appendix e, part 3 of 3 and appendix f - · pdf filench d50) l) at l) at l ... 428 429, 430...
TRANSCRIPT
Appendix E: Cross Section Geometries (Ordered Upstream to Downstream)
E11
Appendix E: Cross Section Geometries (Ordered Upstream to Downstream)
E12
Appendix E: Cross Section Geometries (Ordered Upstream to Downstream)
E13
APPENDIX F
Calculations for Restoration Measures
Prepared for
The Boeing Company 5800 Woolsey Canyon Road, MC: 033-T436
Canoga Park, CA 91304-1148
Appendix F
Calculations for Restoration Measures
Prepared by
6701 Center Drive West Suite 550 Los Angeles, CA 90045
Project Number SB0363R
September 21, 2011
A
Appendix x F: Calculations for Restoration Measures: Table
No* H
r
SWMMNode
J15
J14
J13
J12A
J12
J11
J10
J8
J7
J6
J5
J4
J2
J1
otes: HEC RAS Z
r
M HE
stations w
EC RAS
51
44.17
41.53
37
32.33
29.6
28.2
23.12
21
18.51
13
11
9.34
2
were interp
F1 Hydra
S Station
764*
384*
7
333*
64*
25*
212*
42*
3
4*
polated beu
ulic Inp
n 2-year
14
15
20
21
23
24
24
29
29
31
32
32
33.7
41
etween su
uts from
F1
r 5-
yea
48
51
64
74
88
10
10
12
13
14
14
14
7 15
18
urveyed c
m SWMM
De
-ar 10-
8
1
4
4 1
8 1
4 1
7 1
9 2
1 2
0 2
2 2
8 2
1 2
4 3
cross secti
sign Dis
-year 2
74
77
96
115
138
172
179
214
218
233
235
248
251
308
ions in fie
scharge
25-year
104
109
133
164
198
266
274
313
320
340
343
370
374
460
eld.
(cfs)
50-ye
127
132
161
200
238
339
343
382
390
455
415
455
459
567
ear 100
7
2
1
0
8
9
3
2 4
0 4
5
5 4
5
9
7
0-year
149
155
188
236
276
384
396
445
455
536
484
536
541
663
Appe
DeSta
80
80
79
79
77
76
74
73
71
70
68
60
60
59
56
55
54
54
53
51
49
endix F: Calcu
sign ation
HEC‐RStatio
+73 50.5
+34 49.92
+87 49.57
+45 49.3
+25 47.42
+17 44.82
+27 44.29
+89 44.05
+66 41.38
+48 40.71
+74 39.5
+94 32.86
+20 32.46
+71 32.13
+62 29.95
+51 29.84
+26 29.4
+26 NON
+87 29.3
+28 28.12
+97 26.5
ulations for Re
RAS on
5 Bank sta
285 Bank sta
714 Bank sta
3 Bank sta
285 Check st
235 Bank sta
94 Bank st
588 Check st
846 Bank sta
142 Bank sta
5 Bank sta
666 Bank sta
666 Bank sta
333 Bank sta
571 Bank sta
416 Bank sta
4 Outlet d
NE Bank sta
3 Side trib
25 Check st
5 Bank sta
estoration Me
Proposed Me
abilization
abilization
abilization
abilization
tructure (47.35)
abilization
abilization
tructure (44.03)
abilization
abilization
abilization
abilization
abilization
abilization
abilization
abilization
issipation
abilization
utary check stru
tructure retrofit
abilization
easures: Tabl
easure
ucture
(28.05)
e F2 Hydrauli
Scenario
Existing
Proposed
Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed
ic Analysis Re
5‐yr Design Discharge
(cfs)
48
48
48 48 48 48 48 48 48 48 48 48 48 48 51 51 64 64 64 64 64 64 74 74 74 74 88 88 88 88 88 88 104 104 104 104 17 17 107 107 107 107
esults
Max Depth (ft)
2.58
2.58
