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- DelawareNew Castle County1
- Florida1
- FloridaSaint Johns County1
- FloridaSaint Vincent National Wildlife Refuge1
- Hudson River Watershed1
- IdahoBig Lost River Watershed1
- Indiana1
- Memphis (Tenn.)1
- Memphis Aquifer1
- Middle West1
- NebraskaPlatte River Watershed1
- New York (State)Mohawk River Watershed1
- OhioGreene County1