a u.s. geological survey data standard codes for ......a u.s. geological survey data standard codes...

A U.S. GEOLOGICAL SURVEY

DATA STANDARD

Codes for the Identification ofHydrologic Units in theUnited States and theCaribbean Outlying Areas

GEOLOGICAL SURVEY CIRCULAR 878-A

http://www.usgs.govnjestes Click here to return to USGS publications

../index.html

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

].0080011. -- DRY. WYOMING .1.0080012 -- NORTH FORK SHOSHONE . WYOMING .7.0080013 -- SOUTH FORK SHOSHONE . WYOMING .3.0080014 -- SHOSHONE . MONTANA, WYOMING .1.0080015 -- LOWER BIGHORN . MONTANA .3.0080016 -- LITTLE BIGHORN . MONTANA, WYOMING .

SUBREGION 1009 -- POWDER-TONGUE : THE POWDER AND TONGUE RIVERBASINS . MONTANA, WYOMING .

ACCOUNTING (UNIT 100901 -- 'TONGUE : THE TONGUE RIVER BASIN.]MONTANA,, WYOMING.

CATALOGING UNITS 1.0090101 -- UPPER TONGUE . MONTANA, WYOMING .1.0090102 -- LOWER TONGUE . MONTANA .

ACCOUNTING UNIT 100902 -- ;POWDER : THE POWDER RIVER BASIN .MONTANA, WYOMING .

CATALOGING UNITS 1.00902 ,01 -- MIDDLE FORK POWDER . WYOMING .1.00902 ,02 -- UPPER POWDER . WYOMING .1.0090203 -- SOUTH FORK POWDER . WYOMING .1.0090204 -- SALT . WYOMING .1.0090205 -- CRAZY WOMAN . WYOMING .1.0090206 -- CLEAR. WYOMING .1.0090207 -- MIDDLE POWDER . MONTANA, WYOMING ..1.0090208 -- LITTLE POWDER. MONTANA, WYOMING,.1.0090209 -- LOWER POWDER. MONTANA .1.0090210 -- MIZPAH . MONTANA .

SUBREGION 1010 -- LOWER YELLOWSTONE : THE YELLOWSTONE RIVER BASINBELOW THE CONFLUENCE WITH THE BIG HORN RIVER BASIN,EXCLUDING 'THE TONGUE AND POWDER. RIVER BASINS .MONTANA, NORTH DAKOTA .

ACCOUNTING UNIT 1010CIO -- LOWER YELLOWSTONE . MONTANA, NORTH; DAKOTA .

CATALOGING UNITS 1.0100001 -- LOWER YELLOWSTONE-SUNDAY-MONTANA .1.0100002 -- BIG PORCUPINE. MONTANA .1.0100003 -- ROSEBUD . MONTANA. .1.0100004 -- LOWER YELLOWSTONE . MONTANA,

NORTH DAKOTA .1.0100005 -- O'FALLON . MONTANA .

SUBREGION 1011 -- MISSOURI-:LITTLE MISSOURI : THE MISSOURI RIVER BASINBELOW THE CONFLUENCE WITH THE YELLOWSTONE RIVERBASIN TO GARRISON DAM . MONTANA, NORTH DAKOTA,SOUTH DAKOTA, WYOMING .

A5 7

H Y D R O L O G I C:

U N I T

C O D E S


ACCOUNTING 'UNIT 101101 -- ;LAKE SAKAKAWEA : THE MISSOURI RIVER BASINBELOW THE CONFLUENCE WITH THE YELLOWSTONE:RIVER BASIN TO GARRISON DAM, EXCLUDINGTHE LITTLE MISSOURI RIVER BASIN .NORTH DAKOTA .

CATALOGING UNITS 101101®1 -- LAKE SAKAKAWEA . NORTH DAKOTA .10110102 -- LITTLE MUDDY. NORTH DAKOTA.

ACCOUNTING UNIT 101102 -- :LITTLE MISSOURI : THE LITTLE MISSOURI: RIVER;BASIN . MONTANA, NORTH DAKOTA,SOUTH DAKOTA, WYOMING

CATALOGING UNITS 101102,01 -- UPPER LITTLE MISSOURI . MONTANA,NORTH DAKOTA, SOUTH DAKOTA, WYOMING .

10110202 -- BOXELDER . MONTANA, NORTH DAKOTA,SOUTH DAKOTA .

10110203 -- MIDDLE LITTLE MISSOURI . MONTANA,NORTH DAKOTA .

10110204 -- BEAVER . MONTANA, NORTH DAKOTA .10110205 -- LOWER LITTLE MISSOURI .

NORTH DAKOTA .

SUBREGION 10.12 -- CHEYENNE : THE CHEYENNE RIVER BASIN ABOVE THENORMAL OPERATING POOL OF LAKE OAHE . MONTANA,NEBRASKA,, SOUTH DAKOTA, WYOMING .

ACCOUNTING (UNIT 101201 -- CHEYENNE : THE CHEYENNE RIVER BASIN ABOVETHE NORMAL OPERATING POOL OF LAKE OAHE,EXCLUDING THE BELLE FOURCHE RIVER BASIN .NEBRASKA, SOUTH DAKOTA, WYOMING .

CATALOGING UNITS 10120101 --10120102 --10120103 -10120104 --10120105 --10120106 --

1012010710120108

10120109

101201,10 .1012011110120112101201:13

ANTELOPE . WYOMING .DRY FORK CHEYENNE . WYOMING .UPPER CHEYENNE . WYOMING .LANCE . WYOMING .LIGHTNING . WYOMING .ANGOSTURA RESERVOIR. NEBRASKA,SOUTH DAKOTA, WYOMING .BEAVER . SOUTH DAKOTA, WYOMING .HAT . NEBRASKA, SOUTH DAKOTA,WYOMING .MIDDLE CHEYENNE-SPRING .SOUTH DAKOTA .RAPID . SOUTH DAKOTA .MIDDLE CHEYENNE-ELK. SOUTH DAKOTA .LOWER CHEYENNE . SOUTH DAKOTA.CHERRY . SOUTH DAKOTA .

A58

H Y D R O L O G I C

U N I T

C O D E S


ACCOUNTING UNIT 101202 -- BELLE FOURCHE : THE BELLE FOURCHE RIVERBASIN. MONTANA, SOUTH DAKOTA, WYOMING .

CATALOGING UNITS 10120201L -- UPPER BELLE FOURCHE . SOUTH DAKOTA,WYOMING .

10120202 -- LOWER BELLE FOURCHE . MONTANA,SOUTH DAKOTA, WYOMING .

10120203 -- REDWATER . SOUTH DAKOTA, WYOMING .

SUBREGION 1011-! -- MISISOURI-OAHE : THE MISSOURI RIVER BASIN FROMGARRISON DAM TO OAHE DAM, EXCLUDING THE CHEYENNERIVER BASIN ABOVE THE NORMAL OPERATING POOL OF LAKEOAHE . NORTH DAKOTA, SOUTH DAKOTA .

ACCOUNTING UNIT 1013 ,01 -- LAKE OAHE : THE MISSOURI RIVER BASIN FROMGARRISON DAM TO OAHE DAM, EXCLUDING THECHEYENNE RIVER BASIN ABOVE THE NORMALOPERATING POOL OF LAKE OAHE AND THECANNONBALL, GRAND, HEART, KNIFE, ANDMOREAU RIVER BASINS . NORTH DAKOTA,SOUTH DAKOTA .

CATALOGING UNITS

CATALOGING UNITS

10130107. --

10130102 --

10130103 --101301094 --1013010_i --10130106 --

PAINTED WOODS-SQUARE BUTTE .,NORTH DAKOTA .UPPER LAKE OAHE . NORTH DAKOTA,SOUTH DAKOTA .APPLE . NORTH DAKOTA .BEAVER . NORTH DAKOTA .LOWER LAKE OAHE . SOUTH DAKOTA .WIEST MISSOURI COTEAU . NORTH DAKOTA,SOUTH DAKOTA .

ACCOUNTING UNIT 101302 -- CANNONBALL-HEART-KNIFE : THE CANNONBALL,HEART, SAND KNIFE RIVER BASINS .NORTH DAKOTA, SOUTH DAKOTA .

10130207. -- KNIFE . NORTH DAKOTA .10130201: -- UPPER HEART . NORTH DAKOTA .10130203 -- LOWER HEART . NORTH DAKOTA .101302094 -- UPPER CANNONBALL . NORTH DAKOTA .1013020°_1 -- CEDAR . NORTH DAKOTA, SOUTH DAKOTA �10130206 -- LOWER CANNONBALL . NORTH DAKOTA .

ACCOUNTING UNIT 101303 -- GRAND-MOREAU : THE GRAND AND MOREAU RIVERBASINS ABOVE THE NOR14AL OPERATING POOLOF' LAKE OAHE . NORTH DAKOTA, SOUTH DAKOTA .

CATALOGING UNITS 10130301. -- NORTH FORK GRAND. NORTH DAKOTA,SOUTH DAKOTA .

A59

H Y D R O L O G I C

U N I T

C O D E S


10130302 -- SOUTH FORK GRAND . SOUTH DAKOTA .1013CI303 -- GRAND. NORTH DAKOTA, SOUTH DAKOTA ..10130304 -- SOUTH FORK MOREAU . SOUTH DAKOTA .101301305 -- 'UPPER MOREAU . SOUTH DAKOTA .101301306 -- LOWER MOREAU . SOUTH DAKOTA .

SUBREGION 1.014 -- MISSOURI:-WHITE : THE MISSOURI RIVER BASIN FROM'OAHE DAM TO FORT RANDALL DAM . NEBRASKA,SOUTH DAKOTA .

ACCOUNTING UNIT 101401 --- FORT RANDALL RESERVOIR : THE MISSOURIRIVER BASIN FROM OAHE DAM TO FORT RANDALLDAM, EXCLUDING THE WHITE RIVER BASINABOVE THE NORMAL OPERATING POOL OF THEFORT RANDALL RESERVOIR. SOUTH DAKOTA, .

CATALOGING UNITS 10140101 -- FORT RANDALL RESERVOIR .SOUTH DAKOTA .

10140102 -- BAD . SOUTH DAKOTA .10140103 -- MEDICINE KNOLL. SOUTH DAKOTA .10140104 -- MEDICINE . SOUTH DAKOTA .10140105 -- CROW . SOUTH DAKOTA .

ACCOUNTING 'UNIT 101.402 ---'WHITE : THE WHITE RIVER BASIN ABOVE THENORMAL OPERATING POOL OF THE FORT RANDALLRESERVOIR . NEBRASKA, SOUTH DAKOTA .

