Region
United States
9
Boise River
4
Idaho
4
Tennessee
4
Texas
4
Washington (State)
4
Boise River (Idaho)
3
Colorado
3
Georgia
3
Ohio
3
California
2
Chattahoochee River
2
Chattahoochee River Watershed
2
Florida
2
Fort Union Coal Region
2
Kentucky
2
Kentucky River Watershed
2
Minnesota
2
Montana
2
Saint Helens, Mount (Wash.)
2
Arkansas
1
Current River Watershed (Mo. and Ark.)
1
Eleven Point Wild and Scenic River
1
Erie, Lake
1
Everglades
1
Fort Polk Region
1
Gulf Coast
1
Hudson River Estuary (N.Y. and N.J.)
1
Kanawha River Watershed
1
Kisatchie National Forest (La.)
1
Klamath Basin (Or.)
1
Klamath River (Or. and Calif.)
1
Klamath River Watershed (Or. and Calif.)
1
Louisiana
1
Mississippi River
1
Mississippi River Watershed
1
Missouri
1
Missouri River
1
Mosquito Creek Lake
1
Nebraska
1
Nimrod Lake
1
Nimrod Lake (Ark.)
1
Norman County
1
Omaha
1
Oregon
1
Perry County
1
Potomac River
1
San Francisco Bay
1
San Joaquin River Watershed
1
South Carolina
1
more ...