2.08 2.08 2.58 2.58 2.75 2.75 1.89 3.38 2.17 2.17 1.99 1.99 2.05 2.78 2.12 2.12 2.86 2.86 2.99 2.99 2.25 2.25 2.58 2.58 2.69 2.69 3.55 3.55 4.31 4.31 2.34 2.34 2.34 2.34 0.69 0.69 2.33 4.07 2.56 2.56
Flow Width (ft)
11.08
11.08
11.39 11.39 8.15 8.15 8.47 8.47 5.69 10.12 7.48 7.48 8 8
8.85 15.87 14.63 14.63 21.59 21.59 6.12 6.12 12.79 12.79 10.58 10.58 10.05 10.05 15.83 15.83 19.66 19.66 14.33 14.33 14.33 14.33 7.50 7.50 15.64 20
14.42 14.42
Velocity (ft/s)
3.35
3.35
3.4 3.4 3.97 3.97 4.19 4.19 6.3 2.53 5.16 5.16 5.12 5.12 4.75 2.66 4.87 4.87 3.01 3.01 5.72 5.72 4.05 4.05 4.16 4.16 4.94 4.94 2.82 2.82 1.68 1.68 11.11 11.11 11.11 11.11 3.33 3.33 4.53 1.95 4.68 4.68
F2
Velocity Downstream
(ft/s)
6.18 6.18
5.95 5.95
6.24 6.24
Shear Stress (lb/ft2)
1.48
1.48
1.54 1.54 2.06 2.06 2.35 2.35 5.41 0.78 3.63 3.63 3.59 3.6 3.04 0.94 3.51 3.51 1.29 1.29 4.28 4.28 2.08 2.08 2.12 2.12 2.97 2.97 0.92 0.92 0.29 0.29 12.89 12.89 12.89 12.89 1.82 1.82 2.52 0.39 2.66 2.66
Shear Stress Downstream
(lb/ft2)
5.18 5.18
4.97 4.97
5.1 5.1
M
Alluvia
Erosion
AlluviaErosionAlluviaErosionAlluviaErosionAlluvia
Class Facing ‐AlluviaTurf ReAlluviaTurf ReAlluvia
Class Facing ‐AlluviaTurf ReAlluviaErosionAlluviaTurf ReAlluviaErosionAlluviaErosionAlluviaErosionAlluviaErosionAlluviaErosionAlluvia
GrAlluvia
GrAlluvia
Class Facing ‐Alluvia
Class Facing ‐AlluviaErosion
Material Type
al Silts (colloidal
n Control Blanke
al Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidaleinforcement Maal Silts (colloidaleinforcement Maal Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidaleinforcement Maal Silts (colloidaln Control Blankeal Silts (colloidaleinforcement Maal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidalouted Riprap al Silts (colloidalouted Riprap al Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidaln Control Blanke
PerV
l)
et
l) et l) et l) et l) nch D50) l) at l) at l) nch D50) l) at l) et l) at l) et l) et l) et l) et l) et l)
l)
l) nch D50) l) nch D50) l) et
rmissible elocity (ft/s)
PermSS(l
3.75 0
8
3.75 08
3.75 08
3.75 08
3.75 012.1 3.75 014 3.75 014 3.75 012.1 3.75 014 3.75 08
3.75 014 3.75 08
3.75 08
3.75 08
3.75 08
3.75 08
3.75 040 3.75 040 3.75 012.1 3.75 012.1 3.75 08
missible Shear Stress b/ft2)
VeSaFa
0.26 1
3 2
0.26 13 2
0.26 03 2
0.26 03 1
0.26 05.3 10.26 08 2
0.26 08 2
0.26 05.3 20.26 08 2
0.26 13 2
0.26 08 2
0.26 03 1
0.26 03 1
0.26 03 1
0.26 13 2
0.26 23 4
0.26 020 30.26 020 30.26 15.3 30.26 05.3 10.26 03 1
locity afety actor
ShStrSafFac
1.12 0.
2.39 2.
1.10 0.2.35 1.0.94 0.2.02 1.0.89 0.1.91 1.0.60 0.1.96 1.0.73 0.2.71 2.0.73 0.2.73 2.0.79 0.2.03 1.0.77 0.2.87 2.1.25 0.2.66 2.0.66 0.2.45 1.0.93 0.1.98 1.0.90 0.1.92 1.0.76 0.1.62 1.1.33 0.2.84 3.2.23 0.4.76 100.34 0.3.60 1.0.34 0.3.60 1.1.13 0.3.63 2.0.83 0.1.94 1.0.80 0.1.71 1.
