Region
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Churchill County
1
Cochiti Dam
1
Cochituate, Lake
1
Colorado River
1
Columbia Plateau
1
Connecticut
1
Cook Inlet
1
Crystal Lake
1
Dauphin Island
1
Death Valley (Calif. and Nev.)
1
Delaware
1
Delta Region
1
Denver Basin
1
Devils Lake
1
Devils Lake Watershed (N.D.)
1
Dickson County
1
Durham
1
Elkhead Creek
1
Ellerbe Creek
1
Floridan Aquifer
1
Fort Belknap Indian Reservation
1
Fort Bliss
1
Fort Morgan Region
1
Fremont County
1
Geist Reservoir
1
Geist Reservoir (Ind.)
1
Glen Canyon (Utah and Ariz.)
1
Glen Canyon Dam
1
Glen Canyon Dam (Ariz.)
1
Grand Calumet River
1
Grand Calumet River (Ind. and Ill.)
1
Grand Canyon
1
Grand Lake
1
Grand Lake (Okla.)
1
Great Lakes
1
Great Lakes Watershed (North America)
1
Gulf Coast
1
Gulf Coast (U.S.)
1
Harney Basin
1
High Plains
1
Houston
1
Huntingdon Region
1
Idaho
1
Indiana Dunes National Park (Ind.)
1
Iowa
1
Kabetogama Lake (Minn. and Ont.)
1
Kentucky
1
Klamath River
1
Klamath River Watershed (Or. and Calif.)
1
Koocanusa, Lake (B.C. and Mont.)
1
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