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- Region 16 Great Basin Region -- The drainage of the Great Basin that
- discharges into the states of Utah and Nevada. Includes Parts
- of California, Idaho, Nevada, Oregon, Utah, and Wyoming.
-
-
- Subregion 1601 -- Bear: The Bear River Basin. Idaho, Utah, Wyoming.
- Area = 7310 sq.mi.
-
- Accounting Unit 160101 -- Upper Bear: The Bear River Basin above
- Stewart Dam. Idaho, Utah, Wyoming.
- Area = 2800 sq.mi.
-
- Cataloging Units 16010101 -- Upper Bear. Utah, Wyoming.
- Area = 1970 sq.mi.
- 16010102 -- Central Bear. Idaho, Utah, Wyoming.
- Area = 834 sq.mi.
-
- Accounting Unit 160102 -- Lower Bear: The Bear River Basin below
- Stewart Dam. Idaho, Utah.
- Area = 4510 sq.mi.
-
- Cataloging Units 16010201 -- Bear Lake. Idaho, Utah.
- Area = 1220 sq.mi.
- 16010202 -- Middle Bear. Idaho, Utah.
- Area = 1210 sq.mi.
- 16010203 -- Little Bear-Logan. Idaho, Utah.
- Area = 928 sq.mi.
- 16010204 -- Lower Bear-Malad. Idaho, Utah.
- Area = 1150 sq.mi.
-
-
- Subregion 1602 -- Great Salt Lake: The Great Salt Lake Basin
- excluding the Bear River Basin. Idaho, Nevada,
- Utah, Wyoming.
- Area = 28700 sq.mi.
-
- Accounting Unit 160201 -- Weber: The Weber River Basin. Utah,
- Wyoming.
- Area = 2430 sq.mi.
-
- Cataloging Units 16020101 -- Upper Weber. Utah, Wyoming.
- Area = 1170 sq.mi.
- 16020102 -- Lower Weber. Utah.
- Area = 1260 sq.mi.
-
- Accounting Unit 160202 -- Jordan: The Jordan River Basin. Utah.
- Area = 3830 sq.mi.
-
- Cataloging Units 16020201 -- Utah Lake. Utah.
- Area = 1340 sq.mi.
- 16020202 -- Spanish Fork. Utah.
- Area = 993 sq.mi.
- 16020203 -- Provo. Utah.
- Area = 710 sq.mi.
- 16020204 -- Jordan. Utah.
- Area = 791 sq.mi.
-
- Accounting Unit 160203 -- Great Salt Lake: The Great Salt Lake
- Basin, excluding the Bear, Weber, and
- Jordan River Basins. Idaho, Nevada,
- Utah.
- Area = 22400 sq.mi.
-
- Cataloging Units 16020301 -- Hamlin-Snake Valleys. Nevada, Utah.
- Area = 3100 sq.mi.
- 16020302 -- Pine Valley. Utah.
- Area = 732 sq.mi.
- 16020303 -- Tule Valley. Utah.
- Area = 928 sq.mi.
- 16020304 -- Rush-Tooele Valleys. Utah.
- Area = 1180 sq.mi.
- 16020305 -- Skull Valley. Utah.
- Area = 798 sq.mi.
- 16020306 -- Southern Great Salt Lake Desert.
- Nevada, Utah.
- Area = 5420 sq.mi.
- 16020307 -- Pilot-Thousand Springs, Nevada,
- Utah.
- Area = 1780 sq.mi.
- 16020308 -- Northern Great Salt Lake Desert.
- Nevada, Utah.
- Area = 4650 sq.mi.
- 16020309 -- Curlew Valley. Idaho, Utah.
- Area = 1930 sq.mi.
- 16020310 -- Great Salt Lake. Utah.
- Area = 1880 sq.mi.
-
-
- Subregion 1603 -- Escalante Desert-Sevier Lake: The Escalante Desert
- and the Sevier Lake closed basins. Nevada, Utah.
- Area = 16200 sq.mi.
-
- Accounting Unit 160300 -- Escalante Desert-Sevier Lake: Nevada,
- Utah.
- Area = 16200 sq.mi.
-
- Cataloging Units 16030001 -- Upper Sevier. Utah.
- Area = 1180 sq.mi.
- 16030002 -- East Fork Sevier. Utah.
- Area = 1250 sq.mi.
- 16030003 -- Middle Sevier. Utah.
- Area = 1850 sq.mi.
- 16030004 -- San Pitch. Utah.
- Area = 858 sq.mi.
- 16030005 -- Lower Sevier. Utah.
- Area = 3970 sq.mi.
- 16030006 -- Escalante Desert. Nevada,
- Utah.
- Area = 3270 sq.mi.
- 16030007 -- Beaver Bottoms-Upper Beaver. Utah.
- Area = 1720 sq.mi.
