTOURNQUIST ............................... BTOUTLE ......................................... BTOWAVE ........................................ BTOWERVILLE ................................ BTOWNSEND .................................. CTOWNSHIP .................................... BTOWOSAHGY ............................... BTOXAWAY ................................. B/DTOY ................................................ DTOZE .............................................. BTRACE ........................................... BTRACK ....................................... C/DTRACKLER .................................... CTRACOSA ...................................... DTRACTUFF .................................... DTRACYLEE .................................... BTRADELAKE .................................. CTRAER ....................................... B/DTRAHAM ........................................ CTRAHERN ...................................... DTRAIL ............................................. BTRAILAMP ..................................... DTRAILCREEK ................................. CTRAILHEAD ................................... BTRAINER ........................................ BTRAITORS ..................................... D



TRALEY ......................................... BTRAMWAY ..................................... BTRANSFER .................................... DTRANSQUAKING .......................... DTRANSYLVANIA ............................ BTRAPPER ...................................... BTRAPPERCREEK .......................... BTRASK ............................................ CTRAUNIK ........................................ BTRAVER ......................................... BTRAVERTINE ................................ CTRAVILAH ...................................... CTRAZUNI ........................................ BTREATY ..................................... B/DTREBLOC ...................................... DTREBOR ......................................... CTREEBUTTE .................................. DTREEKOR, nonstony .................... CTREEKOR ...................................... DTREEN ........................................... DTREFRY ......................................... BTREGO ........................................... CTREGONING ................................. CTREHARNE ................................... CTRELONA, Moist ........................... CTRELONA ...................................... DTREMBLES .................................... CTREMENTINA ................................ BTREMONA ..................................... CTREMONT ...................................... BTREMPE ......................................... ATREMPEALEAU ............................ BTRENHOLM ................................... DTRENTON ...................................... CTREOFF ......................................... DTREON ........................................... DTREP .............................................. BTRESTLE ....................................... BTRETTEN ....................................... BTREVLAC ....................................... BTREY .............................................. ATRIANGLE ..................................... DTRIBBEY ........................................ CTRICART ........................................ BTRICERA ........................................ ATRICON .......................................... CTRID, Nonstony ............................. BTRID ............................................... CTRIGGER ....................................... DTRIGO ............................................ DTRIMMER ....................................... CTRIMONT ....................................... BTRINIDAD ...................................... DTRIO ............................................... DTRIOMAS ....................................... BTRIPIT ............................................ CTRIPLEN ........................................ BTRIPLETT ...................................... DTRIPOLI ..................................... B/DTRISTAN ........................................ BTRITON .......................................... DTRIVAR .......................................... BTRIX ................................................ CTROMP ........................................... CTRONSON ..................................... BTROOK ........................................... CTROSKY ..................................... B/DTROUP ........................................... ATROUTER ...................................... CTROUTLAKE .................................. BTROUTMEADOWS ........................ BTROVE ........................................... BTRUCKEE .................................. B/CTRUEFISSURE .............................. BTRUHOY ........................................ DTRULAE ......................................... DTRUMBULL .................................... DTRUMP ........................................... DTRUSCREEK ................................. BTRUSSUM .................................. C/DTRUXTON ...................................... BTSADAKA ....................................... BTSALI .............................................. CTSANA ............................................ BTSAYA ............................................ D

TSCHAMMAN ................................ DTSCHICOMA .................................. BTSEBITAI ....................................... BTSETTA .......................................... ATSIRKU .......................................... CTUCANNON ................................... CTUCES ........................................... DTUCKAHOE ................................... BTUCKERDOWNS .......................... BTUCSON ........................................ BTUCSON, saline-Alkali .................. CTUCUMCARI .................................. BTUFFIT ........................................... CTUFON ........................................... BTUGAS ........................................... ATUKEY ............................................ CTUKUHNIK ..................................... CTUKWILA ................................... C/DTULANA, Moderately Drained ...... CTULANA ..................................... B/DTULARGO ...................................... BTULAROSA .................................... BTULCH ............................................ BTULE .............................................. CTULEBASIN ................................... DTULECAN ....................................... CTULIA ............................................. BTULIK ............................................. BTULIP ............................................. CTULLAHASSEE ............................. CTULLOCK, Dry ............................... ATULLOCK, Warm ........................... BTUMARION .................................... DTUMBLETON ................................. CTUNAWEE ..................................... CTUNEHILL ...................................... DTUNELCREEK ............................... BTUNIS ............................................. DTUNITCHA ..................................... BTUNKCREEK ................................. ATUNNEL ......................................... BTUOMI ............................................ BTUPELO ......................................... DTUPPER ......................................... ATUPUKNUK ................................... DTUQUE ........................................... BTURBA ........................................... DTURCOTTE .................................... BTURIST ........................................... DTURK .............................................. CTURKEY ......................................... ATURKEYSPRINGS ........................ BTURKEYTRACK ............................ CTURLIN ........................................... BTURLOCK ...................................... DTURMOUND .................................. DTURNBACK ................................... CTURNBULL .................................... DTURNERCREST ............................ BTURON ........................................... ATURRAH ......................................... CTURRET ......................................... BTURRIA .......................................... CTURZO ........................................... CTUSCARAWAS .............................. CTUSCAWILLA ................................ DTUSCOSSO ................................... BTUSCUMBIA .................................. DTUSIP ............................................. BTUSLER ......................................... ATUSLER ......................................... BTUSSY ............................................ DTUSTELL ........................................ CTUSUNE ......................................... CTUTE .............................................. BTUTKA ............................................ DTUTNI ............................................. BTUTNI, Loamy Substratum ........... CTUTTLE .......................................... CTUTUILLA ...................................... CTUTWILER ..................................... BTUWEEP ........................................ BTUXEKAN ...................................... BTUZIGOOT ..................................... CTWEBA, Modeately Wet ............... B

TWEBA, Drained ........................... CTWEEDY ........................................ CTWELVEMILE ................................ BTWENTY DAY ................................ BTWICK ............................................ DTWIG ..............................................DTWINBUTTES ................................ ATWINING ........................................ CTWINMOUND ................................ ATWISSELMAN ............................... CTWOBUTTE ................................... BTWOCABIN .................................... BTWOMILE ................................... C/DTWOTOP ........................................ DTYBO ..............................................DTYDEN ........................................... DTYEE ..............................................DTYENDE ......................................... BTYGH ..............................................CTYLER ............................................ DTYLERPEAK .................................. BTYMOSLING .................................. CTYNDALL ................................... B/CTYNER ........................................... ATYONEK ......................................... DTYRE .......................................... A/DTYSON ........................................... BUANA ..............................................DUBANK ........................................... DUBAR ..............................................DUBEHEBE ...................................... CUCHEE ........................................... AUCOPIA .......................................... BUDAHO ........................................... BUDARENTS ................................... BUDECIDE, Cobbly ......................... BUDECIDE ....................................... CUDEL ..............................................DUDELOPE, Bouldery ..................... BUDELOPE ...................................... DUDIPSAMMENTS, Flooded .......... AUGAK ............................................. DUHL ................................................. BUHLAND ......................................... BUHLORN, Cool .............................. BUHLORN ........................................ CULA ................................................. CULANDO ......................................... BULHALF .......................................... BULLOA ............................................ BULMET ........................................... CULRANT ......................................... BULRIC ............................................. CULTO .............................................. BULTRA ............................................ DULTRAMONT ................................. BULUPALAKUA ............................... BULY ................................................. BUMA ................................................ AUMAPINE ................................... C/DUMATILLA ...................................... BUMBARG ........................................ BUMIAT ............................................ DUMPA ............................................. BUMPUMP ........................................ BUMTANUM ..................................... CUNAKA ........................................... BUNAKWIK ....................................... DUNCAS ........................................... DUNCOMPAHGRE .......................... DUNDERWOOD ............................... BUNDUSK ........................................ BUNGENE ........................................ AUNICOI ........................................... CUNICORN ....................................... BUNION ............................................ CUNIONGROVE........................... B/DUNIONVILLE .................................. BUNIQUE .......................................... BUNIUS ............................................ DUNIVEGA ....................................... DUNIVERSITY .................................. AUNKEE ........................................... BUNLIC ............................................. BUNSON ........................................... B