CATALOGING UNITS 10140201 -- UPPER WHITE . NEBRASKA, SOUTH DAKOTA .10140202 -- MIDDLE WHITE . SOUTH DAKOTA .10140203 -- LITTLE WHITE . NEBRASKA,

SOUTH DAKOTA.101410204 -- LOWER WHITE. SOUTH DAKOTA .

SUBREGION 1015 -- NIOBRARA : THE NIOBRARA RIVER BASIN AND THE PONCACREEK BASIN . NEBRASKA, SOUTH DAKOTA, WYOMING,.

ACCOUNTING UNIT 101.500 -- NIOBRARA . NEBRASKA, SOUTH DAKOTA, WYOMING .

CATALOGING UNITS 10150001 -- PONCA. NEBRASKA, SOUTH DAKOTA .10150002 -- NIOBRARA HEADWATERS . NEBRASKA �

WYOMING .10150003 -- UPPER NIOBRARA . NEBRASKA,

SOUTH DAKOTA .10150004 -- MIDDLE NIOBRARA . NEBRASKA,

SOUTH DAKOTA .10150005 -- SNAKE . NEBRASKA .10150006 -- KEYA PARA . NEBRASKA, SOUTH DAKOTA. .10150007 -- LOWER NIOBRARA . NEBRASKA .,

A60

H Y D R O L O G I C

U N I T

C O D E S

ACCOUNTING UNIT 101600 -- JAMES. NORTH DAKOTA, SOUTH DAKOTA .

CATALOGING UNITS 10170201 -- MIDDLE BIG SIOUX COTEAU .SOUTH DAKOTA .

10170202 -- UPPER BIG SIOUX . MINNESOTA,SOUTH DAKOTA .

10170203 -- LOWER BIG SIOUX . IOWA,MINNESOTA, SOUTH DAKOTA .

10170204 -- ROCK . IOWA, MINNESOTA .

SUBREGION 1018 -- NORTH PLATTE : THE NORTH PLATTE RIVER BASIN .

A61


SUBREGION 101.6 -- JAMES : THE ;TAMES RIVER BASIN . NORTH DAKOTA, SOUTHDAKOTA .

CATALOGING UNITS 10160001 -- JAMES HEADWATERS . NORTH DAKOTA .10160002 -- PIPESTEM . NORTH DAKOTA .10160008 -- UPPER JAMES . NORTH DAKOTA,

SOUTH DAKOTA .10160004 -- ELM. NORTH DAKOTA, SOUTH DAKOTA .10160005 -- MUD. SOUTH DAKOTA .10160006 -- MIDDLE JAMES . SOUTH DAKOTA .10160007 -- EAST MISSOURI COTEAU .

SOUTH DAKOTA .10160008 -- SNAKE . SOUTH DAKOTA .10160009 -- TURTLE . SOUTH DAKOTA .1016001.0 -- NORTH BIG SIOUX COTEAU .

SOUTH DAKOTA .1016001.1 -- LOWER JAMES . SOUTH DAKOTA .

SUBREGION 101.7 -- MISSOURI-BIG SIOUX : THE MISSOURI RIVER BASIN FROMFORT RANDALL DAM TO AND INCLUDING THE BIG SIOUXRIVER BASIN,, BUT :EXCLUDING THE PONCA CREEK,,NIOBIRARA RIVER, AND JAMES RIVER BASINS . IOWA,MINNESOTA, NEBRASKA, SOUTH DAKOTA .

ACCOUNTING UNIT 101701 -- LEWIS AND CLARK LAKE : THE MISSOURIRIVER BASIN FROM FORT RANDALL DAM TO THEBIG SIOUX RIVER BASIN, BUT EXCLUDING THEPONCA CREEK, NIOBRARA RIVER, AND JAMESRIVER BASINS . NEBRASKA, SOUTH DAKOTA .

CATALOGING UNITS 10170101 -- LEWIS AND CLARK LAKE . NEBRASKA,SOUTH DAKOTA .

10170102 -- VE;RMILLION . SOUTH DAKOTA .10170103 -- SOUTH BIG SIOUX COTEAU . SOUTH DAKOTA

ACCOUNTING UNIT 10170;2 -- BIG SIOUX : THE BIG SIOUX RIVER BASIN .IOWA, MINNESOTA, SOUTH DAKOTA .

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AMID CATALOGING UNITS (CONTINUED)

COLORADO, NEBRASKA, WYOMING .

ACCOUNTING UNIT 101800 -- NORTH PLATTE . COLORADO, NEBRASKA,,WYOMING .

CATALOGING UNITS 10180001 -- NORTH PLATTE HEADWATERS . COLORADO .10,180002 -- UPPER NORTH PLATTE . COLORADO,

WYOMING .10180003 -- PATHFINDER-SEMINOE RESERVOIRS .

WYOMING .10180004 -- MEDICINE BOW . WYOMING .10180005 -- LITTLE MEDICINE BOW . WYOMING .10180006 -- SWEETWATER. WYOMING .10180007 -- MIDDLE NORTH PLATTE-CASPER .

WYOMING .10180008 -- GLENDO RESERVOIR. WYOMING .10180009 -- MIDDLE NORTH PLATTE-SCOTTS BLUFF .

NEBRASKA, WYOMING .10180010 -- UPPER LARAMIE . COLORADO, WYOMING .10180011 -- LOWER LARAMIE . WYOMING .10180012 -- HORSE . NEBRASKA, WYOMING .10180013 -- PUMPKIN . NEBRASKA, WYOMING .10180014 -- LOWER NORTH PLATTE . NEBRASKA .

SUBREGION 1019 -- SOUTH PLATTE : THE SOUTH PLATTE RIVER BASIN.COLORADO, NEBRASKA, WYOMING .

ACCOUNTING UNIT 101900 -- SOUTH PLATTE . COLORADO, NEBRASKA,WYOMING .

CATALOGING UNITS 101'90001 -- SOUTH PLATTE HEADWATERS . COLORADO .101'90002 -- UPPER SOUTH PLATTE . COLORADO .101'90003 -- MIDDLE SOUTH PLATTE-CHERRY CREEK .

COLORADO .101'90004 -- CLEAR . COLORADO .101'90005 -- ST . VRAIN . COLORADO .101'90006 -- BIG THOMPSON . COLORADO .101'90007 -- CACHE LA POUDRE . COLORADO,

WYOMING .101'90008 -- LONE TREE-OWL . COLORADO,

WYOMING .101'90009 -- CROW . COLORADO, WYOMING .101'90010 -- KIOWA . COLORADO .101'90011 -- BIJOU. COLORADO .101'90012 -- MIDDLE SOUTH PLATTE-STERLING .

COLORADO, NEBRASKA .10 :1'90013 -- BEAVER . COLORADO .101'90014 -- PAWNEE . COLORADO .101'90015 -- UPPER LODGEPOLE . COLORADO,

A62

H Y D R O L O G I C

U N I T

C O D E S


NEBRASKA, WYOMING .].0190016 -° LOWER LODGEPOLE . COLORADO,

NEBRASKA, WYOMING .1.0190017 -° SIDNEY DRAW . COLORADO, NEBRASKA,,

WYOMING .3.0190018 -° LOWER SOUTH PLATTE . COLORADO,

NEBRASKA .

SUBREGION 1020 -- PLATTE : THE PLATTE RIVER BASIN BELOW THE CONFLUENCEOF THE NORTH AND SOUTH PLATTE RIVER BASINS,EXCLUDING THE ELKHORN AND LOUP RIVER BASINS .NEBRASKA .

ACCOUNTING UNIT 102001 -- MIDDLE PLATTE : THE PLATTE RIVER BASINBELOW THE CONFLUENCE OF THE NORTH ANDSOUTH PLATTE RIVER BASINS TO THECONFLUENCE WITH THE LOUP RIVER BASIN .NEBRASKA .

CATALOGING 'UNITS 10200101 -- MIDDLE PLATTE-BUFFALO . NEBRASKA.10200102 -- WOOD . NEBRASKA .10200103 -- MIDDLE PLATTE-PRAIRIE . NEBRASKA .

ACCOUNTING UNIT 1020C'2 -- LOWER PLATTE : THE PLATTE RIVER BASINBELOW THE CONFLUENCE WITH THE LOUP RIVER BASIN,EXCLUDING THE ELKHORN RIVER BASIN . NEBRASKA .

CATALOGING 'UNITS 10200201 -- LOWER PLATTE-SHELL . NEBRASKA .10200202 -- LOWER PLATTE . NEBRASKA .10200203 -- SALT . NEBRASKA .

SUBREGION 1021 -- LOUP : THE LOUP RIVER BASIN. NEBRASKA .

ACCOUNTING UNIT 102100 -- LOUP . NEBRASKA .

CATALOGING 'UNITS 10210001 --10210002 --1021000.3 -10210004 --10210005 --10210006 --10210007 --10210008 --10210009 --10210010 --

SUBREGION 1022 -- ELKHORN : THE ELKHORN RIVER BASIN . NEBRASKA .

ACCOUNTING UNIT 1022CO -- E:LKHORN . NEBRASKA .

UPPER MIDDLE LOUP . NEBRASKA .DISMAL . NEBRASKA.LOWER MIDDLE LOUP . NEBRASKA .SOUTH LOUP . NEBRASKA .MUD . NEBRASKA .UPPER NORTH LOUP . NEBRASKA .LOWER NORTH LOUP . NEBRASKA .CA,LAMUS . NEBRASKA .LOUP . NEBRASKA .CEDAR . NEBRASKA .

A6 3

H Y D R O L O G I C:

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND, NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

CATALOGING UNITS

SUBREGION 1023 -- MISSOURI-LITTLE SIOUX : THE MISSOURI RIVER BASIN'BELOW THE CONFLUENCE WITH THE BIG SIOUX RIVER BASINTO THE CONFLUENCE WITH THE PLATTE RIVER BASIN.IOWA, MINNESOTA, NEBRASKA .

ACCOUNTING 'UNIT 102300 -- MISSOURI-LITTLE SIOUX. IOWA, MINNESOTA,NEBRASKA .

CATALOGING UNITS 10230001. -- BLACKBIRD-SOLDIER . IOWA, NEBRASKA .10230002 -- FLOYD . IOWA .10230003 °- LITTLE SIOUX . IOWA, MINNESOTA �10230004 -- MONONA-HARRISON DITCH . IOWA .10230005 -- MAPLE . IOWA .10230006 -- BIG PAPILLION-MOSQUITO . IOWA,

NEBRASKA .10230007 -- BOYER. IOWA.

SUBREGION 1024 -- MISSOURI-NISHNABOTNA : THE MISSOURI RIVER BASINBELOW THE CONFLUENCE WITH THE PLATTE RIVER BASIN TOTHE CONFLUENCE WITH THE KANSAS RIVER BASIN . IOWA.,KANSAS, MISSOURI, NEBRASKA .

