Region
Pennsylvania
132
United States
59
Penn
27
Philadelphia
18
New Jersey
16
Berks County
10
Chester County
8
Berks County (Pa.)
7
Great Britain
7
New York (State)
7
Virginia
7
Hopewell Furnace National Historic Site (Pa.)
6
Pennsylvanie
6
Chester County (Pa.)
5
Maryland
5
Cornwall
4
Homestead (Pa.)
4
Lancaster County
4
Minnesota
4
Pittsburgh
4
Pittsburgh (Pa.)
4
Scranton
4
Valley Forge
4
Valley Forge (Pa.)
4
Batsto
3
Batsto (N.J.)
3
Bethlehem
3
Delaware
3
États-Unis
3
Homestead
3
Kent County (Del.)
3
Lancaster Co
3
Lancaster County (Pa.)
3
Lebanon Co
3
Montgomery County
3
Scranton (Pa.)
3
Blair County
2
Blair County (Pa.)
2
Chesapeake and Delaware Canal (Del. and Md.)
2
Chester Co
2
Coatesville
2
Coatesville (Pa.)
2
Connecticut
2
Conshohocken
2
Dauphin County (Pa.)
2
Duluth
2
Elkton
2
Elkton (Md.)
2
Indiana
2
Massachusetts
2
more ...