UPCREEK ...................................... CUPDEGRAFF ................................. BUPSATA ......................................... BUPSEL ............................................ AUPSON ........................................... CUPSTEER ...................................... BURBANA .........................................CURBO ............................................. DURBODEN ..................................... BUREAL ............................................ DURGESTEIN .................................. BURICH ........................................ C/DURIPNES, Gravelly ....................... CURIPNES ....................................... DURLAND .........................................CURMAFOT ...................................... DURSA ..............................................CURSINE .......................................... DURWIL ............................................ CUSAL, Gravelly .............................. BUSAL ..............................................CUSEFUL .........................................CUSINE ............................................. AUSKABWANKA .............................. AUSTARENTS, Loamy .................... BUSTIBUCK .....................................DUSTIDUR ....................................... DUSTORTHENTS, Sandy ............... AUTALINE ........................................ CUTE ................................................. DUTLEY ............................................ BUTUADO ........................................ BUTURIN ...................................... C/DUVADA Loamy Surface ................. CUVALDE ......................................... BUVER .............................................. AUWALA ........................................... BUWELL ........................................... CUZANEVA ...................................... DVABBING ....................................... BVABEM ........................................... CVADAHO ........................................ DVADER ........................................... BVAEDA ........................................... DVAIDEN .......................................... DVAILTON ........................................ BVALBY ............................................ CVALCO ........................................... CVALCREEK .................................... BVALCREST .................................... CVALDOSTA .................................... AVALE .............................................. BVALENA .........................................DVALENCIA, Saline, Flooded ......... CVALERA .........................................CVALHALLA ..................................... AVALKARIA .................................. B/DVALKARIA, Deppressional ........... DVALLAN .......................................... DVALLE ............................................ BVALLEONO .................................... BVALLERS ....................................... DVALLETTA ..................................... BVALLEYCITY .................................DVALMAR .........................................CVALMONT ...................................... CVALPAC .........................................CVALTON ......................................... BVALTON, Severely Eroded ........... CVALVERDE .................................... BVAMER ........................................... BVAMONT ........................................ DVAN HORN .................................... BVANBRUNT, Warm ....................... BVANBRUNT ................................... CVANCE ........................................... CVANCECREEK .......................... B/DVANDAMINE .................................. BVANDAMME ................................... BVANDAMORE ................................ BVANDERBILT ................................. BVANDERBILT, Moderaterly Wet .. CVANDERGRIFT ............................. CVANDERPOOL .............................. BVANEPPS ...................................... C



VANGOE ........................................ CVANGUARD ................................... CVANLUE ......................................... CVANMETER ................................... CVANNOY ........................................ CVANOCKER ................................... BVANOSS ......................................... BVANPETTEN .................................. BVANSICKLE ................................... DVANSTEL ....................................... BVANWYPER ................................... DVANZANDT .................................... CVANZILE ........................................ BVAQUERO ..................................... DVARELUM ...................................... BVARELUM, Clay Loam SubstratumCVARGAS ......................................... CVARICK .......................................... DVARRO ........................................... BVARWASH ..................................... AVARYSBURG ................................. BVASA .............................................. BVASSETT ....................................... BVASTINE, Map>16 ........................ BVASTINE ........................................ DVAUGHAN ...................................... DVAUGHNSVILLE ........................... CVAYAS ............................................ DVEAL .............................................. BVEATCH ......................................... CVECONT ......................................... CVEEDUM ........................................ DVEGA ALTA ................................... BVEGA BAJA ................................... CVELASCO ...................................... DVELDA ............................................ BVELDKAMP .................................... BVELOW ........................................... BVENA .............................................. CVENAGRO ..................................... BVENAPASS .................................... DVENATOR, Channery ................... BVENATOR ...................................... CVENETA ......................................... DVENEZIA ........................................ DVENICE .......................................... CVENLO ....................................... A/DVENNOB ........................................ DVENSON ........................................ BVENSORA ...................................... CVENUM ........................................... DVERBOORT ................................... DVERCLIFF ...................................... CVERDEL ......................................... DVERDIGRE .................................... CVERDUN ........................................ DVERENDRYE ............................. B/DVERGENNES ................................. CVERHART ...................................... BVERICK .......................................... CVERIDGE ....................................... BVERJELES ..................................... DVERLOT ......................................... DVERMILLION ................................. CVERNADO ...................................... DVERNAL ......................................... BVERNDALE .................................... BVERNIA .......................................... AVERNONIA .................................... BVERO ............................................. DVERSHAL ....................................... DVERSON ........................................ CVERSTOVIA ................................... DVERTEL ......................................... DVERTINE ........................................ DVERTREES .................................... BVESEY ............................................ BVESPER ......................................... DVESTA ............................................ BVETAGRANDE .............................. BVETEADO ...................................... CVIA .................................................. BVIAN ............................................... BVIBLE ............................................. A

VIBO ............................................... BVIBORAS ....................................... DVICK ...............................................CVICKSBURG .................................. BVICTORVILLE ................................ BVICTORY ....................................... BVICU ...............................................CVIDA ............................................... BVIDAURI .........................................DVIDRINE .........................................DVIEJA ..............................................DVIENNA .......................................... BVIEQUES ....................................... BVIEWPOINT ................................... DVIGAR ............................................ CVIGIA ..............................................DVIGILANTE .................................... CVIGNOLO ....................................... CVIGO ...............................................CVILLA .............................................. BVILLARD ........................................ DVILLEDRY ...................................... CVILLEGREEN .................................CVILLMEAGHER ............................. CVILLSPRINGS ............................... CVILLY .......................................... B/DVILOT ............................................. CVIMVILLE ....................................... DVINCOM .........................................CVINDICATOR .................................DVINEGARROON ............................CVINELAND ..................................... AVINELAND, Wet ............................ BVINGO ............................................ BVINITA ............................................ CVINLAND ........................................ DVINSAD .......................................... CVINSON .......................................... BVINTON .......................................... AVIOLA ............................................. DVIPONT .......................................... CVIRDEN ...................................... B/DVIRGIN RIVER............................... CVIRKULA ........................................ CVIRTUE .......................................... CVISE................................................ BVISTA ............................................. BVISTULA ........................................ AVITERBO ........................................ DVITRINA ......................................... BVITROFF ........................................ BVITZTHUM .....................................DVIUM ...............................................DVIVES ............................................. BVIVI ................................................. BVIVIAN ............................................ BVIXEN ............................................. BVIZCAINO ...................................... DVIZCAPOINT .................................. DVIZCAYA ........................................ DVLASATY ....................................... CVOCA ............................................. CVOCK ............................................. DVODA ............................................. CVODERMAIER ............................... BVOELKER ...................................... BVOIGHT .......................................... BVOLADORA ................................... BVOLASH ......................................... BVOLCO ...........................................DVOLENTE ....................................... CVOLINIA ......................................... BVOLLMER ...................................... CVOLMONT ...................................... BVOLNEY ......................................... BVOLSTEAD .................................... BVONALF ......................................... BVONASON ..................................... BVONDERGREEN ........................... CVOORHIES .................................... CVOSSET ......................................... BVOTAW .......................................... BVOYAGER ...................................... BVULCAN .........................................CVYCKYL .........................................D