ACCOUNTING UNIT 102.400 -- MISSOURI-NISHNABOTNA . IOWA, KANSAS,MISSOURI, NEBRASKA .

CATALOGING UNITS 10?.40001 -- KEG-WEEPING WATER. IOWA, MISSOURI,NEBRASKA .

10240002 -- WEST NISHNABOTNA . IOWA .10240003 -- EAST NISHNABOTNA . IOWA .10240004 -- NISHNABOTNA . IOWA, MISSOURI .1024000 .̀1 -- TARKIO-WOLF . IOWA, KANSAS, MISSOURI,

NEBRASKA .10240006 °- LITTLE NEMAHA . NEBRASKA .10240007 -- SOUTH FORK BIG NEMAHA . KANSAS �

NEBRASKA .10240008 -- BIG NEMAHA . KANSAS, NEBRASKA .10240009 -- WEST NODAWAY . IOWA .10240010 -- NODAWAY . IOWA, MISSOURI .10240011 -- INDEPENDENCE-SUGAR . KANSAS,

MISSOURI .102400112 -- PLATTE . IOWA, MISSOURI .10240013 -- ONE HUNDRED AND TWO . IOWA, MISSOURI .

A64

10220001. -- UPPER ELKHORN . NEBRASKA .10220002 -- NORTH FORK ELKHORN . NEBRASKA .10220003 -- LOWER ELKHORN . NEBRASKA .10220004 -- LOGAN . NEBRASKA .

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS A19D' CATALOGING UNITS (CONTINUED)

SUBREGION 1025 -- REPUBLICAN : THE REPUBLICAN RIVER BASIN .COLORADO, KANSAS, NEBRASKA .

ACCOUNTING UNIT 102500 --- REPUBLICAN . COLORADO, KANSAS,NEBRASKA .

CATALOGING UNITS 1.0250001 -- ARIKAREE . COLORADO, KANSAS,NEBRASKA .

1.0250002 -- NORTH FORK REPUBLICAN . COLORADO,KANSAS, NEBRASKA .

1.0250003 -- SOUTH FORK REPUBLICAN . COLORADO,KANSAS, NEBRASKA .

1.0250004 -- UPPER REPUBLICAN . COLORADO,KANSAS, NEBRASKA .

1.0250005 -- FRENCHMAN . COLORADO, NEBRASKA .10250006 -- STINKING WATER . COLORADO, NEBRASKA .1.0250007 -- RED WILLOW . NEBRASKA .1.0250008 -- MEDICINE . NEBRASKA .1.0250009 -- HARLAN COUNTY RESERVOIR . KANSAS �

NEBRASKA.1.0250010 -- UPPER SAPPA . KANSAS .1.0250011 -- LOWER SAPPA . KANSAS, NEBRASKA .1.0250012 --- SOUTH FORK BEAVER . COLORADO,

KANSAS .1.0250013 -- LITTLE BEAVER. COLORADO, KANSAS ..1.0250014 --- BEAVER . KANSAS, NEBRASKA .1.0250015 --- PRAIRIE DOG. KANSAS, NEBRASKA .1.0250016 --- MIDDLE REPUBLICAN . KANSAS, NEBRASKA. .110250017 --- LOWER REPUBLICAN . KANSAS .

SUBREGION 1026 -- SMOKY HILL : THE SMOKY HILL RIVER BASIN. COLORADO,KANSAS .

ACCOUNTING UNIT 102600 --- SMOKY HILL . COLORADO, KANSAS .

CATALOGING UNITS 10260001 --- SMOKY HILL HEADWATERS . COLORADO,KANSAS .

10260002 --- NORTH FORK SMOKY HILL . COLORADO,KANSAS .

10260003 --- UPPER SMOKY HILL . KANSAS .10260004, --- LADDER . COLORADO, KANSAS .10260005, --- HACKBERRY . KANSAS .10260006 -- MIDDLE SMOKY HILL . KANSAS .10260007 --- BIG . KANSAS .:10260008 --- LOWER SMOKY HILL . KANSAS .:10260009 -- UPPER SALINE . KANSAS .1026001.0 -- LOWER SALINE . KANSAS .:10260011.-- UPPER NORTH FORK SOLOMON . KANSAS .10260012.-- LOWER NORTH FORK SOLOMON . KANSAS .

A65

H Y D R .0 L 0 G I C;

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND NAMES OF REGIONS, SUBREGIONS,,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

10260013 -- UPPER SOUTH FORK SOLOMON . KANSAS .10260019E -- LOWER SOUTH FORK SOLOMON . KANSAS .10260015 -- SOLOMON . KANSAS .

SUBREGION 1027 -- K_hNSAS : THE KANSAS RIVER BASIN, EXCLUDING THEREPUBLICAN AND SMOKY HILL RIVER BASINS . KANSAS,NEBRASKA, MISSOURI .

ACCOUNTING UNIT 102701 -- KANSAS : THE KANSAS RIVER BASIN, EXCLUDINGTHE BIG BLUE, REPUBLICAN, AND SMOKY HILLRIVER BASINS . KANSAS, MISSOURI .

CATALOGING UNITS 10270101. -- UPPER KANSAS . KANSAS .10270102 -- MIDDLE KANSAS . KANSAS .10270103 -- DELAWARE . KANSAS .10270104 -- LOWER KANSAS . KANSAS, MISSOURI[ .

ACCOUNTING UNIT 102702 -- BIG BLUE : THE BIG BLUE RIVER BASIN .KANSAS, NEBRASKA .

CATALOGING UNITS 10270201 °- UPPER BIG BLUE . NEBRASKA .10270202 -- MIDDLE BIG BLUE . NEBRASKA .10270203 -- WEST FORK BIG BLUE . NEBRASKA .10270204 -- TURKEY . NEBRASKA .10270205 -- LOWER BIG BLUE . KANSAS, NEBRASKA .10270206 -- UPPER LITTLE BLUE . KANSAS,

NEBRASKA .10270207 -- LOWER LITTLE BLUE . KANSAS,

NEBRASKA .

SUBREGION 1028 -- CHARITON-GRAND : THE CHARITON, GRAND, AND LITTLE;CHARITON RIVER BASINS . IOWA, MISSOURI .

ACCOUNTING UNIT 102801 -- GRAND: THE GRAND RIVER BASIN . IOWA,MISSOURI .

CATALOGING UNITS 10280101 -- UPPER GRAND . IOWA, MISSOURI .10280102 -- THOMPSON . IOWA., MISSOURI .10280103 -- LOWER GRAND . IOWA, MISSOURI .

ACCOUNTING UNIT 102802 -- CHARI'.PON : THE CHARITON AND LITTLE CHARITONRIVER BASINS . IOWA, MISSOURI .

CATALOGING UNITS 10280201 °- UPPER CHARITON . IOWA, MISSOURI .10280202 -- LOWER CHARITON . MISSOURI .1028020;3 -- LITTLE CHARITON . MISSOURI .

SUBREGION 1029 -- GASCONADE-OSAGE : THE GASCONADE AND OSAGE RIVERBASINS . KANSAS � MISSOURI .

A6 6

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS

ANDCATALOGING UNITS (CONTINUED)

ACCOUNTING UNIT 102901 --- OSAGE : THE OSAGE RIVER BASIN .:KANSAS, MISSOURI .

CATALOGING UNITS ].0290101 -- UPPER MARAIS DES CYGNES . KANSAS .7.0290102 -- LOWER MARAIS DES CYGNES . KANSAS,

MISSOURI .7.0290103 -- LITTLE OSAGE . KANSAS, MISSOURI .1.0290104 -- MARMATON . KANSAS, MISSOURI .7.0290105 -- HARRY S . TRUMAN RESERVOIR . MISSOURI .1.0290106 -- SAC . MISSOURI .1.0290107 -- POMME DE TERRE. MISSOURI .1.0290108 -- SOUTH GRAND . KANSAS, MISSOURI .1.0290109 --- LAKE OF THE OZARKS . MISSOURI .1.0290110 --- NIANGUA . MISSOURI .1'.0290111 --- LOWER OSAGE . MISSOURI .

ACCOUNTING UNIT 102902 --- GASC:ONADE . THE GASCONADE RIVER BASIN .MISSOURI .

CATALOGING UNITS IL0290201 --- UPPER GASCONADE . MISSOURI .IL0290202 --- BIG PINEY. MISSOURI .IL0290203 --- LOWER GASCONADE . MISSOURI .

SUBREGION 1030 -- LOWER MISSOURI : THE MISSOURI RIVER BASIN BELOW THECONFLUENCE WITH THE KANSAS RIVER BASIN TO THECONFLUENCE WITH 17HE MISSISSIPPI RIVER, EXCLUDINGTHE CHARITON, GASCONADE, GRAND, AND OSAGE RIVERBASINS . KANSAS, MISSOURI .

ACCOUNTING UNIT 103001 --- LOWER MISSOURI-BLACKWATER . THE MISSOURIRIVER BASIN BELOW THE CONFLUENCE WITH THE;KANSAS RIVER BASIN TO THE CONFLUENCE WITHTHE GASCONADE RIVER BASIN, EXCLUDING

THE

CHARITON, GASCONADE, GRAND, AND OSAGERIVER BASINS .

KANSAS, MISSOURI .

CATALOGING UNITS 10300101.--- LOWER MISSOURI-CROOKED . KANSAS,MISSOURI .

103001.02 --- LOWER MISSOURI-MOREAU . MISSOURI .103001,03 --- LAMINE . MISSOURI: .103001.09: --- BLACKWATER . MISSOURI .

ACCOUNTING UNIT 103002 --- LOWER MISSOURI . THE MISSOURI RIVERBASIN BELOW THE CONFLUENCE WITH THEGASCONADE RIVER BASIN TO THE CONFLUENCEWITH THE MISSISSIPPI RIVER . MISSOURI .

CATALOGING UNIT

103010200 .-- LOWER MISSOURI . MISSOURI .

A67

H Y D R O L O G I C

U N I T

C O D E S


REGION 11 ARKANSAS-WHITE-RED REGION -- THE DRAINAGE OF THE ARKANSAS,WHITE, AND RED,RIVER BASINS ABOVE THE POINTS OF HIGHESTBACKWATER EFFECT OF THE MISSISSIPPI RIVER . INCLUDES ALL OFOKLAHOMA AND PARTS OF ARKANSAS, COLORADO, KANSAS, LOUISIANA,MISSOURI, NEW MEXICO, AND TEXAS .

SUBREGION 1101 -- UPPER WHITE: THE WHITE RIVER BASIN ABOVE ANDINCLUDING THE LITTLE RED RIVER BASIN TO THE POINNTOF HIGHEST BACKWATER EFFECT O? THE MISSISSIPPIRIVER . ARKANSAS, MISSOURI .

