-
1by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
2by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
3by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
4by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
5by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
6by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
7by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
8by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
9by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
10by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
11by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
12by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
13by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
14by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image -
15by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
Get access
Still Image