WAAS ............................................. BWABANICA .................................... CWABASSO ..................................... DWABEDO ........................................ CWABUN ...................................... A/DWACAHOOTA ................................ DWACCASASSA .............................. DWADDINGTON .............................. AWADDOUPS .................................. BWADECREEK ................................ CWADELL ......................................... BWADENILL ..................................... BWADESPRINGS ............................ CWADLEIGH .................................... DWADLEY ........................................ AWADMALAW .................................. DWADSWORTH ............................... CWAELDER ...................................... BWAFLA ........................................... BWAGNER ....................................... DWAGONBED .................................. BWAGONBOW ................................. DWAGONBOX .................................. DWAGONHOUND ............................ BWAGONJACKET ........................... CWAGONTIRE ................................. DWAGONTOWN .............................. BWAGORE ....................................... BWAGRAM ....................................... AWAGSTAFF ................................... CWAHEE .......................................... DWAHGUYHE .................................. DWAHIAWA ...................................... BWAHKEENA ................................... BWAHLSTEN ................................... CWAHLUKE ...................................... BWAHOO .......................................... DWAHPETON ................................... CWAHREKDAM ............................... CWAHSTAL ...................................... DWAHTUM ....................................... DWAHWEAP .................................... DWAI HONU ..................................... BWAIALEALE ................................... DWAIAWA ......................................... DWAIHUNA ...................................... DWAIKALOA .................................... BWAIKANE ....................................... BWAIKAPU ....................................... BWAIKOMO ...................................... DWAILUKU ....................................... BWAINEE ......................................... BWAINOLA ....................................... BWAIPAHU ....................................... CWAITS ............................................ BWAITSFIELD .................................. BWAKAMO ....................................... CWAKE ............................................. DWAKEEN ........................................ BWAKELEY ...................................... DWAKEMAN ..................................... CWAKENDA ..................................... BWAKEPISH .................................... BWAKETICKEH ............................... DWAKEVILLE ................................... BWAKITA .......................................... DWAKONDA ..................................... BWAKONDA, Till Substratum- ........ CWAKULLA ...................................... AWALBERT ...................................... CWALCO .......................................... BWALCOTT ...................................... BWALDECK ...................................... CWALDEN ........................................ DWALDO .......................................... DWALDORF ................................. C/DWALDROUP ................................... DWALKERSVILLE ........................... BWALKINSHAW............................... DWALKON ........................................ CWALKOVER ................................... BWALL .............................................. BWALLKILL .................................. B/DWALLOWA ..................................... CWALLROCK ................................... C

WALLUSKI ..................................... CWALNETT ...................................... CWALNUT ........................................ BWALONG ........................................ BWALPOLE ...................................... CWALREES ...................................... BWALSEY ......................................... BWALTERS ...................................... BWALTHAM ..................................... DWALUM .......................................... BWALVAN ........................................ BWALVILLE ...................................... BWAMBA ...................................... C/DWAMBOLT ..................................... BWAMEGO ....................................... CWAMIC ........................................... BWAMPEE ........................................ CWAMPOO ....................................... CWAMPSVILLE ................................ BWANAGAN ..................................... BWANDO .......................................... AWANETTA ...................................... BWANILLA ........................................ CWANNACOTT ................................ BWANOGA, Elevation>4000 ........... AWANOGA ....................................... BWANOMIE ...................................... CWANSER, Drained ........................ BWAPAHANI .................................... CWAPAL ........................................... BWAPELLO ...................................... BWAPI ..............................................DWAPINITIA ..................................... BWAPITI ........................................... AWAPPINGER ................................. BWAPPO .......................................... DWAPSHILLA ................................... BWAPTUS ........................................ CWARDA .......................................... BWARDBAY ..................................... BWARDBORO .................................. AWARDELL ...................................... CWARDWELL ................................... CWARE ............................................. BWAREAGLE ................................... BWARHORSE .................................. DWARM SPRINGS .......................... DWARMAN ................................... A/DWARMINSTER............................... CWARNOCK ..................................... BWARNUT ........................................ DWARRENTON ................................ DWARRIOR ...................................... BWARROAD ..................................... CWARSING ...................................... BWARWICK ...................................... AWASA ............................................. DWASDA ...................................... B/DWASHINGTON .............................. CWASHPASS ................................... BWASKISH ....................................... DWASKOM ....................................... CWASNOT ........................................ CWASSON ........................................ DWATAB ........................................... CWATAHALA ................................... AWATAUGA ..................................... BWATCHABOB ................................ CWATCHES ..................................... BWATERFALL .................................. DWATERFLAT ................................. CWATERFORD ................................ BWATERGATE ................................ BWATERTOWN ............................... BWATHENA ..................................... BWATKINS ....................................... BWATNE ........................................... BWATONGA ..................................... DWATONY ........................................ AWATOOPAH .................................. BWATROUS ..................................... CWATSEKA ...................................... BWATSONIA .................................... DWATTON ........................................ CWATUSI .......................................... C



WAUBERG ..................................... DWAUCHULA ............................... B/DWAUCHULA, Depressional .......... DWAUCOBA ..................................... DWAUCONDA .................................. BWAUKENA ..................................... DWAUKENABO ............................ B/DWAULD ........................................... CWAURIKA ....................................... DWAUTOMA ................................. B/DWAVELAND ............................... B/DWAVELAND ................................... DWAWAKA ....................................... BWAWASEE ..................................... BWAWINA ........................................ AWAX ................................................ CWAXPOOL ..................................... DWAYCUP ........................................ BWAYLAND .................................. C/DWAYMET ........................................ BWAYMOR ....................................... BWEA ................................................ AWEALTHWOOD ......................... A/DWEASH .......................................... CWEATHERFORD ........................... BWEATHERWAX ............................. DWEAVER ........................................ CWEAVERVILLE .............................. BWEBB ............................................. CWEBBRIDGE ................................. BWEBBTOWN .................................. CWEBFOOT ..................................... CWEBILE .......................................... CWECHECH ..................................... DWEDDERBURN ............................. BWEDGE .......................................... AWEDGEMONT ............................... BWEEDING ...................................... DWEEDMARK .................................. BWEEDPATCH ................................ CWEEDZUNIT .................................. BWEEKIWACHEE ............................ DWEEKS ........................................... CWEENA .......................................... DWEEPAH ........................................ CWEESATCHE ................................ BWEETOWN .................................... BWEEZWEED .................................. BWEGERT ........................................ AWEGLIKE ....................................... AWEIDER ......................................... BWEINBACH .................................... CWEIR .............................................. DWEIRMAN ...................................... DWEISBURG .................................... CWEISSENFELS ............................. CWEITAS .......................................... BWEITCHPEC .................................. CWELAKA ......................................... AWELCH ........................................... BWELCHLAND ................................. BWELCOME ..................................... BWELDA ........................................... CWELEETKA .................................... DWELLESLEY .................................. BWELLIE .......................................... AWELLINGTON ............................... DWELLMAN ...................................... BWELLROCK ................................... BWELLS ........................................... BWELLSBENCH .............................. BWELLSCREEK ............................... BWELLSDAM ................................... CWELLSED ...................................... CWELLSFORD ................................. DWELOY ........................................... CWELSUM ........................................ DWELTER ......................................... DWEMPLE ........................................ BWENAS ...................................... C/DWENATCHEE ................................ CWENDANE ................................. B/CWENDELL ...................................... CWENGLER ..................................... AWENONAH ..................................... B

WENOTA ........................................ DWENZEL ......................................... BWEOGUFKA .................................. CWEOTT ........................................... DWEPO ............................................. CWERELD ........................................ BWERITO ......................................... CWERNOCK ..................................... BWESFIL .......................................... DWESIX ............................................ DWESKA ........................................... DWESLEY ......................................... BWESPAC, Sandy Substratum AlkaliCWESPAC, Alkali ............................. DWESSEL ......................................... CWESTBEND ................................... BWESTBORO .................................. DWESTBROOK ................................ DWESTBUTTE ................................. BWESTERVILLE .............................. BWESTFORK ................................... DWESTGATE ................................... CWESTINDIAN ................................. CWESTLAKE, Thin Surface ............ CWESTLAKE .................................... DWESTMION .................................... DWESTMORE .................................. CWESTOLA ...................................... BWESTON ........................................ DWESTOVER ................................... BWESTPHALIA ................................ BWESTPLAIN .................................. DWESTPORT ................................... AWESTPORT, Thin Surface ........... BWESTSHORE ................................ DWESTSIDE .................................... CWESTSUM ..................................... DWESTVACO ................................... CWESTVIEW .................................... BWESTVILLE ................................... BWESTWEGO .................................. DWESWIND ...................................... CWESWOOD .................................... BWETA ............................................. DWETBETH ...................................... CWETHEY .................................... A/CWETHEY ........................................ CWETSAW ....................................... CWETTERDON ................................ BWETZEL ......................................... DWEWELA........................................ BWEWOKA ....................................... CWEYANOKE................................... CWEYERS .................................... C/DWEYMOUTH .................................. BWHAKANA ..................................... BWHALESHEAD .............................. BWHALEY ........................................ DWHATCOM .................................... CWHATELY ...................................... DWHEATBELT ................................. DWHEATON ..................................... BWHEATWOOD ............................... BWHEELER ...................................... BWHEELERPEK .............................. DWHEELERVILLE ........................... BWHEELON, Cool ........................... BWHEELON ..................................... DWHEELRIDGE ............................... AWHEELS ........................................ DWHERRY........................................ DWHETSOON .................................. CWHETSTONE ................................ CWHICHMAN ................................... BWHIDBEY ....................................... CWHILPHANG ................................. DWHIPP ............................................ DWHIPPANY .................................... CWHISK ............................................ DWHISKEY ....................................... BWHISKEYCREEK .......................... CWHISKLAKE .................................. CWHISPERING ................................ CWHISTLE ....................................... B

