Region
Pennsylvania
6
Pennsylvanie
Philadelphia
2
Philadelphia (Pa.)
2
Philadelphie
2
Berks (Comté)
1
Berks County
1
Berks County (Pa.)
1
Chester (Comté)
1
Chester County
1
Chester County (Pa.)
1
Hopewell Furnace National Historic Site
1
Hopewell Furnace National Historic Site (Pa.)
1
Hopewell Furnace National Historic Site (Penns.)
1
New Jersey
1
York County
1
York County (Pa.)
1