- 16030008 -- Lower Beaver. Utah.
- Area = 746 sq.mi.
- 16030009 -- Sevier Lake. Utah.
- Area = 1330 sq.mi.
-
-
- Subregion 1604 -- Black Rock Desert-Humboldt: The Humboldt River
- Basin, the Black Rock Desert, and other closed
- basins that discharge into
- Northwestern Nevada. California, Nevada, Oregon.
- Area = 28300 sq.mi.
-
- Accounting Unit 160401 -- Humboldt: The Humboldt River Basin.
- Nevada.
- Area = 16700 sq.mi.
-
- Cataloging Units 16040101 -- Upper Humboldt. Nevada.
- Area = 2720 sq.mi.
- 16040102 -- North Fork Humboldt. Nevada.
- Area = 988 sq.mi.
- 16040103 -- South Fork Humboldt. Nevada.
- Area = 1270 sq.mi.
- 16040104 -- Pine. Nevada.
- Area = 985 sq.mi.
- 16040105 -- Middle Humboldt. Nevada.
- Area = 3180 sq.mi.
- 16040106 -- Rock. Nevada.
- Area = 888 sq.mi.
- 16040107 -- Reese. Nevada.
- Area = 2310 sq.mi.
- 16040108 -- Lower Humboldt. Nevada.
- Area = 2590 sq.mi.
- 16040109 -- Little Humboldt. Nevada.
- Area = 1740 sq.mi.
-
- Accounting Unit 160402 -- Black Rock Desert: The Black Rock Desert
- and other closed basins that
- discharge into Northwestern Nevada.
- California, Nevada, Oregon.
- Area = 11600 sq.mi.
-
- Cataloging Units 16040201 -- Upper Quinn. Nevada, Oregon.
- Area = 3480 sq.mi.
- 16040202 -- Lower Quinn. Nevada.
- Area = 3230 sq.mi.
- 16040203 -- Smoke Creek Desert. California,
- Nevada.
- Area = 2430 sq.mi.
- 16040204 -- Massacre Lake. California, Nevada,
- Area = 1300 sq.mi.
- 16040205 -- Thousand-Virgin. Nevada, Oregon.
- Area = 1150 sq.mi.
-
-
- Subregion 1605 -- Central Lahontan: The Central Lahontan Basin
- Consisting of the Carson, Truckee, and Walker River
- Basins. California, Nevada.
- Area = 12500 sq.mi.
-
- Accounting Unit 160501 -- Truckee: The Truckee River Basin.
- California, Nevada.
- Area = 4710 sq.mi.
-
- Cataloging Units 16050101 -- Lake Tahoe. California, Nevada.
- Area = 505 sq.mi.
- 16050102 -- Truckee. California, Nevada.
- Area = 1190 sq.mi.
- 16050103 -- Pyramid-Winnemucca Lakes. Nevada.
- Area = 1370 sq.mi.
- 16050104 -- Granite Springs Valley. Nevada.
- Area = 1640 sq.mi.
-
- Accounting Unit 160502 -- Carson: The Carson River Basin.
- California, Nevada.
- Area = 3930 sq.mi.
-
- Cataloging Units 16050201 -- Upper Carson. California, Nevada.
- Area = 934 sq.mi.
- 16050202 -- Middle Carson. Nevada.
- Area = 843 sq.mi.
- 16050203 -- Carson Desert. Nevada.
- Area = 2150 sq.mi.
-
- Accounting Unit 160503 -- Walker: The Walker River Basin.
- California, Nevada.
- Area = 3920 sq.mi.
-
- Cataloging Units 16050301 -- East Walker. California, Nevada.
- Area = 1080 sq.mi.
- 16050302 -- West Walker. California, Nevada.
- Area = 992 sq.mi.
- 16050303 -- Walker. Nevada.
- Area = 1010 sq.mi.
- 16050304 -- Walker Lake. Nevada.
- Area = 835 sq.mi.
-
-
- Subregion 1606 -- Central Nevada Desert Basins: The Closed Desert
- Basins that discharge into South Central Nevada.
- California, Nevada.
- Area = 47100 sq.mi.
-
- Accounting Unit 160600 -- Central Nevada Desert Basins: California,
- Nevada.
- Area = 47100 sq.mi.
-
- Cataloging Units 16060001 -- Dixie Valley. Nevada.
- Area = 3990 sq.mi.
- 16060002 -- Gabbs Valley. Nevada.
- Area = 2060 sq.mi.
- 16060003 -- Southern Big Smoky Valley. Nevada.
- Area = 2030 sq.mi.
- 16060004 -- Northern Big Smoky Valley. Nevada.
- Area = 1890 sq.mi.
- 16060005 -- Diamond-Monitor Valleys. Nevada.
- Area = 3070 sq.mi.
- 16060006 -- Little Smoky-Newark Valleys. Nevada.
