1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
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1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1894. McGee, W J, 1853-1912 and New York State Geological Survey. Published by authority of the Legislature of the State of New York. Includes legend. Inset: [Long Island]. 1 map on 6 sheets: col.; sheets 82 x 88 ...
1887. Geological and Natural History Survey of Minnesota, Winchell, Alexander, 1824-1891, and Winchell, N. H. (Newton Horace), 1839-1914. Cartographic Details: Scale approximately 1:330,000 (W 92°1'--W 89°30'/N 48°14'--N 47°3'). Relief shown by hachures. Cover title: Winchell's Geolog... Geological and Natural History Survey of Minnesota ; St. Paul, Minnesota.
1877. Geological Survey of India. Cartographic Details: Scale 1:4055040. 1 in. to 64 miles. To accompany: A manual of the geology of India. Pt. 1-2. Calcutta: Geological Survey Offi... Office of Surveyor General of India ; Calcutta.
1848. Owen, David Dale, 1807-1860. Shows area north and west of Wisconsin River watershed and south and east of the Saint Louis River and the upper Mississippi River. From: Senate ex...
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.
1934. United States. Works Progress Administration of Pennsylvania. Statement of responsibility: [Works Progress Administration of Pennsylvania]. Relief on most maps shown by contours and spot heights. WPA Project N... Works Progress Administration of Pennsylvania.