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Region
- United States2
- Arkansas River Watershed1
- Bowdoin National Wildlife Refuge (Mont.)1
- CaliforniaTulare Lake1
- Colorado1
- ConnecticutManchester1
- Edwards Aquifer (Tex.)1
- FloridaHillsborough River Watershed (Polk County-Hillsborough County)1
- FloridaWithlacoochee River Watershed1
- Green River Watershed (Wyo.-Utah)1
- High Plains Aquifer1
- Kansas1
- Kentucky1
- Louisiana1
- LouisianaBaton Rouge1
- Milk River Watershed (Mont. and Alta.)1
- MississippiGulfport1
- Montana1
- Nevada1
- New York (State)Long Island1