Region
Allegheny County (Pa.)
1
Allegheny Mountains
1
Alsace (Pa. : Township)
1
Beaver County (Pa.)
1
Berks County
1
Berks County (Pa.)
2
British Isles
1
Brooklyn (New York, N.Y.)
1
Butler (Butler Co., Pa.)
1
Butler County (Pa.)
1
Charles County (Md.)
1
Chester County
1
Clearfield County
2
Conemaugh Valley
1
East (U.S.)
2
Elk County
2
England
1
Great Britain
2
Hummelstown
1
Ireland
2
Jefferson County
1
Luzerne County (Pa.)
1
New Bedford
1
New Jersey
1
New York
1
New York (State)
2
Ohio
1
Pennsylvania
24
Pennypack (Philadelphia, Pa.)
1
Philadelphia
4
Philadelphia (Pa.)
1
Pittsburgh
1
Pittsburgh (Pa.)
2
Point State Park (Pittsburgh, Pa.)
1
Poland
1
Schuylkill Canal (Pa.)
1
Somerset County
1
Switzerland
1
Texas
1
Tyczyn
1
Ulster (Northern Ireland and Ireland)
1
United States
12
Virginia
2
Westmoreland County (Pa.)
1