ear ress fety ctor
GPS ID
18 8
03
17 9
95 13
11 46 11
12 28 05
15 02 07
16 20 07
19 22 09
20 07 07
23 28 20
25 33 06
27 87 13
39 44 12
40 42 09
41 01 28
45 26 90
46 0.34 02
49 55 02
49 55 14
50 90 10
53 04 10
55 13
Photo ID
377
379
380
381
384
385
389
390
395
399
403, 404
421
422,423
424
428
429, 430
433‐436
433‐436
437‐439
443
446‐448
Appe
DeSta
49
46
45
45
45
44
43
43
42
40
40
39
37
36
35
35
32
32
32
30
27
endix F: Calcu
sign ation
HEC‐RStatio
+03 25.4
+56 23.69
+94 23.45
+94 23.45
+07 23.21
+40 23.03
+65 22.4
+65 22.3
+46 21
+53 20
+53 20
+89 19.38
+51 18.45
+01 18.02
+45 17.2
+45 17
+58 16.03
+41 16
+06 15
+93 14.33
+83 10.29
ulations for Re
RAS on
4 Check st
969 Bank sta
545 Check st
545 Bank sta
121 Bank sta
303 Bank sta
4 Check st
3 Bank Sta
Bank sta
Outlet d
Bank sta
846 Bank stacheck st
571 Bank sta
285 Bank sta
2 Check st
Bank sta
344 Bank sta
Check st
Bank sta
333 Bank sta
923 Bank sta
estoration Me
Proposed Me
tructure retrofit
abilization, both
tructure (23.44)
abilization
abilization
abilization
tructure retrofit
abilization
abilization
issipation
abilization
abilization, remoructure
abilization
abilization
tructure (17.05)
abilization
abilization
tructure (15.85)
abilization
abilization
abilization
easures: Tabl
easure
(25.25)
banks
(22.35)
ove existing
e F2 Hydrauli
Scenario
Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed Existing Proposed
ic Analysis Re
5‐yr Design Discharge
(cfs)
107 107 107 107 107 107 107 107 107 107 129 129 129 129 129 129 131 131 131 131 131 131 131 131 140 140 140 140 140 140 140 140 140 140 140 140 140 140 140 140 148 148
esults
Max Depth (ft)
2.22 4.9 3.15 4.24 2.98 4.82 2.98 4.82 2.82 2.82 2.36 2.36 2.26 3.26 2.15 2.15 5.61 5.61 2.94 2.94 2.94 2.94 3.71 3.71 3.66 3.66 3.08 3.08 4.08 4.57 5.11 5.54 3.48 4.84 2.55 4.78 1.91 1.9 2.17 2.16 3.69 3.86
Flow Width (ft)
11.76 19.48 14.72 17.34 16.03 21.04 16.03 21.04 18.48 18.48 20.51 20.52 16.02 22.27 13.52 13.52 22.9 22.9 21.92 21.92 21.92 21.92 18.77 18.77 18.85 18.85 12.82 12.82 19.27 24.66 33.86 34.98 14.16 17.69 11.21 16.94 20.47 20.46 15.49 15.45 13.68 14.01
Velocity (ft/s)
7.02 1.85 3.41 2.18 3.36 1.63 3.36 1.63 3.16 3.16 4.07 4.07
6.23 3.15 6.78 6.78 5.58 5.58 11.92 11.92 11.92 11.92 3.09 3.09 3.4 3.4 4.97 4.97
3.29 2.64 1.94 1.62 4.43 2.63
7.4 2.79 5.88 5.9
6.78 6.83 4
3.77
F3
Velocity Downstream
(ft/s)
4.58 4.35
3.35 3.35
6.78 6.78
1.94 1.62
7.82 7.06
Shear Stress (lb/ft2)
6.43 0.34 1.3 0.49 1.28 0.26 1.28 0.26 1.15 1.15 2.02 2.01 5.03 1.14 5.81 5.81 2.46 2.46 14.42 14.42 14.42 14.42 1.04 1.04 1.28 1.28 2.77 2.77 1.2 0.77 0.42 0.28 2.19 0.7
6.7 0.8 4.65 4.67 5.88 5.97 1.71 1.5
Shear Stress Downstream
(lb/ft2)
2.49 2.22
1.28 1.28
5.81 5.81
0.42 0.28
7.75 6.18
M
AlluviaClass Facing ‐
AlluviaErosionAlluvia
Class Facing ‐AlluviaErosionAlluviaErosionAlluviaErosionAlluvia
Class Light ‐ 2AlluviaTurf ReAlluviaErosionAlluvia
GrAlluvia
GrAlluviaErosionAlluviaErosionAlluviaErosionAlluvia
Class Facing ‐AlluviaErosionAlluviaErosionAlluvia
Class Light ‐ 2AlluviaTurf ReAlluviaTurf ReAlluviaErosion
Material Type
al Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidaln Control Blankeal Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidal200 lb (~15.9‐incal Silts (colloidaleinforcement Maal Silts (colloidaln Control Blankeal Silts (colloidalouted Riprap al Silts (colloidalouted Riprap al Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidal‐ 75 lb (~11.4‐inal Silts (colloidaln Control Blankeal Silts (colloidaln Control Blankeal Silts (colloidal200 lb (~15.9‐incal Silts (colloidaleinforcement Maal Silts (colloidaleinforcement Maal Silts (colloidaln Control Blanke
PerV
l) nch D50) l) et l) nch D50) l) et l) et l) et l) ch D50) l) at l) et l)
l)
l) et l) et l) et l) nch D50) l) et l) et l) ch D50) l) at l) at l) et
rmissible elocity (ft/s)
PermSS(l
3.75 012.1 3.75 08
3.75 012.1 3.75 08
3.75 08
3.75 08
3.75 014.3 3.75 014 3.75 08
3.75 040 3.75 040 3.75 08
3.75 08
3.75 08
3.75 012.1 3.75 08
3.75 08
3.75 014.3 3.75 014 3.75 014 3.75 08
missible Shear Stress b/ft2)
VeSaFa
0.26 05.3 20.26 13 3
0.26 15.3 30.26 13 4
0.26 13 2
0.26 03 1
0.26 07.3 20.26 08 2
0.26 03 1
0.26 020 30.26 020 30.26 13 2
0.26 13 2
0.26 03 1
0.26 15.3 70.26 13 4
0.26 03 3
0.26 07.3 20.26 08 2
0.26 08 2
0.26 03 2
locity afety actor
ShStrSafFac
0.53 0.2.78 2.1.10 0.3.67 6.1.12 0.3.61 4.1.12 0.4.91 111.19 0.2.53 2.0.92 0.1.97 1.0.60 0.2.11 1.0.55 0.2.06 1.0.67 0.1.43 1.0.31 0.3.36 1.0.31 0.3.36 1.1.21 0.2.59 2.1.10 0.2.35 2.0.75 0.1.61 1.1.14 0.7.47 181.93 0.4.94 100.85 0.3.04 4.0.51 0.2.03 1.0.64 0.2.37 1.0.55 0.2.05 1.0.94 0.2.12 2.
ear ress fety ctor
GPS ID
04 57
39 20
61 12 20
62 14 20
62 .54 23
64 61 13
63 49 05
67 26 04
67 38 11
69 22 02
122 39 02
122 39 25
121 88 20
118 34 09
117 08 22
116 .93 62
116 0.71 12
114 29 04
113 18 06
112 71 04
110 34 15
108 00
Photo ID
13,14
18‐21
22,23
22,23
27
24‐26
32‐34
32‐34
38, 39
144,145
144,145
143
135, 136
134
131‐133
131‐133
128
127
123‐126
117‐119
112‐114
Appe
DeSta
27
26
26
26
25
25
24
23
23
23
22
22
22
21
21
16
15
15
15
* Ind
endix F: Calcu
sign ation
HEC‐RStatio
+35 10.25
+57 10.17
+57 10.17
+23 10.14
+63 10.07
+35 10.04
+71 9.863
+70 9.5
+70 9.48
+40 9.42
+91 9.34
+73 9.32
+26 9.2
+49 9.06
+12 9
+23 2.285
+83 NON
+56 NON
+14 NON
dicates that th
ulations for Re
RAS on Pr
538 Bank sta
714 Check st
714 Bank sta
428 Bank stademoliti
727 Bank sta
454 Bank sta
363 Bank sta
5 Check st
8 Bank sta
2 Bank stademoliti
4 Bank stademoliti
2 Bank sta
2 Bank sta
6 Bank sta
Check st
571 Bank sta
NE Bank sta
NE Bank sta
NE Check st
he exact locat
estoration Me
roposed Measur
abilization
tructure (10.17)
abilization
abilization, bouldon
abilization
abilization
abilization
tructure retrofit
abilization
abilization, bouldon
abilization, bouldon
abilization
abilization
abilization
tructure (8.9)
abilization
abilization
abilization
tructure
tion was not m
easures: Tabl
re Sce
ExiPropExiPropExiProp
der ExiPropExiPropExiPropExiProp
(9.49) ExiPropExiProp
der ExiProp
der ExiPropExiPropExiPropExiPropExiPropExiPropExiPropExiPropExiProp
modeled in H
e F2 Hydrauli
enario 5‐yr DDisch
(c
sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 14posed 14sting 15posed 15sting 15posed 15sting 15posed 15sting 15posed 15sting 15posed 15sting 15posed 15sting 15posed 15sting 15posed 15sting 15posed 15
HEC‐RAS, but h
