Spatial Coverage
- Blair County3
- Clarion County3
- Columbia County.3
- Dauphin County3
- Frederick County (Md.)3
- Lebanon County3
- Lehigh County (Pa.)3
- Maryland.3
- Middle Atlantic States3
- Northumberland County.3
- Pittsburgh (Pa.)3
- United States3
- Adams County (Pa.)2
- Allegany County (Md.)2
- Allegheny County (Pa.)2
- Allegheny National Forest (Pa.)2
- Berks County (Pa.)2
- Butler County2
- Cambria County2
- Cheshire2