WHITE STORE .............................. DWHITE SWAN ................................ DWHITEARTH .................................. CWHITEBIRD ................................... DWHITECAP .................................... DWHITECLOUD ............................... BWHITEDEER .................................. BWHITEFACE .................................. DWHITEFIELD ................................. DWHITEFORD ................................. BWHITEHALL ................................... BWHITEHORN ................................. DWHITEHORSE ............................... BWHITEKNOB ................................. BWHITEMARSH........................... C/DWHITEOAK .................................... BWHITEPEAK .................................. DWHITEPINE ................................... DWHITERIVER ................................. CWHITEROCK ................................. DWHITESBORO............................... CWHITESBURG ............................... CWHITESIDE ................................... BWHITESON .................................... DWHITETHORN ............................... BWHITEWATER............................... DWHITEWOOD, Nonflooded ...... B/DWHITEWOOD ............................ C/DWHITEWRIGHT ............................. CWHITEYE ....................................... DWHITING ........................................ BWHITINGER ................................... CWHITLEY ....................................... BWHITNEY ....................................... CWHITSON ...................................... DWHITTEMORE........................... C/DWHITVIN ........................................ DWHITWELL .................................... CWHORLED ..................................... CWICHITA ........................................ CWICKAHONEY............................... DWICKENBURG .............................. DWICKERSHAM .............................. BWICKETT ....................................... CWICKIUP ........................................ CWICKSBURG ................................. BWICKWARE ................................... BWICUP ............................................ CWIDEN ............................................ CWIDOWSPRING ............................ BWIERGATE .................................... DWIFFO ............................................ BWIFTON ......................................... BWIGTON ......................................... AWILAHA .......................................... BWILBANKS ..................................... DWILBUR .......................................... BWILCO ............................................ CWILCOX ......................................... DWILCOXSON ................................. CWILDALE ........................................ CWILDCAT ....................................... DWILDER .......................................... AWILDGEN ....................................... BWILDHILL ....................................... CWILDHORSE ................................. AWILDMESA .................................... CWILDORS ....................................... CWILDROSE .................................... CWILE ............................................... CWILHOIT ........................................ BWILKESON .................................... BWILL ........................................... B/DWILLABY ........................................ CWILLAKENZIE ............................... CWILLAMETTE ................................ CWILLANCH ..................................... DWILLAPA ........................................ CWILLARD ....................................... BWILLETTE .................................. A/DWILLHILL ....................................... CWILLHO .......................................... DWILLIAMSBURG ........................... BWILLIAMSPORT ............................ CWILLIAMSTOWN ........................... C

WILLIAMSVILLE ............................ CWILLIMAN .................................. B/DWILLISTON .................................... CWILLOSIPPI ................................... CWILLOW CREEK ........................... BWILLOWDALE ............................... BWILLOWFORK ............................... DWILLSPRINGS .............................. CWILLYNAT ..................................... BWILMA ............................................ CWILMER .........................................CWILMONT ...................................... BWILMONTON ................................. BWILPAR .......................................... CWILPOINT ...................................... DWILSALL ........................................ DWILSHIRE ...................................... AWILSON .........................................DWILSONGULCH ............................ BWILSONVILLE ............................... DWILSOR ......................................... BWILSPRING ................................... CWILST ............................................. CWILT ............................................... BWILTON .......................................... BWIMPEY .........................................CWINADA .........................................CWINBERRY .................................... CWINBLOW ...................................... CWINCHUCK .................................... CWIND RIVER .................................. BWINDCOAT .................................... DWINDCOMB ................................... DWINDEGO ...................................... BWINDER .........................................DWINDERE ...................................... BWINDERNOT ................................. BWINDICREEK ................................ AWINDLASS .................................... CWINDMILL ...................................... BWINDRY .........................................DWINDTHORST ............................... CWINDWHISTLE ............................. BWINDYBUTTE ............................... BWINDYHOLLOW ........................... CWINDYPOINT ................................ BWINEDALE .................................... DWINEG ........................................... BWINEGAR ...................................... CWINEVADA .................................... CWINFALL ........................................ BWINFIELD ...................................... BWING ..............................................DWINGATE ....................................... BWINGDALE .................................... DWINGINA ........................................ BWINGINAW .................................... DWINGROCK ................................... BWINGVILLE .................................... DWINKLEMAN .................................DWINKLER ....................................... BWINKLO .........................................CWINLER .......................................... DWINLO ............................................ DWINN ..............................................CWINNEBAGO ................................. BWINNEMUCCA .............................. CWINNETT ....................................... CWINNETT ....................................... DWINNIPEG ..................................... BWINNSBORO .................................CWINOM ........................................... DWINOOSKI ..................................... BWINOPEE ...................................... BWINRIDGE .....................................DWINSAND ...................................... BWINSTON ...................................... BWINT ..............................................DWINTERCANYON ......................... CWINTERIM .....................................CWINTERMUTE ............................... CWINTERS ....................................... CWINTERSBURG ............................ BWINTERSET .................................. CWINTLEY ....................................... B



WINTON ......................................... CWINTONER .................................... BWINU .............................................. CWINWELL ....................................... CWISBEY .......................................... BWISBY ............................................ BWISCOW ........................................ DWISCOY ......................................... CWISE .............................................. CWISEMAN ...................................... AWISFLAT ........................................ DWISHARD ...................................... CWISHBONE .................................... BWISHEYLU .................................... CWISHKAH ................................... C/DWISKAN ......................................... CWISKISPRINGS ............................. DWISNER ..................................... B/DWISTER .......................................... CWISTONA ....................................... BWITCHER ....................................... BWITHAM ......................................... DWITHEE .......................................... CWITHERBEE .............................. A/DWITHERELL ................................... DWITHERS ....................................... CWITTEN .......................................... DWITTENBERG ............................... BWIVILLE ......................................... BWIX ................................................. CWIXOM ........................................... BWIZARD ......................................... CWOCKLEY ..................................... CWOCKUM ....................................... BWODA ............................................ DWODAVAR ..................................... DWODEN .......................................... BWODOMONT ................................. DWODSKOW ................................ B/CWOHLY .......................................... BWOLCO .......................................... CWOLDALE .................................. C/DWOLFCREEK ................................ BWOLFER ........................................ BWOLFESON ................................... CWOLFESON, Wet .......................... DWOLFEY ........................................ CWOLFPEAK ................................... BWOLFPEN ...................................... AWOLFTEVER ................................. CWOLFVAR ...................................... BWOLLARD ...................................... CWOLLENT ...................................... DWOLOT .......................................... BWOLVERTON ................................ BWOMACK ....................................... CWOODBECK .................................. BWOODBINE ................................... BWOODBURN .................................. CWOODBURY .................................. DWOODCANYON ............................ CWOODCHOPPER .......................... BWOODCUTTER ............................. DWOODCUTTERS, Stony ............... BWOODFORD .................................. DWOODHURST ............................... CWOODIN ........................................ CWOODINGTON .......................... B/DWOODINVILLE .......................... C/DWOODLAWN ................................. BWOODLEAF ................................... CWOODLY........................................ BWOODMANSIE .............................. BWOODMERE ................................. BWOODMONT ................................. CWOODPASS .................................. BWOODROCK ................................. CWOODS .......................................... DWOODSFIELD ............................... CWOODSIDE ................................... BWOODSLAKE ................................ DWOODSON .................................... DWOODSPOINT .............................. BWOODSTOCK ............................... DWOODTEX ..................................... D