- Area = 1430 sq.mi.
- 16060007 -- Long-Ruby Valleys. Nevada.
- Area = 4060 sq.mi.
- 16060008 -- Spring-Steptoe Valleys. Nevada.
- Area = 5240 sq.mi.
- 16060009 -- Dry Lake Valley. Nevada.
- Area = 2160 sq.mi.
- 16060010 -- Fish Lake-Soda Spring Valleys.
- California, Nevada.
- Area = 2720 sq.mi.
- 16060011 -- Ralston-Stone Cabin Valleys. Nevada.
- Area = 3190 sq.mi.
- 16060012 -- Hot Creek-Railroad Valleys. Nevada.
- Area = 4660 sq.mi.
- 16060013 -- Cactus-Sarcobatus Flats. Nevada.
- Area = 2720 sq.mi.
- 16060014 -- Sand Spring-Tikaboo Valleys. Nevada.
- Area = 5070 sq.mi.
- 16060015 -- Ivanpah-Pahrump Valleys. California,
- Nevada.
- Area = 2830 sq.mi.
-
-
- Region 17 Pacific Northwest Region -- The drainage within the United
- States that ultimately discharges into: (a) the Straits of
- Georgia and of Juan De Fuca, and (b) the Pacific Ocean within
- the states of Oregon and Washington; and that part of the
- Great Basin whose discharge is into the state of Oregon.
- Includes all of Washington and parts of California,
- Idaho, Montana, Nevada, Oregon, Utah, and Wyoming.
-
-
- Subregion 1701 -- Kootenai-Pend Oreille-Spokane: The Kootenai, Pend
- Oreille, and Spokane River Basins within the United
- States. Idaho, Montana, and Washington.
- Area = 36600 sq.mi.
-
- Accounting Unit 170101 -- Kootenai: The Kootenai River Basin within
- the United States. Idaho, Montana.
- Area = 4850 sq.mi.
-
- Cataloging Units 17010101 -- Upper Kootenai. Idaho, Montana.
- Area = 2290 sq.mi.
- 17010102 -- Fisher. Montana.
- Area = 843 sq.mi.
- 17010103 -- Yaak. Montana.
- Area = 630 sq.mi.
- 17010104 -- Lower Kootenai. Idaho, Montana.
- Area = 887 sq.mi.
- 17010105 -- Moyie. Idaho, Montana.
- Area = 203 sq.mi.
-
- Accounting Unit 170102 -- Pend Oreille: The Pend Oreille River Basin
- within the United States. Idaho, Montana,
- and Washington.
- Area = 25100 sq.mi.
-
- Cataloging Units 17010201 -- Upper Clark Fork. Montana.
- Area = 2320 sq.mi.
- 17010202 -- Flint-Rock. Montana.
- Area = 1400 sq.mi.
- 17010203 -- Blackfoot. Montana.
- Area = 2340 sq.mi.
- 17010204 -- Middle Clark Fork. Montana.
- Area = 1970 sq.mi.
- 17010205 -- Bitterroot. Montana.
- Area = 2860 sq.mi.
- 17010206 -- North Fork Flathead. Montana.
- Area = 967 sq.mi.
- 17010207 -- Middle Fork Flathead. Montana.
- Area = 1160 sq.mi.
- 17010208 -- Flathead Lake. Montana.
- Area = 1160 sq.mi.
- 17010209 -- South Fork Flathead. Montana.
- Area = 1690 sq.mi.
- 17010210 -- Stillwater. Montana.
- Area = 830 sq.mi.
- 17010211 -- Swan. Montana.
- Area = 748 sq.mi.
- 17010212 -- Lower Flathead. Montana.
- Area = 2010 sq.mi.
- 17010213 -- Lower Clark Fork. Idaho, Montana.
- Area = 2330 sq.mi.
- 17010214 -- Pend Oreille Lake. Idaho, Washington.
- Area = 1240 sq.mi.
- 17010215 -- Priest. Idaho, Washington.
- Area = 983 sq.mi.
- 17010216 -- Pend Oreille. Idaho, Washington.
- Area = 1080 sq.mi.
-
- Accounting Unit 170103 -- Spokane: The Spokane River Basin. Idaho,
- Washington.
- Area = 6680 sq.mi.
-
- Cataloging Units 17010301 -- Upper Coeur D'alene. Idaho
- Area = 905 sq.mi.
- 17010302 -- South Fork Coeur D'alene. Idaho.
- Area = 297 sq.mi.
- 17010303 -- Coeur D'alene Lake. Idaho,
- Washington.
- Area = 663 sq.mi.
- 17010304 -- St. Joe. Idaho.
- Area = 1860 sq.mi.
- 17010305 -- Upper Spokane. Idaho, Washington.
- Area = 609 sq.mi.
- 17010306 -- Hangman. Idaho, Washington.
