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Region
- United States4
- AlabamaMobile River Watershed1
- Caddo Lake (La. and Tex.)1
- CaliforniaDelta Region1
- CaliforniaSacramento River1
- CaliforniaSacramento River Watershed1
- Erie, Lake, Watershed1
- KansasCheney Reservoir Watershed1
- MarylandBaltimore County1
- MarylandHarford County1
- Naval Weapons Industrial Reserve Plant (Dallas, Tex.)1
- OklahomaCaddo County1
- Saint Clair, Lake, Watershed (Mich. and Ont.)1
- Tennessee River Valley1
- TexasDallas1
- TexasFort Worth1
- Washington (State)Yakima River1