ACCOUNTING UNIT 110100 -- UPPER WHITE . ARKANSAS, MISSOURI .

CATALOGING UNITS 11010001 -- 'BEAVER RESERVOIR . ARKANSAS, MISSOURI11010002 -- ,JAMES . MISSOURI .11010003 -- BULL SHOALS LAKE . ARKANSAS,

MISSOURI .11010004 -- ]MIDDLE WHITE . ARKANSAS .11010005 -- BUFFALO . ARKANSAS .11010006 -- :NORTH FORK WHITE . ARKANSAS,

]MISSOURI .11010007 -- UPPER BLACK. ARKANSAS,

]MISSOURI .11010008 -- CURRENT . ARKANSAS, MISSOURI .11010009 -- LOWER BLACK. ARKANSAS, MISSOURI .11010010 -- SPRING . ARKANSAS, MISSOURI .11010011 -- ELEVEN POINT . ARKANSAS, MISSOURI .110100'.12 -- STRAWBERRY . ARKANSAS .11010013 -- UPPER WHITE-VILLAGE . ARKANSAS .11010014 -- LITTLE RED . ARKANSAS .

SUBREGIO:N 1102 -- UPPER ARKANSAS : THE ARKANSAS RIVER BASIN ABOVE ITSINTERSECT WITH 'THE COLORADO-KANSAS STATE LINE .COLORADO, KANSAS, NEW MEXICO .

ACCOUNTING UNIT 110200 -- UPPER ,ARKANSAS . COLORADO, KANSAS,NEW MEXICO .

CATALOGING UNITS 11020001 -- ARKANSAS HEADWATERS . COLORADO .11020002 -- 'UPPER ARKANSAS . COLORADO .11020003 -- FOUNTAIN . COLORADO .11020004 -- CHICO . COLORADO .11020005 -- 'UPPER ARKANSAS--LAKE MEREDITH .

COLORADO .11020006 -= HUERFANO . COLORADO .11020007 -- APISHAPA . COLORADO .

A68

H Y D R 0 L 0 G I: C

U N I T

C O D E S

13OUNDARY DESCRIPTIONS-AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

1.1020008--- HORSE . COLORADO .11020009 -- UPPER ARKANSAS-JOHN MARTIN

RESERVOIR . COLORADO, KANSAS .11020010 -° PURGATOIRE . COLORADO, NEW MEXICO .11020011 --- BIG SANDY . COLORADO11020012 -- RUSH . COLORADO .11020013 -- TWO BUTTE . COLORADO .

SUBREGION 1103 -- MIDDLE ARKANSAS : THE ARKANSAS RIVER BASIN BELOWITS INTERSECT WITH THE COLORADO-KANSAS STATE LINE.TO AND INCLUDING THE WALNUT RIVER BASIN,INCLUDING THE WHITEWOMAN CREEK CLOSED BASIN .COLORADO, KANSAS .

ACCOUNTING UNIT 110300 -- MIDDLE ARKANSAS . COLORADO, KANSAS .

CATALOGING UNITS 11030007- -- MIDDLE ARKANSAS--LAKE MCKINNEY .COLORADO, KANSAS .

11030002 -- WHITEWOMAN . COLORADO, KANSAS .11030003 -- ARKANSAS-DODGE CITY . KANSAS .11030004 -- COON-PICKEREL . KANSAS .11030005 -- PAWNEE . KANSAS .11030006 -- BUCKNER . KANSAS �1103000',1 -- UPPER WALNUT CREEK . KANSAS .11030008 -- LOWER WALNUT CREEK . KANSAS .11030009 -- RATTLESNAKE . KANSAS .11030010 -- GAR-PEACE . KANSAS .11030011 -- COW. KANSAS .1103001:? -- LITTLE ARKANSAS . KANSAS .1103001:3 -- MIDDLE ARKANSAS--SLATE . KANSAS .11030014 -- NORTH FORK NINNESCAH . KANSAS .1103001!5 -- SOUTH FORK NINNESCAH . KANSAS .110300115 -- NINNESCAH . KANSAS .1103001'7 -- UPPER WALNUT RIVER . KANSAS .11030018 -- LOWER WALNUT RIVER . KANSAS .

SUBREGION 1104 -- UPPER CIMARRON : THE CIMARRON RIVER BASIN BELOW'ITS HEADWATERS T'0 THE RIVER'S MOST DOWNSTREAMINTERSECT WITH THE KANSAS-OKLAHOMA STATE LINE,INCLUDING THE BEAR CREEK CLOSED BASIN.COLORADO, :KANSAS, NEW MEXICO, OKLAHOMA .

ACCOUNTING UNIT 110900 -- UPPER C:IMARRON . COLORADO, KANSAS,NEW MEXICO, OKLAHOMA .

CATALOGING UNITS 11040001 -- CIMARRON HEADWATERS . COLORADO,NEW MEXICO, OKLAHOMA .

11040002 -- UPPER CIMARRON . COLORADO, KANSAS,NEW MEXICO, OKLAHOMA .

A69

H Y D R O L O G I C

U N I T

C O D E S


11040003 -- NORTH FORK CIMARRON . COLORADO,KANSAS .

11040004 -- SAND ARROYO . COLORADO, KANSAS .11040005 -- BEAR . COLORADO, KANSAS .11040006 -- UPPER CIMARRON-LIBERAL . KANSAS,

OKLAHOMA .11040007 -- CROOKED . KANSAS, OKLAHOMA .110400018 -- UPPER CIMARRON-BLUFF . KANSAS,

OKLAHOMA .

SUBREGION 1105 -- LOWER CIMARRON : THE CIMARRON FIVER BASIN BELOW THERIVER'S MOST DOWNSTREAM INTERSECT WITH THEKANSAS-OKLAHOMA STATE LINE TO THE CONFLUENCE WITHTHE ARKANSAS RIVER, INCLUDING THAT PORTIONINUNDATED BY KEYSTONE RESERVOIR. KANSAS, OKLAHOMA .

ACCOUNTING UNIT 110500 --- LOWER CIMARRON . KANSAS, OKLAHOMA .

CATALOGING UNITS 11050001 -- LOWER CIMARRON-EAGLE CHIEF . KANSAS,OKLAHOMA .

11050002 -- LOWER CIMARRON-SKELETON . OKLAHOMA .110 .̀10003 -- LOWER CIMARRON . OKLAHOMA .

SUBREGION 1106 -- ARKANSAS - KEYSTONE : THE ARKANSAS RIVER BASIN BELOWTHE. WALNUT' RIVER BASIN TO KEYSTONE DAM,EXCLUDING THE CIMARRON RIVER BASIN.KANSAS, OKLAHOMA .

ACCOUNTING UNIT 110600 --- ARKANSAS - KEYSTONE . KANSAS, OKLAHOMA .

CATALOGING UNITS 11060001 -- KAW LAKE . KANSAS, OKLAHOMA .11060002 -- UPPER SALT FORK ARKANSAS . KANSAS,

OKLAHOMA.11060003 -- MEDICINE LODGE . KANSAS, OKLAHOMA .11060004 -- LOWER SALT FORK ARKANSAS . KANSAS,

OKLAHOMA .11060005 -- CHIKASKIA . KANSAS, OKLAHOMA ..11060006 -- BLACK BEAR-RED ROCK . OKLAHOMA .

SUBREGION 1107 -- NEOSHO - VERDIGRIS . THE NEOSHO AND VERDIGRIS RIVERBASINS . ARKANSAS, KANSAS, MISSOURI, OKLAHOMA .

ACCOUNTING UNIT 110701 --- VERDIGRIS: THE VERDIGRIS RIVER BASIN .KANSAS, OKLAHOMA .

CATALOGING UNITS 11070101 -- UPPER VERDIGRIS. KANSAS .11070102 --FALL . KANSAS .11070103 -- MIDDLE VERDIGRIS . KANSAS, OKLAHOMA .

A7 0

H Y D R O L O G I C

U N I T

C O D E S


11070104 -- ELK. KANSAS .11070105 --- LOWER VERDIGRIS. OKLAHOMA .11070106 -- CANEY. KANSAS, OKLAHOMA .11070107 -- BIRD . OKLAHOMA .

ACCOUNTING UNIT 11070:? -- NEOSHO : THE NEOSHO RIVER BASIN .ARKANSAS � KANSAS, MISSOURI, OKLAHOMA .

CATALOGING UNITS 11070201 --- NEOSHO HEADWATERS . KANSAS .11070202 --- UPPER COTTONWOOD . KANSAS .11070203 --- LOWER COTTONWOOD . KANSAS .11070204 --- UPPER NEOSHO . KANSAS .11070205 -- MIDDLE NEOSHO . KANSAS, OKLAHOMA .11070206 --- LAKE 0' THE CHEROKEES . ARKANSAS,

KANSAS, MISSOURI, OKLAHOMA .11070207 --- SPRING . KANSAS, MISSOURI,

OKLAHOMA.11070208 --- ELK . ARKANSAS, MISSOURI,, OKLAHOMA.11070209 -- LOWER NEOSHO . ARKANSAS, OKLAHOMA .

SUBREGION 1108 -- UPPER CANADIAN : THE CANADIAN RIVER BASIN ABOVE ITSINTERSECT WITH THE NEW MEXICO-TEXAS STATE LINE .COLORADO, NEW MEXICO .

ACCOUNTING UNIT 110800 -- UPPER CANADIAN . COLORADO, NEW MEXICO .

CATALOGING UNITS 11080001 --- CANADIAN HEADWATERS . COLORADO,NEW MEXICO .

11080002 --- CIMARRON . NEW MEXICO .11080003 -- UPPER CANADIAN . NEW MEXICO .11080004 -° MORA . NEW MEXICO ..11080005 --- CONCHAS . NEW MEXICO .11080006 -° UPPER CANADIAN-UTE RESERVOIR .

NEW MEXICO, TEXAS.11080007 -- UTE . NEW MEXICO .1;1080008 --- REVUELTO . NEW MEXICO .

SUBREGION 1109 -- LOWER CANADIAN : THE CANADIAN RIVER BASIN BELOW ITSINTERSECT WITH THE NEW MEXICO-TEXAS STATE LINETO THE CONFLUENCE WITH THE ARKANSAS RIVER,INCLUDING THAT PORTION INUNDATED BY EUFAULA LAKEAND ROBERT S . KERR RESERVOIR, BUT EXCLUDING THENORTH CANADIAN RIVER BASIN . NEW MEXICO,OKLAHOMA, TEXAS .