- Area = 714 sq.mi.
- 17010307 -- Lower Spokane. Washington.
- Area = 904 sq.mi.
- 17010308 -- Little Spokane. Idaho, Washington.
- Area = 723 sq.mi.
-
-
- Subregion 1702 -- Upper Columbia: The Columbia River Basin within the
- the United States above the confluence with the
- Snake River Basin, excluding the Yakima River
- Basin. Washington.
- Area = 22600 sq.mi.
-
- Accounting Unit 170200 -- Upper Columbia. Washington.
- Area = 22600 sq.mi.
-
- Cataloging Units 17020001 -- Franklin D. Roosevelt Lake.
- Washington.
- Area = 2170 sq.mi.
- 17020002 -- Kettle. Washington.
- Area = 966 sq.mi.
- 17020003 -- Colville. Washington.
- Area = 1030 sq.mi.
- 17020004 -- Sanpoil. Washington.
- Area = 1080 sq.mi.
- 17020005 -- Chief Joseph. Washington.
- Area = 1390 sq.mi.
- 17020006 -- Okanogan. Washington.
- Area = 1640 sq.mi.
- 17020007 -- Similkameen. Washington.
- Area = 671 sq.mi.
- 17020008 -- Methow. Washington.
- Area = 1820 sq.mi.
- 17020009 -- Lake Chelan. Washington.
- Area = 955 sq.mi.
- 17020010 -- Upper Columbia-Entiat. Washington.
- Area = 1520 sq.mi.
- 17020011 -- Wenatchee. Washington.
- Area = 1350 sq.mi.
- 17020012 -- Moses Coulee. Washington.
- Area = 926 sq.mi.
- 17020013 -- Upper Crab. Washington.
- Area = 1860 sq.mi.
- 17020014 -- Banks Lake. Washington.
- Area = 609 sq.mi.
- 17020015 -- Lower Crab. Washington.
- Area = 2510 sq.mi.
- 17020016 -- Upper Columbia-Priest Rapids.
- Washington.
- Area = 2070 sq.mi.
-
-
- Subregion 1703 -- Yakima. The Yakima River Basin. Washington.
- Area = 6210 sq.mi.
-
- Accounting Unit 170300 -- Yakima. Washington.
- Area = 6210 sq.mi.
-
- Cataloging Units 17030001 -- Upper Yakima. Washington.
- Area = 2130 sq.mi.
- 17030002 -- Naches. Washington.
- Area = 1130 sq.mi.
- 17030003 -- Lower Yakima, Washington.
- Area = 2950 sq.mi.
-
-
- Subregion 1704 -- Upper Snake: The Snake River Basin to and
- including the Clover Creek Basin.
- Idaho, Nevada, Utah, Wyoming.
- Area = 35600 sq.mi.
-
- Accounting Unit 170401 -- Snake headwaters: The Snake River Basin
- above Kelly Mountain. Idaho, Wyoming.
- Area = 5690 sq.mi.
-
- Cataloging Units 17040101 -- Snake headwaters. Wyoming.
- Area = 1680 sq.mi.
- 17040102 -- Gros Ventre. Wyoming.
- Area = 638 sq.mi.
- 17040103 -- Greys-Hobock. Wyoming.
- Area = 1570 sq.mi.
- 17040104 -- Palisades. Idaho, Wyoming.
- Area = 915 sq.mi.
- 17040105 -- Salt. Idaho, Wyoming.
- Area = 887 sq.mi.
-
- Accounting Unit 170402 -- Upper Snake: The Snake River Basin from
- Kelly Mountain to and including the
- Clover Creek Basin. Idaho, Nevada,
- Utah, Wyoming.
- Area = 29900 sq.mi.
-
- Cataloging Units 17040201 -- Idaho Falls. Idaho.
- Area = 1140 sq.mi.
- 17040202 -- Upper Henrys. Idaho, Wyoming.
- Area = 1090 sq.mi.
- 17040203 -- Lower Henrys. Idaho, Wyoming.
- Area = 1040 sq.mi.
- 17040204 -- Teton. Idaho, Wyoming.
- Area = 1130 sq.mi.
- 17040205 -- Willow. Idaho.
- Area = 645 sq.mi.
- 17040206 -- American Falls. Idaho.
- Area = 2850 sq.mi.
- 17040207 -- Blackfoot. Idaho.
- Area = 1080 sq.mi.
- 17040208 -- Portneuf. Idaho.
- Area = 1320 sq.mi.
- 17040209 -- Lake Walcott. Idaho.
- Area = 3670 sq.mi.
- 17040210 -- Raft. Idaho, Utah.
- Area = 1470 sq.mi.
- 17040211 -- Goose. Idaho, Nevada, Utah.
- Area = 1150 sq.mi.
- 17040212 -- Upper Snake-Rock. Idaho.
- Area = 2440 sq.mi.
