Region
Pennsylvania
Pennsylvanie
38
Philadelphia
30
United States
17
Pittsburgh
11
Philadelphie
10
Centralia
5
Harrisburg Region
5
Camden
4
Centralia (Pa.)
4
New Jersey
4
Philadelphia (Pa.)
4
Bethlehem
3
Delaware River
3
Delaware River (N.Y.-Del. and N.J.)
3
Pittsburgh (Pa.)
3
Amity (Washington County : Township)
2
Amity (Washington County, Pa. : Township)
2
Delaware and Hudson Canal (N.Y. and Pa.)
2
Hazleton
2
New York (State)
2
Ohio
2
Prosperity
2
Prosperity (Pa.)
2
Wilkes-Barre
2
Bethlehem, Pa
1
Braddock
1
Delaware Canal
1
Delaware Canal (Pa.)
1
Delaware Canal (Penns.)
1
Delaware and Hudson Canal
1
Donora
1
Edinboro
1
Gettysburg
1
Harrisburg
1
Homestead
1
Homestead (Pa.)
1
Horseshoe Curve National Historic Landmark (Pa.)
1
Lancaster
1
New York Metropolitan Area
1
North Philadelphia (Philadelphia, Pa.)
1
Oil Creek Valley (Crawford County and Venango County)
1
Oil Creek Valley (Crawford County and Venango County, Pa.)
1
Pennsylvania Dutch Country
1
Pittsburgh Metropolitan Area
1
Pittsburgh Region
1
Pittsburgh region
1
Reading
1
Somerset
1
Three Mile Island
1
more ...