ACCOUNTING UNIT 110901 -- MIDDLE CANADIAN : THE CANADIAN RIVER BASINBELOW ITS INTERSECT WITH THENEW MEXICO-TEXAS STATE LINE T+0 ITSINTERSECT WITH THE OKLAHOMA-TEXAS STATE

A71

H Y D R O L O G I C

U N I T

C O D E S


LINE . NEW MEXICO, OKLAHOMA, TEXAS .

CATALOGING UNITS 11090101 -- MIDDLE CANADIAN-TRUJILLO . NEWMEXICO, TEXAS .

110901012 -- PUNTA DE AGUA . NEW MEXICO, TEXAS .110901.03 -- RITA BLANCA . NEW MEXICO, OKLAHOMk,,

TEXAS.11090104 -- CARRIZO . NEW MEXICO, TEXAS .110901015 -- :LAKE MEREDITH . TEXAS .110901,06 -° MIDDLE CANADIAN-SPRING . TEXAS .

ACCOUNTING UNIT 110902 --- LOWER CANADIAN : THE CANADIAN RIVER BASINBELOW ;ITS INTERSECT WITH THE OKLAHOMA-TEXAS STATE LINE TO THE CONFLUENCE WITHTHE AR{ANSAS RIVER, INCLUDING THAT POR'.CIONINUNDATED BY EUFAULA LAKE AND ROBERT S .KERR RESERVOIR, BUT EXCLUDING THE NORTHCANADIAN RIVER BASIN .. OKLAHOMA, TEXAS .

CATALOGING UNITS 11090201 -° LOWER CANADIAN-DEER . OKLAHOMA,TEXAS .

11090202 -- (LOWER CANADIAN-WALNUT . OKLAHOMA .11090203 -° (LITTLE . OKLAHOMA .11090204 -- LOWER CANADIAN . OKLAHOMA .

SUBREGION 1110 -- NORTH CANADIAN : THE NORTH CANADIAN RIVER BASIN,INCLUDING THAT PORTION INUNDATED BY EUFAULA LAKE .KANSAS, NEW MEXICO, OKLAHOMA, TEXAS .

ACCOUNTING UNIT 111001 -- UPPER BEAVER . THE BEAVER RIVER BASIN TOAND INCLUDING THE HOME CREEK BASIN .KANSAS� NEW MEXICO, OKLAHOMA,TEXAS .

CATALOGING UNITS 11100101 -° UPPER BEAVER . NEW MEXICO,OKLAHOMA, TEXAS .

11100102 -- 1l4IDDLE BEAVER . KANSAS, OKLAHOMA .11100103 °- COLDWATER . OKLAHOMA, TEXAS .11100104 -- PALO DURO . OKLAHOMA, TEXAS .

ACCOUNTING UNIT 111002 -- LOWER 13EAVER : THE BEAVER RIVER BASIN BELOWTHE HOME CREEK BASIN TO ANDINCLUDING THE WOLF CREEK BASIN .OKLAHOMA, TEXAS.

CATALOGING UNITS 11100201 °- LOWER BEAVER . OKLAHOMA, TEXAS.11100202 -- UPPER WOLF . TEXAS .11100203 --°: LOWER WOLF . OKLAHOMA, TEXAS .

A7 2

H Y D R O L O G I C

U N I T

C O D E S


ACCOUNTING UNIT 11100:3 -- LOWER NORTH CANADIAN : THE NORTHCANADIAN RIVER BASIN, INCLUDING THATPORTION :INUNDATED BY EUFAULA LAKE, BUTEXCLUDING THE BEAVER RIVER BASIN ABOVE ITSCONFLUENCE WITH THE WOLF CREEK BASIN .OKLAHOMA .

CATALOGING UNITS 11100301 -- MIDDLE NORTH CANADIAN . OKLAHOMA .1.1100302; -- L01NER NORTH CANADIAN . OKLAHOMA .11100303 -- DEEP FORK . OKLAHOMA .

SUBREGION 1111 -- LOWER ARKANSAS : THE ARKANSAS RIVER BASIN BELOWKEYSTONE DAM TO THE POINT OF HIGHEST BACKWATEREFFECT OF THE MISSISSIPPI RIVER BELOW LOCK AND :DAMON THE ARKANSAS RIVER, BUT EXCLUDING THE CANADIAN,NEOSHO, AND VERDIGRIS RIVER BASINS . ARKANSAS,OKLAHOMA .

ACCOUNTING UNIT 111101 -- ROBERT S . KERR RESERVOIR : THE ARKANSASRIVER BASIN BELOW KEYSTONE DAM TO LOCK A9DDAM 13, BUT EXCLUDING THE CANADIAN,NEOSHO, AND VERDIGRIS RIVER BASINS .ARKANSAS . OKLAHOMA .

CATALOGING UNITS 11110101 -- POLECAT-SNAKE . OKLAHOMA .11110102 -- DIRTY-GREENLEAF . OKLAHOMA .11110103 -- ILLINOIS . ARKANSAS, OKLAHOMA .11110104 -- ROBERT S . KERR RESERVOIR .

ARKANSAS, OKLAHOMA .11110105 -- POTEAU . ARKANSAS, OKLAHOMA .

ACCOUNTING UNIT 111102 -- LOWER ARKANSAS-FOURCHE LA FAVE : THEARKANSAS RIVER BASIN BELOW LOCK AND DAM13 TO THE POINT OF HIGHEST BACKWATEREFFECT OF THE MISSISSIPPI RIVER BELOW LOCK

AND DAM 4 ON THE ARKANSAS RIVER .ARKANSAS .

CATALOGING 'UNITS 1.1110201 -- FROG-MULBERRY . ARKANSAS .1.1110202 -- DFLRDANELLE RESERVOIR . ARKANSAS .1.1110203 -- LAKE CONWAY-POINT REMOVE .

ARKANSAS .1.1110204 -- PETIT JEAN . ARKANSAS .1.1110205 -- CADRON . ARKANSAS .

1.1110206 -° FOURCHE LA FAVE . ARKANSAS .

1.1110207 -° LOWER ARKANSAS-MAUMELLE .ARKANSAS .

SUBREGION 1112 -- RED HEADWATERS : THE NORTH FORK RED RIVER,

A73

H Y D R O L O G I C

U N I T

C O D E S


PlUkIRIE DOG TOWN FORK RED RIVER, AND THE SALT FORKRED RIVER BASINS . NEW MEXICO, OKLAHOMA, TEXAS .

ACCOUNTING UNIT 111201 -- PRAIRIE. DOG TOWN FORK RED: THE PRAIRIE DOGTOWN FORK RED RIVER BASIN. NEW MEXICO,OKLAHOMA, TEXAS .

CATALOGING UNITS 11120101 -- TIERRA BLANCA . NEW MEXICO,TEXAS .

11120102 °- PALO DURO . NEW MEXICO, TEXAS .11120103 °° LIPPER PRAIRIE DOG TOWN FORK RED.

TEXAS .11120104 -° TULE . TEXAS .11120105 -° LOWER PRAIRIE DOG TOWN FORK RED.

OKLAHOMA, TEXAS .

ACCOUNTING UNIT 1112,02 -- SALT FORK RED : THE SALT FORK RED RIVER:BASIN . OKLAHOMA, TEXAS.

CATALOGING UNITS 11120201 -- UPPER SALT FORK RED . TEXAS.11120202 -- LOWER SALT FORK RED. OKLAHOMA,

TEXAS.

ACCOUNTING UNIT 111203 -- NORTH FORK RED: THE NORTH FORK RED RIVERBASIN . OKLAHOMA, TEXAS .

CATALOGING UNITS 11120301 -- UPPER NORTH FORK RED . TEXAS .11120302 -- MIDDLE NORTH FORK RED . OKLAHOMA,

TEXAS .11120303 -- LOWER NORTH FORK RED. OKLAHOMA .11120304 -- ELM FORK RED. OKLAHOMA, TEXAS .

SUBREGION 1113 -- RED - WASHITA : THE RED RIVER BASIN ABOVEDENISON DAM, EXCLUDING THE NORTH FORK REDRIVER, PRAIRIE DOG TOWN FORK RED RIVER, AND THESALT FORK :RED RIVER BASINS . OKLAHOMA, TEXAS .

ACCOUNTING UNIT 111301 -- RED-PEASE : THE RED RIVER BASINFROM THE PRAIRIE DOG TOWN FORK RED RIVERBASIN TO THE CACHE CREEK BASIN,EXCLUDING THE NORTH FORK RED RIVER AND THESALT FORK RED RIVER BASINS . OKLAHOMA,TEXAS .

CATALOGING UNITS 11130101 -- GROESBECK-SANDY . OKLAHOMA,TEXAS .

11130102 -- BLUE-CHINA. OKLAHOMA, TEXAS .11130103 ---NORTH PEASE . TEXAS .11130104 -- MIDDLE PEASE . TEXAS .

A74

H Y D R O L O G I C

U N I T

C O D E S


CATALOGING UNITS 11140101.--

1].130105 -- PEASE . TEXAS.

ACCOUNTING UNIT 111302! -- RED-LAKE TEXOMA : THE RED RIVER BASIN FROMAND INCLUDING THE CACHE CREEKBASIN TO DENISONDAM, INCLUDING THAT PORTION INUNDATED BYLAKE TEXOMA, BUT EXCLUDING THE WASHITARIVER BASIN . OKLAHOMA, TEXAS .

CATALOGING UNITS 17.130201 °- FARMERS-MUD . OKLAHOMA, TEXAS .17.130202--- CACHE . OKLAHOMA.17.130203 -- WEST CACHE. OKLAHOMA .17.130204 °- NORTH WICHITA. TEXAS .11.130205 -- SOUTH WICHITA. TEXAS.17.130206 °- WICHITA . TEXAS.1].130207 -- SOUTHERN BEAVER . TEXAS .17.130208 °- NORTHERN BEAVER . OKLAHOMA .17.130209 --- LITTLE WICHITA . TEXAS .17.130210--- LAKE TEXOMA . OKLAHOMA, TEXAS.

ACCOUNTING UNIT 111303 -- WASHITA . THE WASHITA RIVER BASIN,INCLUDING THAT PORTION INUNDATED BY LAKETEXOMA . OKLAHOMA.

CATALOGING UNITS 1':130301 -- WASHITA HEADWATERS . OKLAHOMA,TEXAS.

17.130302 --- UPPER WASHITA . OKLAHOMA .1L130303 °- MIDDLE WASHITA . OKLAHOMA .1L130304 --- LOWER WASHITA . OKLAHOMA .

SUBREGION 1114 -- RED-SULPHUR : THE RED RIVER BASIN BELOW DENISON DAMTO AND INCLUDING THE BAYOU RIGOLETTE BASIN AT THEPOINT OF HIGHEST 13ACKWATER EFFECT OF THEMISSISSIPPI RIVER . ARKANSAS, LOUISIANA,OKLAHOMA, TEXAS .