- 17040213 -- Salmon Falls. Idaho, Nevada.
- Area = 2120 sq.mi.
- 17040214 -- Beaver-Camas. Idaho.
- Area = 982 sq.mi.
- 17040215 -- Medicine Lodge. Idaho.
- Area = 952 sq.mi.
- 17040216 -- Birch. Idaho.
- Area = 692 sq.mi.
- 17040217 -- Little Lost. Idaho.
- Area = 957 sq.mi.
- 17040218 -- Big Lost. Idaho.
- Area = 1900 sq.mi.
- 17040219 -- Big Wood. Idaho.
- Area = 1460 sq.mi.
- 17040220 -- Camas. Idaho.
- Area = 672 sq.mi.
- 17040221 -- Little Wood. Idaho.
- Area = 1120 sq.mi.
-
-
- Subregion 1705 -- Middle Snake: The Snake River Basin below the Clover
- Creek Basin to Hells Canyon Dam. Idaho,
- Nevada, Oregon.
- Area = 36700 sq.mi.
-
- Accounting Unit 170501 -- Middle Snake-Boise: The Snake River Basin
- below the Clover Creek Basin to and
- including the Weiser River Basin.
- Idaho, Nevada, Oregon.
- Area = 32600 sq.mi.
-
- Cataloging Units 17050101 -- C. J. Strike Reservoir. Idaho.
- Area = 2150 sq.mi.
- 17050102 -- Bruneau. Idaho, Nevada.
- Area = 3290 sq.mi.
- 17050103 -- Middle Snake-Succor. Idaho, Oregon.
- Area = 2280 sq.mi.
- 17050104 -- Upper Owyhee. Idaho, Nevada.
- Area = 2110 sq.mi.
- 17050105 -- South Fork Owyhee. Idaho, Nevada,
- Oregon.
- Area = 1860 sq.mi.
- 17050106 -- East Little Owyhee. Idaho. Nevada,
- Oregon.
- Area = 910 sq.mi.
- 17050107 -- Middle Owyhee. Idaho, Nevada,
- Oregon.
- Area = 1460 sq.mi.
- 17050108 -- Jordan. Idaho, Oregon.
- Area = 1270 sq.mi.
- 17050109 -- Crooked-Rattlesnake. Oregon.
- Area = 1340 sq.mi.
- 17050110 -- Lower Owyhee. Oregon.
- Area = 2000 sq.mi.
- 17050111 -- North and Middle Forks Boise. Idaho.
- Area = 761 sq.mi.
- 17050112 -- Boise-Mores. Idaho.
- Area = 620 sq.mi.
- 17050113 -- South Fork Boise. Idaho.
- Area = 1300 sq.mi.
- 17050114 -- Lower Boise. Idaho.
- Area = 1330 sq.mi.
- 17050115 -- Middle Snake-Payette. Idaho,
- Oregon.
- Area = 294 sq.mi.
- 17050116 -- Upper Malheur. Oregon.
- Area = 2430 sq.mi.
- 17050117 -- Lower Malheur. Oregon.
- Area = 927 sq.mi.
- 17050118 -- Bully. Oregon.
- Area = 577 sq.mi.
- 17050119 -- Willow. Oregon.
- Area = 773 sq.mi.
- 17050120 -- South Fork Payette. Idaho.
- Area = 813 sq.mi.
- 17050121 -- Middle Fork Payette. Idaho.
- Area = 338 sq.mi.
- 17050122 -- Payette. Idaho.
- Area = 1240 sq.mi.
- 17050123 -- North Fork Payette. Idaho.
- Area = 912 sq.mi.
- 17050124 -- Weiser. Idaho.
- Area = 1660 sq.mi.
-
- Accounting Unit 170502 -- Middle Snake-Powder: The Snake River Basin
- below the Weiser River Basin
- to Hells Canyon Dam. Idaho, Oregon.
- Area = 4100 sq.mi.
-
- Cataloging Units 17050201 -- Brownlee Reservoir. Idaho, Oregon.
- Area = 1290 sq.mi.
- 17050202 -- Burnt. Oregon.
- Area = 1090 sq.mi.
- 17050203 -- Powder. Oregon.
- Area = 1720 sq.mi.
-
-
- Subregion 1706 -- Lower Snake: The Snake River Basin below Hells
- Canyon Dam to its confluence with the Columbia
- River. Idaho, Oregon, Washington.
- Area = 35200 sq.mi.
-
- Accounting Unit 170601 -- Lower Snake: The Snake River Basin below
- Hells Canyon Dam to its confluence with
- the Columbia River, excluding the Salmon
- and Clearwater River Basins. Idaho,
- Oregon, Washington.
- Area = 11800 sq.mi.
-
- Cataloging Units 17060101 -- Hells Canyon. Idaho, Oregon.
- Area = 545 sq.mi.
