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Place
- Alaska, United States1
- Allegheny County, Pennsylvania, United States42
- Allegheny National Forest, Pennsylvania, United States16
- Appalachian Mountains, United States23
- Baltimore County, Maryland, United States1
- Butler County, Pennsylvania, United States1
- Chesapeake Bay Basin, Maryland, United States20
- Chester County, Pennsylvania, United States16
- Dauphin County, Pennsylvania, United States12
- Delaware River, Delaware, United States8
- Delaware, United States12
- District Of Columbia, United States4
- Lake Erie, United States11
- Lancaster County, Pennsylvania, United States26
- Lebanon County, Pennsylvania, United States5
- Lehigh Valley, Pennsylvania, United States5
- Lycoming County, Pennsylvania, United States6
- Maryland, United States19
- Mifflin County Airport, Pennsylvania, United States1
- Murrysville, Pennsylvania, United States3