ACCOUNTING UNIT 111401 -- RED-LITTLE : THE RED RIVER BASIN BELOWDENISON DAM TO AND INCLUDING THE LITTLERIVER BASIN . ARKANSAS, OKLAHOMA,TEXAS .

11140102 --11140103 --11140104 --11140105 --11140106 --

BOIS D'ARC-ISLAM) . OKLAHOMA,,TEXAS .BLUE . OKLAHOMA .MUDDY BOGGY . OKLAHOMA .CLEAR BOGGY . OKLAHOMA .KIAMICHI . ARKANSAS, OKLAHOMA .PECAN-WATERHOLE . ARKANSAS,OKLAHOMA, TEXAS .

A7 5

H Y D R O L O G I C

U N I T

C O D E S


111401 ,07 -- UPPER LITTLE . OKLAHOMA .11140108 -- MOUNTAIN FORK . ARKANSAS, OKLAHOMA .11140109 -- LOWER LITTLE . .ARKANSAS, OKLAHOMA .

ACCOUNTING UNIT 111402 --- RED-SALINE : THE RED :RIVER BASIN BELOW'THE LITTLE RIVER BASIN TO ANDINCLUDING THE BAYOU RIGOLETTE BASIN AT 'THE',POINT OF HIGHEST BACKWATER EFFECT OF' THEMISSISSIPPI RIVER, EXCLUDING THE BIGCYPRESS AND SULPHUR :RIVER BASINS .ARKANSAS, LOUISIANA .

CATALOGING UNITS 11140201 -- MCKINNEY-POSTEN BAYOUS . ARKANSAS,LOUISIANA, TEXAS .

11140202 -- MIDDLE RED-COUSHATTA . LOUISIANA .11140203 -- LOGGY BAYOU . ARKANSAS, LOUISIANA.11140204 -- RED CHUTE . LOUISIANA .11140205 -- BODCAU BAYOU . ARKANSAS, LOUISIANA.11140206 -- BAYOU PIERRE . LOUISIANA .11140207 -- LOWER RED-LAKE IATT . LOUISIANA. .11140208 -- SALINE BAYOU . LOUISIANA .11140209 -- BLACK LAKE BAYOU . LOUISIANA.

ACCOUNTING UNIT 111403 --- BIG CYPRESS - SULPHUR . THE CROSS BAYOU ANDSULPHUR RIVER BASINS,, INCLUDINGTHE BIG CYPRESS CREEK BASIN .ARKANSAS, LOUISIANA .

CATALOGING UNITS 11140301 -- SULPHUR HEADWATERS . TEXAS.11140302 -- LOWER SULPHUR . ARKANSAS, TEXAS .11140303 -- 'WHITE OAK BAYOU . TEXAS .11140304 -- CROSS BAYOU . ARKANSAS, LOUISIANA,

'TEXAS .11140305 -- LAKE O'THE PINES. TEXAS .11140306 -- CADDO LAKE . LOUISIANA, TEXAS .11140307 -- 'LITTLE CYPRESS. TEXAS .

REGION 12 TEXAS-GULF REGION --- THE ]DRAINAGE THAT DISCHARGES INTO THEGULF OF MEXICO FROM AND INCLUDING SABINE PASS TOTHE RIO GRANDE BASIN BOUNDARY . INCLUDES PARTS OFLOUISIANA, N]EW MEXICO, AND TEXAS .

SUBREGION 1201 -- SABINE : THE SABINE RIVER BASIN ABOVE SABINE LAKI'-LOUISIANA, TEXAS .

ACCOUNTING UNIT 120100 ---- SABINE . LOUISIANA, TEXAS .

A7 6

H Y D R O L O G I C

U N I T

C O D E S

ACCOUNTING UNIT 120200 --- NECHES . TEXAS .


CATALOGING UNITS 3.2010001 -- UPPER SABINE . TEXAS.1.2010002 -- MIDDLE SABINE . LOUISIANA, TEXAS .1.2010003 -- LAKE FORK . TEXAS.1.2010004 -- TOLEDO BEND RESERVOIR. LOUISIANAL,

TEXAS .1.2010005 -- LOWER SABINE . LOUISIANA, TEXAS.

SUBREGION 1202 -- NECHES : THE NECHES RIVER BASIN ABOVE SABINE LAKE .TEXAS .

CATALOGING UNITS 12020001 -- UPPER NECHES . TEXAS.12020002 °- MIDDLE NECHES . TEXAS .12020003 -- LOWER NECHES . TEXAS .12020004 °- UPPER ANGELINA . TEXAS .12020005, -- LOWER ANGELINA . TEXAS .:1202000EI -- VILLAGE . TEXAS .12020007 -- PINE ISLAND BAYOU . TEXAS .

SUBREGION 1203 -- TRINITY : THE TRINITY RIVER BASIN ABOVE TRINITYBAY . TEXAS .

ACCOUNTING UNIT 120301 -- UPPER TRINITY : THE TRINITY RIVER BASINABOVE AND INCLUDING THE RICHLAND CREEKBASIN. TEXAS .

CATALOGING UNITS 12030101 --1203010:'. --1203010:3 -12030104 --12030105 --12030106 -12030107 --1203010!3 --1203010!3 --

UPPER WEST FORK TRINITY . TEXAS .LOWER WEST FORK TRINITY . TEXAS .ELM FORK TRINITY . TEXAS .DENTON . TEXAS .UPPER TRINITY . TEXAS .EAST FORK TRINITY . TEXAS.CEDAR . TEXAS .RICHLAND . TEXAS .CHAMBERS . TEXAS .

ACCOUNTING UNIT 120302 -- LOWER TRINITY : THE TRINITY RIVER BASIN

BELOW THE RICHLAND CREEK BASIN TO BUT

EXCLUDING TRINITY BAY. TEXAS .

CATALOGING UNITS 12030201 -- LOWER TRINITY-TEHUACANA . TEXAS .,

12030202 -- LOWER TRINITY-KICKAP00 . TEXAS .12030203 -- LOWER TRINITY . TEXAS.

SUBREGION 1204 -- GALVESTON BAY-SAN JACINTO : THE COASTAL DRAINAGE

AND ASSOCIATED WATERS FROM AND INCLUDING SABINE

PASS TO THE BRAZOS RIVER BASIN BOUNDARY, BUT

EXCLUDING THE NECHES AND SABINE RIVER BASINS ABOVE

A77

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND ;NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

SABINE LAKE AND 'THE TRINITY RIVER BASIN ABOVETRINITY BAY . LOUISIANA, TEXAS .

ACCOUNTING UNIT 120401 -- SAN JACINTO : THE SAN JACINTO RIVER BASINABOVE GALVESTON BAY . TEXAS .

CATALOGING UNITS 1.2040101 -- WIEST FORK SAN JACINTO . TEXAS .1.2040102 -- SPRING . TEXAS .1.2040103 --- EAST FORK SAN JACINTO . TEXAS .1.2040104 -- BUFFALO-SAN JACINTO . TEXAS .

ACCOUNTING UNIT 120402 -- GALVESTON BAY-SABINE LAKE : THE COASTALDRAINAGE AND ASSOCIATED WATERS FROM ANDINCLUDING SABINE' PASS TO THE BRAZOS RIVERBASIN BOUNDARY, BUT EXCLUDING THE NECHESAND SABINE RIVER BASINS ABOVE SABINE LAKE,THE TRINITY RIVER BASIN ABOVE TRINITYBAY, AND THE SAN JACINTO RIVER BASIN ABOVEGALVESTON BAY: LOUISIANA, TEXAS .

CATALOGING UNITS 12040201 --- SABINE LAKE . LOUISIANA, TEXAS.12040202 --- EAST GALVESTON BAY. TEXAS .12040203 --- NORTH GALVESTON BAY. TEXAS.12040204 --- WIEST GALVESTON BAY . TEXAS .12040205 --- AUSTIN-OYSTER . TEXAS.

SUBREGION 1205 -- BRAZOS HEADWATERS : THE BRAZOS RIVER BASIN ABOVE THECONFLUENCE OF AND INCLUDING THE DOUBLE MOUNTAIN FORKBRAZOS RIVER AND THE SALT FORK BRAZOS RIVER BASINS .NEW MEXICO, TEXAS.

ACCOUNTING UNIT 120500 -- BRAZOS HEADWATERS . NEW MEXICO, TEXAS.

CATALOGING UNITS 12050001 --- YELLOW HOUSE DRAW . NEW MEXICO,TEXAS .

12050002 --- BLACKWATER DRAW . NEW MEXICO, TEXAS .12050003 -- NORTH FORK DOUBLE MOUNTAIN FORK

BRAZOS . TEXAS .12050004 -- DOUBLE MOUNTAIN FORK BRAZOS . TEXAS .12050005 -- RUNNING WATER DRAW . NEW MEXICO,

TEXAS .12050006 -- WHITE . TEXAS .12050007 -- SALT FORK BRAZOS . TEXAS .

SUBREGION 1206 -- MIDDLE BRAZOS : THE BRAZOS RIVER BASIN BELOW THECONFLUENCE OF THE; DOUBLE MOUNTAIN FORK BRAZOS RIVERAND 'THE SALT FORK: BRAZOS RIVER BASINS TO ANDINCLUDING THE CAS~TLEMAN CREEK BASIN .TEXAS .

A7 8

H Y D R O L O G I C

U N I T

C O D E S


ACCOUNTING UNIT 120601 -- MIDDLE BRAZOS-CLEAR FORK : THE BRAZOS RIVER.BASIN BELOW THE CONFLUENCE OF THE DOUBLEMOUNTAIN FORK BRAZOS RIVER AND THESALT FORK BRAZOS RIVER BASINS TO ANDINCLUDING THE CLEAR FORK BRAZOS RIVERBASIN . TEXAS.

CATALOGING UNITS 12060101 --- MIDDLE BRAZOS-MILLERS . TEXAS .12060102 --- UPPER CLEAR FORK BRAZOS . TEXAS .1206010'.3 -- PAINT . TEXAS.12060104 -- LOWER CLEAR FORK BRAZOS . TEXAS .12060105 -- HUBBARD . TEXAS .

ACCOUNTING UNIT 120602 -- MIDDLE BRAZOS-BOSQUE : THE BRAZOS RIVERBASIN BELOW THE CLEAR FORK BRAZOSRIVER BASIN TO AND INCLUDING THECASTLEMAN CREEK BASIN . TEXAS .

CATALOGING UNITS 12,06020 :1.-- MIDDLE BRAZOS-PALO PINTO. TEXAS .12060202.-- MIDDLE BRAZOS-LAKE WHITNEY . TEXAS .12060203 -- BOSQUE . TEXAS .12060204 : -- NORTH BOSQUE . TEXAS.

