Region
United States
30
Wyoming
15
California
11
Washington (State)
9
Columbia Plateau
7
New York (State)
6
Minnesota
5
Oregon
4
Pennsylvania
4
San Joaquin Valley
4
Wisconsin
4
Colorado
3
Iowa
3
Kentucky
3
South Platte River Watershed (Colo. and Neb.)
3
Texas
3
Willamette River Watershed
3
Connecticut
2
Delmarva Peninsula
2
Florida
2
Georgia
2
Hudson River (N.Y. and N.J.)
2
Kansas
2
Kentucky River Watershed
2
Michigan
2
Michigan, Lake
2
Middle Atlantic States
2
Nebraska
2
Nevada
2
Ohio
2
Ozark Mountains
2
Rio Grande Valley (Colo.-Mexico and Tex.)
2
South Carolina
2
Trinity River Watershed
2
Alabama
1
Big Blue River Watershed (Neb. and Kan.)
1
Big Horn County
1
Cannonsville Reservoir Watershed
1
Cannonsville Reservoir Watershed (N.Y.)
1
Cheney Reservoir Watershed
1
Clackamas River Watershed
1
Colorado River Watershed (Colo.-Mexico)
1
Columbia
1
Columbia River
1
Connecticut River Watershed
1
Crook County
1
Delaware River Watershed (N.Y.-Del. and N.J.)
1
East Otter Tail County Soil and Water Conservation District (Minn.)
1
Erie, Lake
1
Erie, Lake, Watershed
1
more ...