- 17060102 -- Imnaha. Oregon.
- Area = 855 sq.mi.
- 17060103 -- Lower Snake-Asotin. Idaho, Oregon,
- Washington.
- Area = 711 sq.mi.
- 17060104 -- Upper Grande Ronde. Oregon.
- Area = 1650 sq.mi.
- 17060105 -- Wallowa. Oregon.
- Area = 950 sq.mi.
- 17060106 -- Lower Grande Ronde. Oregon,
- Washington.
- Area = 1530 sq.mi.
- 17060107 -- Lower Snake-Tucannon. Washington.
- Area = 1480 sq.mi.
- 17060108 -- Palouse. Idaho, Washington.
- Area = 2360 sq.mi.
- 17060109 -- Rock. Idaho, Washington.
- Area = 962 sq.mi.
- 17060110 -- Lower Snake. Washington.
- Area = 731 sq.mi.
-
- Accounting Unit 170602 -- Salmon: The Salmon River Basin. Idaho.
- Area = 14000 sq.mi.
-
- Cataloging Units 17060201 -- Upper Salmon. Idaho.
- Area = 2410 sq.mi.
- 17060202 -- Pahsimeroi. Idaho.
- Area = 825 sq.mi.
- 17060203 -- Middle Salmon-Panther. Idaho.
- Area = 1810 sq.mi.
- 17060204 -- Lemhi. Idaho.
- Area = 1270 sq.mi.
- 17060205 -- Upper Middle Fork Salmon. Idaho.
- Area = 1490 sq.mi.
- 17060206 -- Lower Middle Fork Salmon. Idaho.
- Area = 1370 sq.mi.
- 17060207 -- Middle Salmon-Chamberlain. Idaho.
- Area = 1700 sq.mi.
- 17060208 -- South Fork Salmon. Idaho.
- Area = 1310 sq.mi.
- 17060209 -- Lower Salmon. Idaho.
- Area = 1240 sq.mi.
- 17060210 -- Little Salmon. Idaho.
- Area = 582 sq.mi.
-
- Accounting Unit 170603 -- Clearwater: The Clearwater River Basin.
- Idaho, Washington.
- Area = 9420 sq.mi.
-
- Cataloging Units 17060301 -- Upper Selway. Idaho.
- Area = 997 sq.mi.
- 17060302 -- Lower Selway. Idaho.
- Area = 1030 sq.mi.
- 17060303 -- Lochsa. Idaho.
- Area = 1180 sq.mi.
- 17060304 -- Middle Fork Clearwater. Idaho.
- Area = 213 sq.mi.
- 17060305 -- South Fork Clearwater. Idaho.
- Area = 1170 sq.mi.
- 17060306 -- Clearwater. Idaho, Washington.
- Area = 2340 sq.mi.
- 17060307 -- Upper North Fork Clearwater. Idaho.
- Area = 1320 sq.mi.
- 17060308 -- Lower North Fork Clearwater. Idaho.
- Area = 1170 sq.mi.
-
-
- Subregion 1707 -- Middle Columbia: The Columbia River Basin below the
- confluence with the Snake River Basin to Bonneville
- Dam. Oregon, Washington.
- Area = 29800 sq.mi.
-
- Accounting Unit 170701 -- Middle Columbia: The Columbia River Basin
- below the confluence with the Snake River
- Basin to Bonneville Dam, excluding the
- Deschutes and John Day River Basins.
- Oregon, Washington.
- Area = 11200 sq.mi.
-
- Cataloging Units 17070101 -- Middle Columbia-Lake Wallula.
- Oregon, Washington.
- Area = 2550 sq.mi.
- 17070102 -- Walla Walla. Oregon, Washington.
- Area = 1750 sq.mi.
- 17070103 -- Umatilla. Oregon.
- Area = 2540 sq.mi.
- 17070104 -- Willow. Oregon.
- Area = 881 sq.mi.
- 17070105 -- Middle Columbia-Hood. Oregon,
- Washington.
- Area = 2170 sq.mi.
- 17070106 -- Klickitat. Washington.
- Area = 1330 sq.mi.
-
- Accounting Unit 170702 -- John Day: The John Day River Basin.
- Oregon.
- Area = 7910 sq.mi.
-
- Cataloging Units 17070201 -- Upper John Day. Oregon.
- Area = 2130 sq.mi.
- 17070202 -- North Fork John Day. Oregon.
- Area = 1830 sq.mi.
- 17070203 -- Middle Fork John Day. Oregon.
- Area = 785 sq.mi.
- 17070204 -- Lower John Day. Oregon.
- Area = 3160 sq.mi.
-
- Accounting Unit 170703 -- Deschutes: The Deschutes River Basin.
- Oregon.
- Area = 10700 sq.mi.
-
- Cataloging Units 17070301 -- Upper Deschutes. Oregon.