SUBREGION 1207 -- LOWER BRAZOS : THE BRAZOS RIVER BASIN BELOWTHE CASTLEMAN CREEK BASIN .TEXAS .

ACCOUNTING UNIT 120701 .

CATALOGING UNITS 1207010]. --- LOWER BRAZOS-LITTLE BRAZOS . TEXAS .1,2070102 --- YEGUA . TEXAS .1207010:3 --- NAVASOTA . TEXAS .12070104 --- LOWER BRAZOS . TEXAS .

ACCOUNTING UNIT 120702 -- LITTLE : THE LITTLE RIVER BASIN . TEXAS .

CATALOGING UNITS 12070201 --- LEON . TEXAS.1207020'2. -- COWHOUSE . TEXAS .12070203 --- LAMPASAS . TEXAS .12070204 °- LITTLE . TEXAS .1207020!i --- SAN GABRIEL . TEXAS.

SUBREGION 1208 -- UPPER COLORADO : THE COLORADO RIVER BASIN ABOVE ANDINCLUDING THE OAR: CREEK BASIN . ;NEW MEXICO,TEXAS .

A79

-- LOWER BRAZOS : THE BRAZOS RIVER BASINBELOW THE CASTLEMAN CREEKBASIN, EXCLUDING THE LITTLERIVER BASIN . TEXAS.

H Y D R 0 1, 0 G I C

U N I T

C O D E S


ACCOUNTING UNIT 120800 -°- UPPER COLORADO . NEW MEXICO, TEXAS.

CATALOGING UNITS 12080(101 --- LOST DRAW . NEW MEXICO, TEXAS.1208OC102 --- COLORADO HEADWATERS . TEXAS.1208OC103 -- MONUMENT-SEMINOLE DRAWS .

NEW MEXICO, TEXAS .1208OC104 -- MUSTANG DRAW . NEW MEXICO, TEXAS.120800105 -- JOHNSON DRAW . TEXAS .12080006 --- SULPHUR SPRINGS DRAW . NEW MEXICO,

TEXAS .12080007 --- BEALS . TEXAS.12080008 --- UPPER COLORADO . TEXAS .

SUBREGION 1209 --- LOWER COLORADO-SAN BERNARD COASTAL : THE COLORADORIVER BASIN BELOW THE OAK CREEKBASIN ; AND THE' COASTAL DRAINAGE ANDASSOCIATED WATERS FROM THE BRAZOS RIVER BASINBOUNDARY TO THE COLORADO RIVER BASIN BOUNDARY .TEXAS .

ACCOUNTING UNIT 120901 --- MIDDLE COLORADO-CONCHO : THE COLORADORIVER. BASIN BELOW THE OAKCREEK BASIN TO AND :INCLUDINGTHE SAN SABA RIVER BASIN. TEXAS .

CATALOGING UNITS 12090101 -- MIDDLE COLORADO-ELM . TEXAS.12090102 -- SOUTH CONCHO . TEXAS .12090103 -- MIDDLE CONCHO . TEXAS .12090104 -- NORTH CONCHO . TEXAS .12090105 -- CONCHO . TEXAS .12090106 -- MIDDLE COLORADO . TEXAS.12090107 - PECAN BAYOU . TEXAS .12090108 - JIM NED . TEXAS .12090109 -- SAN SABA . TEXAS.12090110 -- BRADY . TEXAS .

ACCOUNTING UNIT 120902 ---

CATALOGING UNITS 12090201 -- BUCHANAN-LYNDON B . JOHNSON LAKES �TEXAS .

12090202 -- NORTH LLANO . TEXAS.12090203 -- SOUTH LLANO . TEXAS .12090204 -- LLANO . TEXAS .12090205 -- AUSTIN-TRAVIS LAKES . TEXAS .12090206 -- PEDERNALES . TEXAS .

A80

MIDDLE COLORADO-LLANO : THE COLORADO RIVERBASIN BELOW THE SAN SABARIVER BASIN TO AND INCLUDING THEONION CREEK BASIN . TEXAS .

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS .AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

ACCOUNTING UNIT 120903 -- LOWER COLORADO : THE COLORADO RIVER BASINBELOW THE ONION CREEKBASIN TO ITS POINT OF DISCHARGEINTO THE GULF OF MEXICO . TEXAS .

CATALOGING UNITS 12090301 -- LOWER COLORADO-CUMMINS . TEXAS .12090302 -- LOWER COLORADO . TEXAS .

ACCOUNTING UNIT 120904 -- SAN BERNARD COASTAL : THE COASTAL DRAINAGEAND ASSOCIATED WATERS FROM THE BRAZOSRIVER BASIN BOUNDARY TO THE COLORADORIVER BASIN BOUNDARY . TEXAS .

CATALOGING UNITS 12090401 --- SAN BERNARD . TEXAS .12090402 --- EAST MATAGORDA BAY . TEXAS .

SUBREGION 1210 -- CENTRAL TEXAS COASTAL : THE COASTAL DRAINAGE ANDASSOCIATED 'WATERS FROM THE COLORADO RIVER BASINBOUNDARY TO ARANSAS PASS AND THE CORPUS CHRISTIBAY DRAINAGE BOUNDARY . TEXAS .

ACCOUNTING UNIT 121001 -- LAVACA : THE LAVACA RIVER BASIN . TEXAS .

CATALOGING UNITS 12:100101 --- LAVACA . TEXAS .12100102 -° NAVIDAD . TEXAS .

ACCOUNTING UNIT 121002 -- GU'ADALUPE : THE GUADALUP:E RIVER BASIN,EXCLUDING THE SAN ANTONIO RIVER BASIN.TEXAS .

CATALOGING UNITS 12100201. --- UPPER GUADALUPE . TEXAS.12100202 --- MIDDLE GUADALUPE . TEXAS.12100203 --- SAN MARCOS . TEXAS .12100204 °-- LOWER GUADALUPE . TEXAS .

ACCOUNTING UNIT 121003 -- SAN ANTONIO : THE SAN ANTONIO RIVER BASIN .TEXAS .

CATALOGING UNITS 121003071--- UPPER SAN ANTONIO . TEXAS.1210030.? --- MEDINA . TEXAS .1210030,'3 --- LOWER SAN ANTONIO . TEXAS.12100304 --- CIBOLO . TEXAS .

ACCOUNTING UNIT 121004 -- CENTRAL TEXAS COASTAL : THE COASTALDRAINAGE AND ASSOCIATED WATERS FROM THECOLORADO RIVER BASIN BOUNDARY TOARANSAS PASS AND THE CORPUS CHRISTI BAYDRAINAGE BOUNDARY, EXCLUDING THE GUADALUPE

A81

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONSAND

NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

LAVACA, AND SAN ANTONIO RIVER BASINS .TEXAS �

CATALOGING UNITS 12100401 -- CENTRAL MATAGORDA BAY . TEXAS .12100402 -- WEST MATAGORDA, BAY. TEXAS .12100403 -- EAST SAN ANTONIO BAY . TEXAS .12100404 -- WEST SAN ANTONIO BAY . TEXAS .12100405 -- ARANSAS BAY . TEXAS.12100406 -- MISSION . TEXAS .12100407 --- ARANSAS . TEXAS .

SUBREGION 1211 -- NUECES-SOUTHWESTERN TEXAS COASTAL : THE COASTALDRAINAGE AND ASSOCIATED WATERS FROM ARANSAS PASS,INCLUDING THE CORPUS CHRISTI BAY AND NUECES RIVERDRAINAGE'S � TO THE RIO GRANDE BASIN BOUNDARY .TEXAS.

ACCOUNTING UNIT 121101 --- NUECES : THE NUECES RIVER BASIN . TEXAS .

CATALOGING UNITS 12110101 ---- NUECES HEADWATERS . TEXAS .12110102 --- WEST NUECES . TEXAS .12110103 -° UPPER NUECES . TEXAS .12110104 -- TURKEY . TEXAS .12110105 -- MIDDLE NUECES . TEXAS .12110106 --- UPPER FRIO . TEXAS .12110107 --- HONDO . TEXAS .12110108 --- LOWER FRIO . TEXAS .12110109 -° SAN MIGUEL . TEXAS.1211013_0 --- ATASCOSA . TEXAS .1211013_1 --- LOWER NUECES . TEXAS.

ACCOUNTING UNIT 121102 --- SOUTHWESTERN TEXAS COASTAL : THE COASTALDRAINAGE AND ASSOCIATED WATERS FROMARANSAS PASS, INCLUDING THE CORPUS CHRISTIBAY DRAINAGE, TO THE RIO GRANDE BASINBOUNDARY, EXCLUDING THE NUECES RIVERBASIN . TEXAS .

CATALOGING UNITS 12110201 -° NORTH CORPUS CHRISTI BAY . TEXAS.12110:202 --- SOUTH CORPUS CHRISTI BAY . TEXAS.12110203 -° NORTH LAGUNA MADRE. TEXAS .12110204 -- SAN FERNANDO .'TEXAS .12110205 --- BAFFIN BAY . TEXAS.12110206 --- PALO BLANCO . TEXAS.12110207 -- CENTRAL LAGUNA MADRE . TEXAS .12110208 --- SOUTH LAGUNA MADRE. TEXAS.

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESU:IPTIGNS AND NAMES OF REGIONS, SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

REGION 13 RIO GRANDE REGION --- THE DRAINAGE WITHIN THE UNITED STATES OF(A) THE RIO GRANDE BASIN, AND (B) THE SAN LUIS VALLEY, NORTHPLAINS, PLAINS OF SAN AGUSTIN, MIMBRES RIVER, ESTANCIA,JORNADA DEL MUERTO, TULAROSA VALLEY, SALT BASIN, AND OTHER

CLOSED BASINS � INCLUDES PARTS OF COLORADO, NEW MEXICOAND TEXAS .

SUBREGION 1301 -- RIO GRANDE HEADWATERS : THE RIO GRANDE BASIN FROM

ITS HEADWATERS TO THE RIVER'S INTERSECT WITH THECOLORADO-NEW MEXICO STATE LINE, INCLUDING THE SAN

LUIS VALLEY CLOSED BASIN . COLORADO, NEW MEXICO .

ACCOUNTING UNIT 130100 -- RIO GRANDE HEADWATERS . COLORADO,NEW MEXICO .

CATALOGING UNITS 13010001. -- RIO GRANDE HEADWATERS . COLORADO .13010002: -- .LLAMOSA-TRINCHERA . COLORADO,

NEW MEXICO .13010003 -- SAN LUIS . COLORADO .13010004 -- SAGUACHE . COLORADO .13010005 -- CONEJOS . COLORADO, NEW MEXICO .

