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Spatial Coverage
- Texas3
- Alabama2
- Colorado River Watershed (Colo.-Mexico)1
- Columbia Plateau1
- Connecticut1
- Connecticut River Valley1
- Edwards Aquifer (Tex.)1
- Georgetown Region1
- Georgetown Region (Tex.)1
- Georgetown Region.1
- Hartford Region1
- Highland Lakes1
- Kentucky1
- Kentucky.1
- Poland1
- Powder River Basin (Wyo. and Mont.)1
- Snake River Plain (Idaho and Or.)1
- U.S.1
- Valley Creek (Jefferson County)1
- Valley Creek (Jefferson County, Ala.)1