- Area = 2140 sq.mi.
- 17070302 -- Little Deschutes. Oregon.
- Area = 1020 sq.mi.
- 17070303 -- Beaver-South Fork. Oregon.
- Area = 1530 sq.mi.
- 17070304 -- Upper Crooked. Oregon.
- Area = 1150 sq.mi.
- 17070305 -- Lower Crooked. Oregon.
- Area = 1840 sq.mi.
- 17070306 -- Lower Deschutes. Oregon.
- Area = 2300 sq.mi.
- 17070307 -- Trout. Oregon.
- Area = 695 sq.mi.
-
-
- Subregion 1708 -- Lower Columbia: The Columbia River Basin below
- Bonneville Dam, excluding the Willamette River
- Basin. Oregon, Washington.
- Area = 6250 sq.mi.
-
- Accounting Unit 170800 -- Lower Columbia. Oregon, Washington.
- Area = 6250 sq.mi.
-
- Cataloging Units 17080001 -- Lower Columbia-Sandy. Oregon,
- Washington.
- Area = 1110 sq.mi.
- 17080002 -- Lewis. Washington.
- Area = 1080 sq.mi.
- 17080003 -- Lower Columbia-Clatskanie. Oregon,
- Washington.
- Area = 896 sq.mi.
- 17080004 -- Upper Cowlitz. Washington.
- Area = 1030 sq.mi.
- 17080005 -- Lower Cowlitz. Washington.
- Area = 1460 sq.mi.
- 17080006 -- Lower Columbia. Oregon, Washington.
- Area = 672 sq.mi.
-
-
- Subregion 1709 -- Willamette: The Willamette River Basin. Oregon.
- Area = 11400 sq.mi.
-
- Accounting Unit 170900 -- Willamette. Oregon.
- Area = 11400 sq.mi.
-
- Cataloging Units 17090001 -- Middle Fork Willamette. Oregon.
- Area = 1350 sq.mi.
- 17090002 -- Coast Fork Willamette. Oregon.
- Area = 664 sq.mi.
- 17090003 -- Upper Willamette. Oregon.
- Area = 1830 sq.mi.
- 17090004 -- Mckenzie. Oregon.
- Area = 1360 sq.mi.
- 17090005 -- North Santiam. Oregon.
- Area = 771 sq.mi.
- 17090006 -- South Santiam. Oregon.
- Area = 1050 sq.mi.
- 17090007 -- Middle Willamette. Oregon.
- Area = 700 sq.mi.
- 17090008 -- Yamhill. Oregon.
- Area = 770 sq.mi.
- 17090009 -- Molalla-Pudding. Oregon.
- Area = 883 sq.mi.
- 17090010 -- Tualatin. Oregon.
- Area = 718 sq.mi.
- 17090011 -- Clackamas. Oregon.
- Area = 935 sq.mi.
- 17090012 -- Lower Willamette. Oregon.
- Area = 407 sq.mi.
-
-
- Subregion 1710 -- Oregon-Washington Coastal: The drainage into the
- drainage boundary to the Smith River Basin boundary,
- excluding the Columbia River Basin. California,
- Oregon, Washington.
- Area = 23200 sq.mi.
-
- Accounting Unit 171001 -- Washington Coastal: The drainage into the
- Pacific Ocean from the Strait of Juan De
- Fuca drainage boundary to the Columbia
- River Basin boundary. Washington.
- Area = 6240 sq.mi.
-
- Cataloging Units 17100101 -- Hoh-Quillayute. Washington.
- Area = 1230 sq.mi.
- 17100102 -- Queets-Quinault. Washington.
- Area = 1190 sq.mi.
- 17100103 -- Upper Chehalis. Washington.
- Area = 1310 sq.mi.
- 17100104 -- Lower Chehalis. Washington.
- Area = 838 sq.mi.
- 17100105 -- Grays Harbor. Washington.
- Area = 568 sq.mi.
- 17100106 -- Willapa Bay. Washington.
- Area = 1100 sq.mi.
-
- Accounting Unit 171002 -- Northern Oregon Coastal: The drainage into
- the Pacific Ocean from the Columbia River
- Basin boundary to the Umpqua River Basin
- boundary. Oregon.
- Area = 4310 sq.mi.
-
- Cataloging Units 17100201 -- Necanicum. Oregon.
- Area = 129 sq.mi.
- 17100202 -- Nehalem. Oregon.
- Area = 860 sq.mi.
- 17100203 -- Wilson-Trusk-Nestuccu. Oregon.
- Area = 973 sq.mi.
- 17100204 -- Siletz-Yaquina. Oregon.
- Area = 753 sq.mi.
- 17100205 -- Alsea. Oregon.
- Area = 697 sq.mi.
- 17100206 -- Siuslaw. Oregon.
- Area = 769 sq.mi.
- 17100207 -- Siltcoos. Oregon.