WOODVILLE .................................. DWOODWARD ................................. BWOODWEST .................................DWOOFUS ....................................... CWOOLLY ........................................ BWOOLPER .....................................CWOOLSEY ..................................... BWOOLSTALF ................................. BWOOLSTED ................................... BWOOLWICH ................................... BWOONSOCKET ............................. BWORCESTER ................................CWORFSTONE ................................CWORKMAN .................................... CWORLAND .....................................CWORLEY ........................................ DWORMCREEK ............................... BWORMET ....................................... BWORMSER .................................... CWORSHAM .................................... DWORSWICK ................................... CWORTHENTON ............................. DWORTMAN .................................... AWORWOOD ................................... CWOVOKA ....................................... DWRANGELL ................................... DWRAYHA ........................................ CWRAYS .......................................... BWREDAH........................................ BWREFORD .....................................DWRENCOE .....................................DWRENGART .................................. CWRENMAN .................................... CWRENTHAM .................................. CWRIGHTMAN .................................CWRIGHTSBORO ........................... CWRIGHTSVILLE ............................DWRIGHTWOOD ............................. BWUKOKI ......................................... BWUKSI ............................................ AWULFERT ...................................... DWUNABUNA .............................. C/DWUNJEY ........................................ BWUPATKI ....................................... DWURTSMITH ................................. AWUTCHUMNA ............................... DWYALUSING .................................. DWYANDOTTE ................................DWYANT ...........................................CWYARD .......................................... BWYARNO ....................................... BWYATT ...........................................CWYCOLO........................................ CWYEAST ........................................ DWYECREEK ................................... BWYETH ........................................... BWYEVILLE .....................................CWYICK ............................................ DWYKOFF ........................................ BWYLO ............................................. DWYNHOFF, Moist .......................... BWYNHOFF .....................................CWYNN ............................................. BWYNNVILLE .................................. CWYNONA ....................................... CWYNOOSE .....................................DWYNTOON ..................................... BWYOMINGCREEK......................... CWYOTITE ....................................... BWYRICK ......................................... BWYSOCKING ............................. C/DWYVA ............................................. DXANA .............................................. BXANADU ......................................... BXANKEY ......................................... BXAVIER .......................................... BXERTA ............................................ CXERXES .........................................DXICA ...............................................CXINE ...............................................CXIPE................................................ DXMAN ............................................. DXOBOBO ........................................ BYABAMAR ...................................... DYACHATS ...................................... B

YAD ................................................ DYAGGY, Protected ........................ BYAGGY ........................................... CYAHANA ......................................... DYAHARA ......................................... CYAHMORE ..................................... BYAHNE ........................................... CYAHOO ........................................... DYAINAX .......................................... BYAKOBI .......................................... DYAKUS ........................................... DYAKUTAT ....................................... AYALELAKE ..................................... BYALESVILLE .................................. CYALLANI ......................................... BYAMHILL ........................................ CYAMSAY ......................................... DYANA .............................................. BYANCY ........................................... DYANKEE ......................................... DYANKEEFORK............................... BYANKTON ...................................... BYAP ................................................. BYAPOAH ......................................... AYAQUI ............................................ BYAQUICAN .................................... DYAQUINA ................................... C/DYATA .............................................. CYATAHONEY ................................. CYATAHONEY, Stony ..................... DYATAMA ......................................... BYATES ............................................ DYAUCO ........................................... CYAUHANNAH ................................. BYAUPON ........................................ DYAWHEE ........................................ BYAWKEY ........................................ BYAWKOLA ...................................... CYAXING .......................................... BYEAGER ......................................... AYEARIAN ........................................ DYEARY ........................................... CYEATON ......................................... CYECROSS ...................................... AYEDLICK ........................................ BYEGUAS ......................................... CYELLOW HORSE .......................... DYELLOWBANK .............................. DYELLOWBAY ................................. BYELLOWDOG ................................ AYELLOWHILLS .............................. BYELLOWLARK ............................... CYELLOWMULE .............................. CYELLOWRIVER ............................. BYELLOWROCK .............................. BYELLOWSTONE ............................ DYELLOWWASH ............................. DYELM .............................................. CYELTON ......................................... CYENNICK ....................................... BYENSUS ......................................... BYEOPIM .......................................... BYERBA ........................................... DYERINGTON .................................. AYESUM ........................................... BYIGO ............................................... BYIKES ............................................. AYLIG ................................................ CYNOT .............................................. BYOAKRAN ...................................... AYOCHUM ........................................ CYODAL ........................................... BYODER ........................................... BYODY ............................................. CYOGAVILLE ................................... DYOHN ............................................. BYOKAYO ........................................ DYOKUT ........................................... BYOLLABOLLY ................................ DYOLOGO ........................................ DYOMONT ........................................ BYONCALLA .................................... CYONNA ........................................... DYORBA ........................................... DYOREL ........................................... B

YORK ............................................. CYORKSHIRE .................................. CYORKTOWN .................................. DYORKTREE ................................... CYOSEMITE ..................................... BYOST .......................................... C/DYOTES ........................................... BYOUGA, Sandy Substratum ......... DYOUJAY ......................................... DYOUMAN ........................................ CYOUNGSTON, Wet ....................... CYOURAME ..................................... BYOUTLKUE .................................... BYOVIMPA ....................................... DYPSI ................................................ CYRIBARREN .................................. DYTURBIDE ..................................... AYTURRIA ........................................ AYUCCA ........................................... BYUKON ........................................... DYUNES ........................................... DYURM ............................................. DYUTAN ........................................... BYUTRUE ......................................... DYUZARRA ...................................... BZAAR ..............................................DZABA .............................................. BZABOROSKY ................................. BZACA ..............................................DZACHARY ...................................... CZADE ..............................................CZADOG ....................................... A/DZADVAR ......................................... DZAFOD ........................................... BZAGG ............................................. CZAIDY ............................................. CZAKME ........................................... DZALCO ............................................ AZALEA ............................................ BZALESKA ....................................... DZALLA ............................................. AZALVIDEA ...................................... BZAMORA ........................................ BZANBUR ......................................... BZANE .............................................. BZANGO ........................................... DZAPA ..............................................CZAPATA .......................................... CZAQUA ........................................... DZARK ..............................................CZASTER ......................................... CZAU ................................................. CZAVALA .......................................... BZAVCO ........................................... CZAYANTE ....................................... AZBART ............................................ DZEALE ............................................ BZEB ................................................. BZEE ................................................. BZEEBAR ......................................... BZEEGEE ......................................... DZEEKA ............................................ CZEELAND ....................................... CZEELNOT ....................................... BZEEMAL ......................................... DZEGRO ........................................... CZEIBRIGHT .................................... BZEKIAH .......................................... DZELA ............................................... DZELDA ............................................ DZENDA ........................................... CZENIFF ........................................... BZENITH ........................................... BZENOBIA ........................................ BZENORIA ....................................... CZEOMONT ..................................... AZEPH ..............................................DZEPHYR ......................................... DZEPOL ............................................ BZERKEL ......................................... BZERKER ......................................... BZEUGIRDOR .................................. BZIBATE ........................................... DZIBETOD ........................................ DZIEGENFUSS ................................ D