SUBREGION 1302 -- RIO GRANDE--ELEPHANT BUTTE : THE RIO GRANDE BASINFROM THE COLORADO-NEW MEXICO STATE LINE TO ANDINCLUDING ELEPHANT BUTTE RESERVOIR, AND INCLUDINGTHE NORTH PLAINS, JORNADA DEL MUERTO, AND PLAINS OF

SAN AGUSTIN CLOSED BASINS . COLORADO, NEW MEXICO .

ACCOUNTING UNIT 130201 -- 'UPPER RIO GRANDE : THE RIO GRANDE BASINFROM THE COLORADO-NEW MEXICO STATE LINETO AND INCLUDING THE GUAJE CANYON DRAINAGE

BASIN . COLORADO, NEW MEXICO .

CATALOGING UNITS 13020101 -- UPPER RIO GRANDE . COLORADO,NEW MEXICO .

1302010:? -- RIO CHAMA . COLORADO, NEW MEXICO .

ACCOUNTING UNIT 130202 -- RIO GRANDE-ELEPHANT BUTTE : THE RIO GRANDEBASIN BELOW THE GUAJE. CANYON DRAINAGEBASIN TO AND INCLUDING ELEPHANT BUTTERESERVOIR, AND INCLUDING THE NORTH PLAINS,JORNADA DEL MUERTO, AND PLAINS OF SAN

AGUSTIN CLOSED BASINS . NEW MEXICO .

CATALOGING UNITS 130202,0 :1. -- RIO GRANDE-SANTA FE . NEW MEXICO .130202,02, -- JEMEZ . NEW MEXICO .130202,0 .3 -- RIO GRANDE-ALBUQUERQUE .

NEW MEXICO .13020204 -- RIO PUERCO . NEW MEXICO .

A83

H Y D R O L O G I C

U N I T

C O D E S


13020205 -- ARROYO CHICO . NEW MEXICO .130202(16 -- NORTH PLAINS . NEW MEXICO .13020207 -- RIO SAN JOSE . NEW MEXICO .13020208 -- PLAINS OF SAN AGUSTIN .

NEW MEXICO .13020209 -- RIO SALADO . NEW MEXICO .1302021.0 -- JORNADA DEL MUERTO . NEW MEXICO .1302021.1 -- ELEPHANT BUTTE RESERVOIR .

NEW MEXICO .

SUBREGION

1303 -- RIO GRANDE-MIMBRES : THE DRAINAGE- WITHIN THEUNITED STATES OF THE RIO GRANDE , BASIN FROM ELEPHANTBUTTE RESERVOIR TO THE JUNCTION OF THE MEXICO,NEW MEXICO, AND TEXAS INTERNATIONAL BOUNDARY,

AND

INCLUDING THE JORNADA DRAW, MIMBRES RIVER, ANDOTHER CLOSED BASINS WEST OF THE RIO GRANDE .NEW MEXICO, TEXAS .

ACCOUNTING UNIT 130301 -- RIO GRANDE-CABALLO : THE DRAINAGE WITHINTHE UNITED STATES OF THE RIO GRANDE BASINFROM ELEPHANT BUTTE RESERVOIR TO THE.'UNCTION OF THE MEXICO, NEW MEXICO, ANDTEXAS INTERNATIONAL BOUNDARY, ANDINCLUDING THE JORNADA DRAW CLOSED BASIN .NEW MEXICO, TEXAS .

CATALOGING UNITS 130301 ,01 -- CABALLO . NEW MEXICO .13030102 -- EL PASO-LAS CRUCES . NEW MEXICO,

TEXAS .13030103 -- JORNADA DRAW . NEW MEXICO .

ACCOUNTING UNIT 130302 --- MIMBRIES : THE DRAINAGE WITHIN THEUNITED STATES OF THE: MIMBRES RIVER ANDOTHER CLOSED BASINS WEST OF THE RIO GRANDE19EW MEXICO .

CATALOGING UNITS 13030201 -- PLAYAS LAKE . NEW MEXICO .130302132 -- MIMBRES . NEW MEXICO .

SUBREGION 1304 -- RIO GRANDE-AMISTAD : THE DRAINAGE WITHIN THEUNITED STATES OF THE RIO GRANDE BASIN FROM THEJUNCTION OF THE MEXICO, NEW MEXICO, AND TEXASINTERNATIONAL I3OUNDARY TO AND INCLUDING AMISTADRESERVOIR, BUT EXCLUDING THE PECOS RIVER BASIN �TEXAS .

ACCOUNTING UNIT 130401 --- RIO GRANDE-FORT QUITMAN : THE DRAINAGEWITHIN THE UNITED STATES OF THE RIO GRANDE .BASIN FROM THE JUNCTION OF THE MEXICO,

A84

H Y D R O L O G I C

U N I T

C O D E S

BOUNDARY DESCRIPTIONS AND NAMES OF REGIONS � SUBREGIONS,ACCOUNTING UNITS AND CATALOGING UNITS (CONTINUED)

NEW MEXICO, AND TEXAS INTERNATIONALBOUNDARY TO THE COMPACT POINT NEAR FORTQUITMAN . TEXAS .

CATALOGING UNIT

13040100 -- RIO GRANDE-FORT QUITMAN . TEXAS.

ACCOUNTING UNIT 130402 -- RIO GRANDE-AMISTAD : THE DRAINAGEWITHIN THE UNITED STATES OF THE RIO GRANDE

BASIN FROM THE COMPACT POINT NEAR FORTQUIL'MAN 7'0 AND INCLUDING AMISTAD RESERVOIRBUT EXCLUDING THE PECOS AND DEVILS RIVER

BASINS . TEXAS .

CATALOGING UNITS 13040203.--- CIBOLO-RED LIGHT . TEXAS .13040202 --- ALAMITO . TEXAS.13040203 --- BLACK HILLS-FRESNO . TEXAS .13040204 --- TERLINGUA . TEXAS.13040205 --- BIC; BEND . TEXAS .13040206 --- MARAVILLAS . TEXAS .1304020) --- SANTIAGO DRAW . TEXAS .13040208 --- REAGAN-SANDERSON . TEXAS .13040205) --- SAN FRANCISCO . TEXAS .13040210 --- LOZIER CANYON . TEXAS .13040211 --- BIG CANYON . TEXAS .13040212 -- AMISTAD RESERVOIR . TEXAS .

ACCOUNTING UNIT 130403 -- DEVILS : rHE DEVILS RIVER BASIN . TEXAS .

CATALOGING UNITS 13040301 -- UPPER DEVILS . TEXAS.13040302 -- LOWER DEVILS . TEXAS .13040303 -- DRY DEVILS . TEXAS .

SUBREGION 1305 -- RIO GRANDE CLOSED BASINS : THE ESTANCIA, TULAROSAVALLEY, SALT BASIN AND OTHER CLOSED BASINS LYINGBETWEEN THE; RIO GRANDE AND THE PECOS RIVERBASINS . NEW MEXICO, TEXAS.

ACCOUNTING UNIT 130500 -- RIO GRANDE CLOSED BASINS . NEW MEXICO,TEXAS .

CATALOGING UNITS 1-11050003 . -- WESTERN ESTANCIA . NEW MEXICO .1_1050001! -- EASTERN ESTANCIA . NEW MEXICO .13050003 -- TULAROSA VALLEY . NEW MEXICO, TEXAS.13050004 -- SALT BASIN . NEW MEXICO, TEXAS .

SUBREGION 1306 -- UPPER PECOS : THE PECOS RIVER BASIN TO BUTEXCLUDING THE DELAWARE RIVER BASIN .NEW MEXICO, TEXAS .

A85

H Y D R O L O G I C

U N I T

C O D E S


ACCOUNTING UNIT 130600 --- UPPER PECOS . NEW MEXICO, TEXAS .

CATALOGING UNITS 13060001 -- PECOS HEADWATERS . NEW MEXICO .13060002 -- PINTADA ARROYO . NEW MEXICO .13060003 -- UPPER PECOS . NEW MEXICO .13060004 -- TAIBAN . NEW MEXICO .13060005 -- ARROYO DEL MACHO . NEW MEXICO .13060006 -- GALLO ARROYO . NEW MEXICO .13060007 -- UPPER PECOS-LONG ARROYO . NEW MEXICO .130600,08 -- RIO HONDO . NEW MEXICO .13060009 -- RIO FELIX . NEW MEXICO .13060010--- RIO PENASCO . NEW MEXICO .13060011 -- UPPER PECOS-BLACK. NEW MEXICO,

TEXAS .

SUBREGION 1307 -- LOWER PEC:OS : THE PECOS RIVER BASIN FROM ANDINCLUDING THE DELAWARE RIVER BASIN TO THECONFLUENCE WITH THE RIO GRANDE . NEW MEXICO,TEXAS .

ACCOUNTING UNIT 130700 -° LOWER: PECOS . NEW MEXICO, TEXAS .

CATALOGING UNITS 13070001 --- LOWER PECOS-RED BLUFF RESERVOIR: .NEW MEXICO, TEXAS.

13071DO02 --- DELAWARE . NEW MEXICO, TEXAS.13070003 -- TOYAH . TEXAS .13070004 -- SALT DRAW . TEXAS.13070005 --- BARRILLA DRAW . TEXAS .130700'06 --- COYANOSA-HACKBERRY DRAWS. TEXAS .13070007 --- LANDRETH-MONUMENT DRAWS . NEW MEXICO,

TEXAS.13070008 ---- LOWER PECOS. TEXAS .13070009 --- TUNAS. TEXAS .13070010 ---- INDEPENDENCE . TEXAS.13070011 ---- HOWARD DRAW . TEXAS.

SUBREGION 1308 -- RIO GRANDE-FALCON : THE DRAINAGE WITHINTHE UNITED STATES OF THE RIO GRANDE BASIN FROMAMISTAD RESERVOIR TO AND INCLUDING FALCONRESERVOIR . TEXAS.

ACCOUNTING UNIT 130800 ---- RIO GRANDE-FALCON . TEXAS .

CATALOGING UNITS 13080001 --- ELM-SYCAMORE . TEXAS .13080002 --- SAN AMBROSIA-SANTA ISABEL . TEXAS .13080003 --- INTERNATIONAL FALCON RESERVOIR .

TEXAS .

SUBREGION 1309 -- LOWER R.IO GRANDE : THE DRAINAGE WITHIN THE

A8 6

GSC 878-A - Codes for the Identification of Hydrologic Units in the United States and the Caribbean Outlying AreasHydrologic unit codes-Boundary descriptions and names of regions, subregions, accounting; units, and cataloging units

a u.s. geological survey data standard codes for ......a u.s. geological survey data standard codes...

Documents