- Area = 129 sq.mi.
-
- Accounting Unit 171003 -- Southern Oregon Coastal: The drainage into
- the Pacific Ocean from and including the
- Umpqua River Basin to the Smith River
- Basin boundary. California, Oregon.
- Area = 12600 sq.mi.
-
- Cataloging Units 17100301 -- North Umpqua. Oregon.
- Area = 1350 sq.mi.
- 17100302 -- South Umpqua. Oregon.
- Area = 1790 sq.mi.
- 17100303 -- Umpqua. Oregon.
- Area = 1500 sq.mi.
- 17100304 -- Coos. Oregon.
- Area = 739 sq.mi.
- 17100305 -- Coquille. Oregon.
- Area = 1030 sq.mi.
- 17100306 -- Sixes. Oregon.
- Area = 467 sq.mi.
- 17100307 -- Upper Rogue. Oregon.
- Area = 1610 sq.mi.
- 17100308 -- Middle Rogue. Oregon.
- Area = 885 sq.mi.
- 17100309 -- Applegate. California, Oregon.
- Area = 759 sq.mi.
- 17100310 -- Lower Rogue. Oregon.
- Area = 898 sq.mi.
- 17100311 -- Illinois. California, Oregon.
- Area = 981 sq.mi.
- 17100312 -- Chetco. California, Oregon.
- Area = 630 sq.mi.
-
-
- Subregion 1711 -- Puget Sound: The drainage within the United States
- that discharges into: (a) Puget Sound and the
- Straits of Georgia and of Juan De Fuca; and (b) the
- Fraser River Basin. Washington.
- Area = 16800 sq.mi.
-
- Accounting Unit 171100 -- Puget Sound. Washington.
- Area = 16800 sq.mi.
-
- Cataloging Units 17110001 -- Fraser. Washington.
- Area = 249 sq.mi.
- 17110002 -- Strait of Georgia. Washington.
- Area = 955 sq.mi.
- 17110003 -- San Juan Islands. Washington.
- Area = 626 sq.mi.
- 17110004 -- Nooksack. Washington.
- Area = 795 sq.mi.
- 17110005 -- Upper Skagit. Washington.
- Area = 1630 sq.mi.
- 17110006 -- Sauk. Washington.
- Area = 741 sq.mi.
- 17110007 -- Lower Skagit. Washington.
- Area = 447 sq.mi.
- 17110008 -- Stillaguamish. Washington.
- Area = 704 sq.mi.
- 17110009 -- Skykomish. Washington.
- Area = 853 sq.mi.
- 17110010 -- Snoqualmie. Washington.
- Area = 693 sq.mi.
- 17110011 -- Snohomish. Washington.
- Area = 278 sq.mi.
- 17110012 -- Lake Washington. Washington.
- Area = 619 sq.mi.
- 17110013 -- Duwamish. Washington.
- Area = 487 sq.mi.
- 17110014 -- Puyallup. Washington.
- Area = 996 sq.mi.
- 17110015 -- Nisqually. Washington.
- Area = 726 sq.mi.
- 17110016 -- Deschutes. Washington.
- Area = 168 sq.mi.
- 17110017 -- Skokomish. Washington.
- Area = 248 sq.mi.
- 17110018 -- Hood Canal. Washington.
- Area = 957 sq.mi.
- 17110019 -- Puget Sound. Washington.
- Area = 2550 sq.mi.
- 17110020 -- Dungeness-Elwha. Washington.
- Area = 1270 sq.mi.
- 17110021 -- Crescent-Hoko. Washington.
- Area = 774 sq.mi.
-
-
- Subregion 1712 -- Oregon closed basins: The drainage of the Great
- Basin that discharges into the state
- of Oregon. California, Nevada, Oregon.
- Area = 17300 sq.mi.
-
- Accounting Unit 171200 -- Oregon closed basins. California,
- Nevada, Oregon.
- Area = 17300 sq.mi.
-
- Cataloging Units 17120001 -- Harney-Malheur Lakes. Oregon.
- Area = 1420 sq.mi.
- 17120002 -- Silvies. Oregon.
- Area = 1310 sq.mi.
- 17120003 -- Donner Und Blitzen. Oregon.
- Area = 765 sq.mi.
- 17120004 -- Silver. Oregon.
- Area = 1670 sq.mi.
- 17120005 -- Summer Lake. Oregon.
- Area = 4100 sq.mi.
- 17120006 -- Lake Abert. Oregon.
- Area = 1020 sq.mi.
- 17120007 -- Warner Lakes. California, Nevada,
- Oregon.
- Area = 1900 sq.mi.
- 17120008 -- Guano. Nevada, Oregon.
- Area = 2970 sq.mi.
- 17120009 -- Alvord Lake. Nevada, Oregon.
- Area = 2110 sq.mi.
-
-