Region
16th Street (Philadelphia, Pa.)
1
18th Street (Philadelphia, Pa.)
1
22nd Ward
3
33rd Street, 100 Blk. S. (Philadelphia, Pa.)
1
34th Ward
4
42nd Ward
4
44th Street, 800 Blk. (Philadelphia, Pa.)
1
56th Street (Philadelphia, Pa.)
1
5th Street
1
63rd Street (Philadelphia, Pa.)
1
Abington (Pa.)
1
Alabama
1
Allegheny Mountains
1
Allegheny National Forest Region
1
Allegheny National Forest Region (Pa.)
1
Allemagne (Sud)
1
Allentown (Pa.)
1
Allentown Metropolitan Area (Pa.)
1
Amish Country
1
Amish Country (Pa.)
1
Appalachian Region
1
Arch Street (Philadelphia, Pa.)
1
Argus Road
1
Armstrong County (Pa.)
1
Ashbourne Road
1
Ashby Road
1
Aspley Road
1
Atwood Road
1
Austria
2
Baltimore
3
Baltimore (Md.)
3
Baltimore Metropolitan Area
3
Baltimore Region
3
Bedford
1
Bedford (Pa.)
1
Bedford Springs
1
Bedford Springs (Pa.)
1
Berkeley Road
3
Bethlehem (Pa.)
2
Bethlehem Metropolitan Area (Pa.)
1
Blossburg
1
Blossburg (Pa.)
1
Blueberry Hill Site (Dover, Del.)
1
Boston
1
Boston Harbor (Mass.)
1
Boyer Road
1
Brandywine Creek Valley (Pa. and Del.)
1
Brandywine Region
1
Brandywine Region (Del.)
1
Bridgeton
1
more ...