Other
Alabama
1
America
1
Amérique du Nord
3
Canada
1
Colorado
1
Columbiana County (Ohio)
1
East (U.S.)
1
East United States
1
États-Unis
2
Haddonfield (N.J.)
1
Kentucky
1
Little Beaver River Valley (Ohio and Pa.)
1
Mammoth Cave (Ky.)
1
Middle Atlantic States
1
Minnesota
1
Mississippi River Valley
1
New Jersey
5
North America
14
North Carolina
1
Ohio
1
Papua New Guinea
1
Penn
2
Pennsylvania
14
Philadelphia
4
Philadelphia (Pa.)
1
Philadelphie (Penns.)
1
Rocky Mountains Region
1
Scandinavia
2
Scandinavie
1
Schuylkill County
1
United States
10
Westville
1
Wisconsin
1
Wissahickon Creek Valley
1
Wissahickon Creek Valley (Pa.)
1