ZIEGLER ........................................ CZIGGY ............................................ BZILABOY ........................................ DZILLAH ....................................... C/DZILWAUKEE .................................. DZIMMER ......................................... DZIMWALA ....................................... CZING ............................................... CZIPPEL ....................................... B/DZIRAM ............................................ DZITA ................................................ BZITTAU ........................................... CZITZIANA ....................................... BZOAR .............................................. CZOATE ............................................ DZODA .............................................. CZOE ................................................ DZOLFO ............................................ CZOMAX ........................................... BZONO ............................................. AZORRA ........................................... DZOZOBRA ...................................... BZUBER ........................................... CZUFELT .......................................... CZULCH ............................................ DZUMAN. Protected .................... C/DZUMAN ........................................... DZUMBRO ........................................ AZUMMO .......................................... DZUNALEI ........................................ BZUNDELL ....................................... CZUNHALL ....................................... CZUNI, Gravelly ............................... CZUNI ............................................... DZUNIVEN ........................................ BZUNKER ......................................... BZWAGG .......................................... BZWICKER ....................................... CZWIEFEL ........................................ CZWINGLE ....................................... DZYMER ........................................... BZYNBAR ......................................... BZYNBAR Till Substratum .............. CZYPLAR ......................................... DZYZYL ............................................ BZYZZI .............................................. DZYZZUG ......................................... D

B–1(210-VI-TR-55, Second Ed., June 1986)

Appendix B: Synthetic Rainfall Distributions and RainfallAppendix B Synthetic Rainfall Distributions andRainfall Data Sources

The highest peak discharges from small watersheds inthe United States are usually caused by intense, briefrainfalls that may occur as distinct events or as part ofa longer storm. These intense rainstorms do not usu-ally extended over a large area and intensities varygreatly. One common practice in rainfall-runoff analy-sis is to develop a synthetic rainfall distribution to usein lieu of actual storm events. This distribution in-cludes maximum rainfall intensities for the selecteddesign frequency arranged in a sequence that is criticalfor producing peak runoff.

Synthetic rainfall distributions

The length of the most intense rainfall period contrib-uting to the peak runoff rate is related to the time ofconcentration (Tc) for the watershed. In a hydrographcreated with NRCS procedures, the duration of rainfallthat directly contributes to the peak is about 170percent of the Tc. For example, the most intense 8.5-minute rainfall period would contribute to the peakdischarge for a watershed with a Tc of 5 minutes. Themost intense 8.5-hour period would contribute to thepeak for a watershed with a 5-hour Tc.

Different rainfall distributions can be developed foreach of these watersheds to emphasize the criticalrainfall duration for the peak discharges. However, toavoid the use of a different set of rainfall intensities foreach drainage area size, a set of synthetic rainfalldistributions having “nested” rainfall intensities wasdeveloped. The set “maximizes” the rainfall intensitiesby incorporating selected short duration intensitieswithin those needed for longer durations at the sameprobability level.

For the size of the drainage areas for which NRCSusually provides assistance, a storm period of 24 hourswas chosen the synthetic rainfall distributions. The 24-hour storm, while longer than that needed to deter-mine peaks for these drainage areas, is appropriate fordetermining runoff volumes. Therefore, a single stormduration and associated synthetic rainfall distributioncan be used to represent not only the peak dischargesbut also the runoff volumes for a range of drainagearea sizes.

The intensity of rainfall varies considerably during astorm as well as geographic regions. To representvarious regions of the United States, NRCS developedfour synthetic 24-hour rainfall distributions (I, IA, II,and III) from available National Weather Service(NWS) duration-frequency data (Hershfield 1061;Frederick et al., 1977) or local storm data. Type IA isthe least intense and type II the most intense shortduration rainfall. The four distributions are shown infigure B-1, and figure B-2 shows their approximategeographic boundaries.

Types I and IA represent the Pacific maritime climatewith wet winters and dry summers. Type III representsGulf of Mexico and Atlantic coastal areas where tropi-cal storms bring large 24-hour rainfall amounts. TypeII represents the rest of the country. For more precisedistribution boundaries in a state having more thanone type, contact the NRCS State Conservation Engi-neer.

0 3 6 9 12 15 18 21 24

1.0

0.5

0.0

IA

I

II

III

Time (hours)F

rac

tio

n o

f2

4-h

ou

r ra

infa

ll

Figure B-1 SCS 24-hour rainfall distributions

Appendix B: Synthetic Rainfall Distributions and Rainfall

B–2 (210-VI-TR-55, Second Ed., June 1986)

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Type I

Type IA

Type II

Type IIIIII

III

III

I

IA

II

III

Rainfall

Distribution

Figure B-2 Approximate geographic boundaries for NRCS (SCS) rainfall distributions

Rainfall data sourcesThis section lists the most current 24-hour rainfall datapublished by the National Weather Service (NWS) forvarious parts of the country. Because NWS TechnicalPaper 40 (TP-40) is out of print, the 24-hour rainfallmaps for areas east of the 105th meridian are includedhere as figures B-3 through B-8. For the area generallywest of the 105th meridian, TP-40 has been supersededby NOAA Atlas 2, the Precipitation-Frequency Atlas ofthe Western United States, published by the NationalOcean and Atmospheric Administration.

East of 105th meridian

Hershfield, D.M. 1961. Rainfall frequency atlas of theUnited States for durations from 30 minutes to 24hours and return periods from 1 to 100 years. U.S.Dept. Commerce, Weather Bur. Tech. Pap. No. 40.Washington, DC. 155 p.

West of 105th meridian

Miller, J.F., R.H. Frederick, and R.J. Tracey. 1973.Precipitation-frequency atlas of the Western UnitedStates. Vol. I Montana; Vol. II, Wyoming; Vol III, Colo-rado; Vol. IV, New Mexico; Vol V, Idaho; Vol. VI, Utah;Vol. VII, Nevada; Vol. VIII, Arizona; Vol. IX, Washing-ton; Vol. X, Oregon; Vol. XI, California. U.S. Dept. of

Commerce, National Weather Service, NOAA Atlas 2.Silver Spring, MD.

Alaska

Miller, John F. 1963. Probable maximum precipitationand rainfall-frequency data for Alaska for areas to 400square miles, durations to 24 hours and return periodsfrom 1 to 100 years. U.S. Dept. of Commerce, WeatherBur. Tech. Pap. No. 47. Washington, DC. 69 p.

Hawaii

Weather Bureau. 1962. Rainfall-frequency atlas of theHawaiian Islands for areas to 200 square miles, dura-tions to 24 hours and return periods from 1 to 100years. U.S. Dept. Commerce, Weather Bur. Tech. Pap.No. 43. Washington, DC. 60 p.

Puerto Rico and Virgin Islands

Weather Bureau. 1961. Generalized estimates of prob-able maximum precipitation and rainfall-frequencydata for Puerto Rico and Virgin Islands for areas to 400square miles, durations to 24 hours, and return periodsfrom 1 to 100 years. U.S. Dept. Commerce, WeatherBur. Tech. Pap. No. 42. Washington, DC. 94 P.


Appendix B: Synthetic Rainfall Distributions and RainfallFigure B-3 Two-year, 24-hr rainfall

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0 200 600 Mi

Rainfall iso-line

Rainfall iso-line half unit

Rainfall iso-line (depression)

Albers Equal Area Projection

400

2-Year 24-Hour Rainfall (inches)

1.5

2.0

2.53.0

3.5

4.0 4.5

5.05.5 6.0

6.05.5

5.0

4.55.5

6.06.05.5

5.0

5.0

5.0

4.54.0

4.0

3.5

3.0

2.5

3.0

3.5

4.03.5

5.0

2.0

2.0

2.0

2.5

3.0

3.5

4.0

4.5

2.0USE NOAA ATLAS 2 MAPS FOR

WESTERN STATES

Figure B-4 5-year, 24-hour rainfall

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0 200 600 Mi

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400

5–Year 24–Hour Rainfall (inches)

USE NOAA ATLAS 2 MAPS FOR

WESTERN STATES

7

6.5

6

6.57

7.58

6.5

65.5

5

4.5

4.55

4.55

4

4 3.5

3

2.5

2.5

2.5

3

2.5

3

3.5

4

4.5

3

5

5.5

6

6.57

2.5

56

33.5

44.5

5

5.56

6.5

77.5

8 8.5

8.5 87.5

7




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25-Year 24- Hour Rainfall (inches)

