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Spatial Coverage
- Bucks County4
- Maryland, Southern4
- Pennsylvania4
- Arkansas2
- Kansas2
- Mississippi2
- Patapsco Aquifer2
- Aquia Formation1
- Arnold Air Force Base1
- Black Creek Aquifer (S.C. and N.C.)1
- Canadian County1
- Coffee County1
- Franklin County1
- Magothy Aquifer1
- Mississippi River Valley1
- Oklahoma1
- South Carolina1
- Springfield (Bucks County, Pa. : Township)1
- Tennessee1
