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Spatial Coverage
- Pennsylvania[remove]321
- New York21
- Maryland17
- West Virginia15
- New Jersey10
- Ohio9
- Schuylkill County7
- États-Unis5
- Pennsylvanie5
- Washington County5
- Columbia County3
- Northumberland County3
- Allegany County (Md.)2
- Beaver County2
- Carbon County2
- Dauphin County2
- Frederick County (Md.)2
- Greene County2
- Indiana County2
- Pennsylvania.2