7

8

67

66.5

6

6

8.5

9

10

11

11

1099

810

101112

11

10

98

7

65

4

3.5

43.5

3.5

4

3.5

3.55

6

7

8

9

7 89

4

5


WESTERN STATES


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3

3.5

45

6

7

8

910

109

87

8

8

9

9

6

7

5

4

3.5

5

6

6

67

3

3

3.5

3

3


WESTERN STATES

3.5

4

5

6

7

8



Appendix B: Synthetic Rainfall Distributions and RainfallFigure B-7 50-year, 24-hour rainfall

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400



WESTERN STATES

6

6

7

5

4.5

6

7

8

9

10

11

78 8

910

10

1112

11

10

10

10

11

12

13

1211

109

8

7654.5

43.5

5

4.54

4

4.5

5

4

7

89


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8

9

76

5

4

10

11

12 13

1415

15 1413

12

1111

13

14

1413

12

11

11

1110

9

8

7

6

5

7

8

89

89

10

5

6

5 7

8

9

10

11

12

54

13

4

4

400

10


WESTERN STATES

12

C–1(210-VI-TR-55, Second Ed., June 1986)

Appendix C Computer Program

The TR-55 procedures have been incorporated in acomputer program. The program, written in BASIC,requires less than 256K memory to operate and wasdeveloped for MS-DOS operating system. Users of theprogram, however, still need to be familiar with theprocedures in this TR. Features of the program includethe following:

• The full screen (24 lines, 80 columns) is used toenter data. Flexibility of coding allows movementabout the screen for quick data modifications.

• Function keys provide menu power to differentmodules (TR-55 chapters) within the program.Some keys are permanently defined while othersvary by module.

• Help screens provide pertinent information to theprogram. Two types of information are included:(1) define system operation and (2) describe inputparameters.

• User files provide for optional entry of local data,such as rainfall-frequency. graphic peak dischargeequation coefficients, and tabular hydrographs forother rainfall distributions.

Copies of the program can be obtained from—

National Technical Information ServiceU.S. Department of Commerce5285 Port Royal RoadSpringfield, VA 22161Telephone (703) 487-4650

C–2 (210-VI-TR-55, Second Ed., June 1986)

D–1(210-VI-TR-55, Second Ed., June 1986)

Appendix D Worksheets

This appendix contains seven worksheets that can bereproduced for use with chapters 2 through 6. There isno worksheet for chapter 1.

Chapter Worksheet2 23 34 45 5a, 5b6 6a, 6b

D–2 (210-VI-TR-55, Second Ed., June 1986)





Soil nameand

hydrologicgroup

(appendix A)

Cover description


CN Area Productof

CN x area

Tabl

e 2-

2

Figu

re 2

-3

Figu

re 2

-4


CN (weighted) = ____________ = _______________ = ________ ;total product

total area

Totals

Use CN

2. Runoff


Frequency ................................................. yr



acresmi2

%

1

1


Worksheet 3: Time of Consentration (Tc) or travel time (Tt)Project By Date



Sheet flow (Applicable to Tc only)

1. Surface description (table 3-1) ...................................

2. Manning's roughness coefficient., n (table 3-1) ..........

3. Flow length, L (total L ≤ 300 ft) ................................. ft

4. Two-year 24-hour rainfall, p2 .................................. in

5. Land slope, s ........................................................ ft/ft

6.

Check one: Tc Tt through subarea

Segment ID

7. Surface description (paved or unpaved) .....................

8. Flow length, L ...........................................................ft

9. Watercourse slope, s ............................................ ft/ft

10. Average velocity, V (figure 3-1) ............................. ft/s

11. Compute Tt ........... hr

Segement ID

12. Cross sectional flow area, a ................................. ft2

13. Wetted perimeter, Pw .............................................. ft

14. Hydraulic radius, r= Compute r ......................... ft

15 Channel slope, s ..................................................... ft/ft

16. Manning's roughness coefficient, n ............................

17. Compute V ................ft/s

18. Flow length, L .......................................................... ft

19. Compute Tt .............. hr

20. Watershed or subarea Tc or Tt (add Tt in steps 6, 11, and 19) ....................................................... Hr


Channel flow

0.007 (nL) 0.8Tt = _____________

P2 0.5 s0.4

LTt = _______3600 V

Compute Tt ......... hr + =

1.49 r 2/3 s 1/2

nV = _______________

L3600 V

Tt = _________

Segment ID

+ =

Notes: Space for as many as two segments per flow type can be used for each worksheet. Include a map, schematic, or description of flow segments.

+ =

a

Pw


Worksheet 4: Graphical Peak Discharge methodProject By Date



Drainage area .......................................... Am = ______________ mi2 (acres/640)

Runoff curve number .................................CN = ______________ (From worksheet 2)

Time of concentration ................................. Tc = ______________ hr (From worksheet 3)

Rainfall distribution ....................................... = _______________ (I, IA, II III)

Pond and swamp areas spreathroughout watershed ................................... = ____________ percent of Am ( ________ acres or mi2 covered)

2. Frequency .................................................................................... yr

3. Rainfall, P (24-hour) .................................................................... in

1. Data

Storm #1 Storm #2 Storm #3

4. Initial abstraction, Ia ..................................................................... in (Use CN with table 4-1)

5. Compute Ia/P ..................................................................................

6. Unit peak discharge, qu ........................................................ csm/in (Use Tc and Ia/P with exhibit 4– _____ )

7. Runoff, Q ...................................................................................... in (From worksheet 2) Figure 2-6

8. Pond and swamp adjustment factor, Fp ........................................... (Use percent pond and swamp area with table 4-2. Factor is 1.0 for zero percent pond ans swamp area.)

9. Peak discharge, qp ..................................................................... ft3s

( Where qp = quAmQFp )


Wo

rk

sh

eet

5a: B

asic

wate

rsh

ed

data

Pro

ject

By

Dat

eLo

catio

n

Che

cked

Dat

eC

heck

one

:

Pre

sent

D

evel

oped

Sub

area

nam

e

Fre

quen

cy (

yr)

Dra

inag

ear

ea

Am

(mi2

)

Tim

e of

conc

en-

trat

ion

Tc

(hr)

Trav

eltim

esu

mm

atio

nto

out

let

ΣTt

(hr)

Trav

eltim

eth

roug

hsu

bare

a

Tt

(hr)

Dow

nstr

eam

suba

rea

nam

es

24-h

rra

in-

fall P (in)

Run

off

Q (in)

Am

Q

( m

i2–i

n )

Initi

alab

stra

ctio

n

I a (in)

I a/P

Fro

m w

ork

shee

t 3

Fro

m w

ork

shee

t 2

Fro

m t

able

5-1

Run

off

curv

enu

mbe

r

CN


Wo

rk

sh

eet

5b

: B

asic

wate

rsh

ed

data

Pro

ject

By

Dat

eLo

catio

n

Che

cked

Dat

eC

heck

one

:

Pre

sent

D

evel

oped

Sub

area

nam

e

Fre

quen

cy (

yr)

Sub

area

Tc

(hr)

ΣTt

to o

utle

t

(hr)

Am

Q

( m

i2–i

n )

I a/P

Bas

ic w

ater

shed

dat

a us

ed 1

1W

orks

heet

5a.

Rou

nded

as

need

ed fo

r us

e w

ith e

xhib

it 5.

2E

nter

rai

nfal

l dis

trib

utio

n ty

pe u

sed.

3H

ydro

grap

h di

scha

rge

for

sele

cted

tim

es is

Am

Q m

ultip

lied

by ta

bula

r di

scha

rge

from

app

ropr

iate

exh

ibit

5.

Com

posi

te h

ydro

grap

h at

out

let

Dis

char

ges

at s

elec

ted

hydr

ogra

ph ti

mes

3(

ft3s

)

Sel

ect a

nd e

nter

hyd

rogr

aph

times

in h

ours

from

exh

ibit

5-I

I 2



Project By Date




1stStage

2ndStage

2. Frequency .................. yr

3. Peak inflow discharge q

i ............ ft3/s


4. Peak outflowdischarge q

u .......... ft3/s

qo

qi5. Compute ___ ................

VsVr

6. ___ ..............................

