Region
Pennsylvania
Conestoga River Watershed
10
Chester County
9
Somerset County
4
Susquehanna River, West Branch
4
Fayette County
3
Lancaster County
3
York County
3
Adams County
2
Delaware
2
Erie County
2
Indiana County
2
Lebanon County
2
Maryland
2
Oley (Township)
2
Schuylkill County
2
Susquehanna River, West Branch (Pa.)
2
Swatara Creek
2
United States
2
Wayne County
2
Allegheny County
1
Allegheny Portage Railroad National Historic Site
1
Bald Eagle Creek Watershed (Blair County-Clinton County)
1
Bedford County
1
Berks County
1
Blue Marsh Lake (Pa.)
1
Camden Region
1
Carbon County
1
Chesapeake Bay (Md. and Va.)
1
Clarion County
1
Conestoga River
1
Conewago Creek Watershed (Lebanon County, Dauphin County, and Lancaster County)
1
Curwensville (Pa.)
1
Dauphin County
1
Eisenhower National Historic Site
1
Gettysburg National Military Park
1
Harrisburg
1
Huntingdon County
1
Indiantown Gap Military Reservation
1
Lackawaxen River
1
Little Scrubgrass Creek Watershed
1
Luzerne County
1
Mill Creek Watershed (Lancaster County, Pa.)
1
Muddy Run Watershed (Lancaster County, Pa.)
1
Neshaminy Creek Watershed
1
Neshaminy State Park
1
New Castle County
1
New Jersey
1
New York (State)
1
Pequea Creek Watershed
1
more ...