ic Analysis Re
Design harge cfs)
Max D(ft
48 3.648 3.948 3.748 4.448 3.748 4.448 3.48 4.248 4.348 4.748 4.648 5.048 5.148 5.648 5.148 5.748 5.148 5.748 5.048 5.51 4.951 5.651 4.851 5.651 4.551 5.651 3.951 5.651 2.651 5.651 2.751 2.751 2.751 2.751 2.751 2.751 2.751 2.7
hydraulic res
esults
Depth t)
Flow W(ft
62 14.93 15.579 20.642 25.479 20.642 25.4.9 26.925 29.136 28.478 30.964 27.408 29.619 28.467 30.418 22.676 28.815 24.72 29.07 24.8.7 28.694 20.666 23.187 1963 21.255 16.262 19.092 14.366 18.861 10.968 18.878 19.778 19.778* 19.778* 19.778* 19.778* 19.778* 19.778* 19.7
ults were use
Width t)
Veloc(ft/s
.4 454 3.5662 2.9743 2.362 2.9744 2.399 2.6212 2.2442 293 1.743 1.863 1.5644 1.645 1.3967 2.3583 1.9.2 2.36.4 1.985 2.3964 1.8862 2.713 2.119 2.8827 2.2325 3.4201 2.433 4.2786 2.3595 7.6688 2.3174 4.374 4.374 4.374 4.374 4.374 4.374 4.374 4.3
ed from the n
city s)
VelocDownstr
(ft/s
6
7 2.783 2.377
3
2
4
7
8
6
6
9
5 2.36
9 1.96
9
9
8
7
1
8
3
2
4
7
5
6 11.21 7.593
3
3
3
3
3
3
3
earest analyz
F4
ity ream s)
SheaStres(lb/ft
1.721.34
8 0.957 0.55
0.950.550.760.540.410.290.320.230.250.18
6 0.580.380.590.380.60.360.760.440.870.51.250.571.980.54
4 7.019 0.52
2.162.162.162.162.162.162.162.16
zed station.
r s 2)
Shear StDownstr
(lb/ft
2
4
5 0.855 0.65
5
6
4
1
9
2
3
5
8
8 0.598 0.389
8
6
6
4
7
5
7
8
4
1 16.32 6.916
6
6
6
6
6
6
6
tress ream t2)
5 Class
9 8 Class
2 1 Class
Class
Material Ty
Alluvial Silts (coErosion ControlAlluvial Silts (coFacing ‐ 75 lb (~Alluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coFacing ‐ 75 lb (~Alluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coLight ‐ 200 lb (~1Alluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coErosion ControlAlluvial Silts (coFacing ‐ 75 lb (~
ype
olloidal) l Blanket olloidal) 11.4‐inch D50)olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) 11.4‐inch D50)olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) 15.9‐inch D50) olloidal) l Blanket olloidal) l Blanket olloidal) l Blanket olloidal) 11.4‐inch D50)
Permissible Velocity (ft/s)
3.75 8
3.75 12.1 3.75 8
3.75 8
3.75 8
3.75 8
3.75 8
3.75 12.1 3.75 8
3.75 8
3.75 8
3.75 8
3.75 8
3.75 8
3.75 14.3 3.75 8
3.75 8
3.75 8
3.75 12.1
Permissible Shear Stress (lb/ft2)
0.26 3
0.26 5.3 0.26 3
0.26 3
0.26 3
0.26 3
0.26 3
0.26 5.3 0.26 3
0.26 3
0.26 3
0.26 3
0.26 3
0.26 3
0.26 7.3 0.26 3
0.26 3
0.26 3
0.26 5.3
Velocity Safety Factor
0.94 2.25 1.26 5.11 1.26 3.48 1.43 3.57 1.88 4.71 2.08 5.13 2.34 5.76 1.60 6.37 1.59 4.21 1.57 4.26 1.39 3.79 1.30 3.59 1.10 3.33 0.88 3.40 0.49 1.88 0.87 1.86 0.87 1.86 0.87 1.86 0.87 2.81
Shear Stress Safety Factor
0.15 2.24 0.27 8.83 0.27 5.45 0.34 5.56 0.63 10.34 0.81 13.04 1.04 16.67 0.45 13.95 0.44 7.89 0.43 8.33 0.34 6.82 0.30 6.00 0.21 5.26 0.13 5.56 0.04 1.06 0.12 1.39 0.12 1.39 0.12 1.39 0.12 2.45
GPS ID Photo
107 110, 1
106 109
106 109
104 106, 1
105 108
103 105
102 103, 1
101 99‐10
101 99‐10
100 98
99 96, 9
98 93‐9
97 90‐9
96 87‐8
95 85, 8
91 79
90 78
89 71‐7
85 68‐7
ID
11
9
9
07
8
5
04
02
02
7
5
2
9
86
7
0
Figure F1. Sizing Nomograph for Riprap Apron Under Minimum Tailwater Conditions
Boeing: SSFL Northern DrainageProject No. SB0363R
Source: USDA, SCS 1975