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1by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
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2by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
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3by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
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4by United States. Works Progress Administration of Pennsylvania.“...Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps...”
Published 1934
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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