( Use ___ with figure 6-1) qo

qi


8. Runoff volume ................... ac ft

(Vr = QAm 53.33)


(Vs = Vs ( ___ ))Vsr


Detention basin storage ( acre feet )

1

2nd stage qo includes 1st stage qo.1

Ele

vatio

n or

s

tage


Worksheet 6b: Detention basin storage, storage volume (Vs) known

Project By Date




1stStage

2ndStage

2. Frequency .................. yr

3. Storage volume Vs ....................... ac-ft

(from worksheet 2)4. Runoff, Q .............. in

VsVr

6. Compute ___ ...............

qo

qi

7. ____ ......................... in

( From worksheet 4 or 5b)

8. Peak inflow discharge qi ........................... in

9. Peak outflow discharge qo ......................... ft3/s

(qo = qi ( ___ ))qoqi


Detention basin storage

2nd stage qo includes 1st stage qo.

5. Runoff volume ..... ac-ft

(Vr = QAm 53.33)

( Use ___ with figure 6-1) VsVr

Ele

vatio

n or

s

tage

1

1

E–1(210-VI-TR-55, Second Ed., June 1986)

Appendix E References

Brakensiek, D.L. and W.J. Rawis. 1983. Green-Amptinfiltration model parameters for hydrologic classificationof soils. In John Borrelli, Victor R. Hasfurther, and RobertD. Burman (ed.) Advances in irrigation and drainagesurviving external pressures. Proceedings of Am. Soc. Civ.Eng. specialty conference. New York, NY. p.226-233.

Chow, V.T. 1959. Open channel hydraulics. McGraw-HillBook Company, Inc. New York, NY. p. 109-113.

Comer, G.H., F.D. Theurer, and H.H. Richardson. 1981.The Modified Attenuation-Kinematic (Att-Kin) routingmodel. In V.P. Singh (ed.) Rainfall-Runoff Relationships:Proceedings, International Symposium on Rainfall-RunoffModeling. Mississippi State University. p. 553-564.

Engman, E.T. 1986. Roughness coefficients for routingsurface runoff. Journal of Irrigation and Drainage Engineer-ing 112 (1): 39-53.

Frederick, R.H., V.A. Myers, and E.P. Auciello. 1977. Fiveto 60 minute precipitation frequency for the Eastern andCentral United States. U.S. Dep. Commerce, NationalWeather Service, National Oceanic and AtmosphericAdministration Tech. Memo NWS HYDRO 35. SilverSpring, MD. 36 p.

Hershfield, D.M. 1961. Rainfall frequency atlas of theUnited States for durations from 30 minutes to 24 hoursand return periods from 1 to 100 years. U.S. Dep. Com-merce, Weather Bur. Tech. Pap. No. 40. Washington, DC.115 p.

Linsley, R.K., M.A. Kohier, and J.L.H. Paulhus. 1982.Hydrology for engineers. Third Edition. McGraw-HillBook Company, Inc. New York, NY. p. 484.

Musgrave, G.W. 1955. How much of the rain enters thesoil? In Water. The Yearbook of Agriculture 1955. U.S.Dep. Agric. U.S. Gov. Print. Off. Washington, DC. p. 151-159.

Overton, D.E. and M.E. Meadows. 1976. Storm watermodeling. Academic Press. New York, NY. p. 58-88.

Rallison, R.E. and N. Miller. 1981. Past, present, and futureSCS runoff procedure. In V.P. Singh (ed.) Rainfall-RunoffRelationships: Proceedings, International Symposium onRainfall-Runoff Modeling. Mississippi State University.p. 353-364.

Rawls, W.J., A. Shalaby, and R.H. McCuen. 1981. Evalua-tion of methods for determining urban runoff curve num-bers. Transactions of the American Society of AgriculturalEngineers 24 (6):1562-1566.

Soil Conservation Service. 1982 [Draft]. Structure siteanalysis computer program DAMS2 (interim version). SCSTechnical Release 48. Washington, DC.

_.1983 [Draft]. Computer program for project formula-tion-hydrology. SCS Technical Release 20. Washington,DC.

_.1985. National engineering handbook. Section 4-Hydrology. Washington, DC.

E–2 (210-VI-TR-55, Second Ed., June 1986)

F–1(210-VI-TR-55, Second Ed., June 1986)

Appendix F Equations for figures and exhibits

This appendix presents the equations used in proce-dure applications to generate figures and exhibits inTR-55.

Figure 2-1 (runoff equation):

Q

PCN

PCN

=− −

+ −

.

.

21000

10

0 81000

10

2

whereQ = runoff (in)P = rainfall (in)

CN = runoff curve number

Figure 2-3 (composite CN with connectedimpervious area):

CN CNP

CNc pimp

p= +

−( )

10098

whereCNc = composite runoff curve numberCNp = pervious runoff curve numberPimp = percent imperviousness.

Figure 2-4 (composite CN with unconnected impervi-ous areas and total impervious area less than 30%):

CN CNP

CN Rc pimp

p= +

−( ) −( )

10098 1 0 5.

whereR = ratio of unconnected impervious area

to total impervious area.

Figure 3-1 (average velocities for estimating traveltime for shallow concentrated flow):

Unpaved V = 16.1345 (s)0.5Paved V = 20.3282 (s)0.5

where

V= average velocity (ft/s)s = slope of hydraulic grade line

(watercourse slope, ft/ft)

These two equations are based on the solution ofManning’s equation (eq. 3-4) with different assump-tions for n (Manning’s roughness coefficient) and r(hydraulic radius, ft). For unpaved areas, n is 0.05 andr is 0.4; for paved areas, n is 0.025 and r is 0.2.

Exhibit 4 (unit peak discharges for SCS tvpe I, IA,II, and III distributions):

log log logq C C T C qu o i c u( ) = + ( ) + ( )[ ]22

whereQu = unit peak discharge (csm/in)Tc = time of concentration (hr)

(minimum, 0.1; maximum, 10.0)Co, C1, C2 = coefficients from table F-1

Figure 6-1 (approximate detention basin routingthrough single- and multiple-stage structures for24-hour rainfalls of the indicated type):

V

VC C

q

qC

q

qC

q

q

S

ro i

o o o= +

+

+

1

21

2

21

3

whereVs/Vr = ratio of storage volume (Vs) to runoff

volume (Vr)qo/qi = ratio of peak outflow discharge (qo)

to peak inflow discharge (qi)Co, Ci, C2, C3 = coefficients from table F-2

F–2 (210-VI-TR-55, Second Ed., June 1986)

Table F-1 Coefficients for the equation used to generateexhibits 4-I through 4-Ill

Rainfalltype Ia/P C0 C1 C2

I 0.10 2.30550 -0.51429 -0.117500.20 2.23537 -0.50387 -0.089290.25 2.18219 -0.48488 -0.065890.30 2.10624 -0.45695 -0.028350.35 2.00303 -0.40769 -0.019830.40 1.87733 -0.32274 -0.057540.45 1.76312 -0.15644 0.004530.50 1.67889 -0.06930 0.0

IA 0.10 2.03250 -0.31583 -0.137480.20 1.91978 -0.28215 -0.070200.25 1.83842 -0.25543 -0.025970.30 1.72657 -0.19826 0.026330.50 1.63417 -0.09100 0.0

II 0.10 2.55323 -0.61512 -0.164030.30 2.46532 -0.62257 -0.116570.35 2.41896 -0.61594 -0.088200.40 2.36409 -0.59857 -0.056210.45 2.29238 -0.57005 -0.022810.50 2.20282 -0.51599 -0.01259

III 0.10 2.47317 -0.51848 -0.170830.30 2.39628 -0.51202 -0.132450.35 2.35477 -0.49735 - 0.119850.40 2.30726 -0.46541 -0.110940.45 2.24876 -0.41314 -0.115080.50 2.17772 - 0.36803 - 0.09525

Table F-2 Coefficients for the equation used togenerate figure 6-1

Rainfalldistribution C0 C1 C2 C3

(appendix B)

I, IA 0.660 -1.76 1.96 -0.730II, III 0.682 -1.43 1.64 -0.804

urban hydrology for small watersheds - professor patel ... · scs runoff curve number method ........

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