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Spatial Coverage
- Maryland[remove]27
- Chesapeake Bay Region (Md. and Va.)2
- Magothy Aquifer2
- Maryland.2
- Patapsco Aquifer2
- Pennsylvania2
- Annapolis Region1
- Annapolis Region.1
- Baltimore County1
- Baltimore County.1
- Bel Air Region (Harford County)1
- Bowie Region1
- Calvert County1
- Charles County1
- Ellicott City Region1
- Essex County1
- Finksburg Region1
- Hampstead Region1
- Harford County1
- Harford County.1
