Region
Ohio
2
Tennessee
2
Texas
2
United States
2
Washington (State)
2
Chattahoochee River
1
Chattahoochee River Watershed
1
Colorado
1
Current River Watershed (Mo. and Ark.)
1
Eleven Point Wild and Scenic River
1
Erie, Lake
1
Fort Union Coal Region
1
Georgia
1
Kanawha River Watershed
1
Kentucky
1
Kentucky River Watershed
1
Minnesota
1
Missouri
1
Montana
1
Mosquito Creek Lake
1
Norman County
1
Oregon
1
Saint Helens, Mount (Wash.)
1
Tahoe, Lake (Calif. and Nev.)
1
Tualatin River Watershed
1
West Virginia
1