Geography
Pennsylvania
United States
64 results
Philadelphia
42 results
Pittsburgh
10 results
New Jersey
6 results
West Virginia
6 results
Gettysburg National Military Park (Pa.)
4 results
New York (State)
4 results
Ohio
4 results
Philadelphia Region
4 results
Allentown
3 results
Gettysburg National Military Park
3 results
Delaware River (N.Y.-Del. and N.J.)
2 results
Gettysburg
2 results
Lehigh River Valley
2 results
Massachusetts
2 results
Monongahela River (W. Va. and Pa.)
2 results
Scranton
2 results
Shippingport
2 results
Steamtown National Historic Site (Scranton, Pa.)
2 results
Washington (State)
2 results
Wilkes-Barre
2 results
Akron
1 results
Alabama
1 results
Alaska
1 results
Alaska Maritime National Wildlife Refuge (Alaska)
1 results
Alburtis
1 results
Allegheny National Forest
1 results
Allegheny River (Pa. and N.Y.)
1 results
Arizona
1 results
Arkansas
1 results
Atlanta
1 results
Beaver County
1 results
Beaver River (Pa.)
1 results
Berks County
1 results
Bethlehem
1 results
Boston
1 results
California
1 results
Camden
1 results
Cheat River (W. Va. and Pa.)
1 results
Chester
1 results
Chicago
1 results
Connecticut
1 results
Delaware River Region (N.Y.-Del. and N.J.)
1 results
Delaware River Valley (N.Y.-Del. and N.J.)
1 results
Detroit
1 results
Easton
1 results
Easton (Northampton County, Pa.)
1 results
England
1 results
Erie
1 results
more…