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Region
- Georgia3
- Massachusetts3
- Kansas2
- Nebraska2
- North Dakota2
- Oklahoma2
- Washington (State)Yakima River Watershed2
- West Virginia2
- Wyoming2
- AlabamaMobile River Watershed1
- Altus, Lake, Watershed (Okla. and Tex.)1
- Arkansas1
- Big Elk Creek Watershed (Pa. and Md.)1
- Black Hills Region (S.D. and Wyo.)1
- CaliforniaSanta Ana River Watershed1
- ColoradoJefferson County1
- ColoradoPark County1
- ColoradoPueblo County1
- ColoradoRio Grande County1
- Columbia River1