1940. United States. Public Roads Administration. Cartographic Details: Scale 1:250,000. approximately 1 in. to 4 miles ; Modified polyconic projection (W 97‚Å∞15 π--W 89‚Å∞30 π/N 49‚Å∞22 π--N 43‚Å... The Survey (Washington D.C.).
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1940. Series: AMS C521 Greenland 1:250,000 Topographic Series. National Geospatial-Intelligence Agency.
1940. Series: AMS C521 Greenland 1:250,000 Topographic Series. National Geospatial-Intelligence Agency.
1940. Minneapolis (Minn.). Department of City Assessor and United States. Work Projects Administration (Minn.). 167 pages : illustrations, maps (part color) ; 60 x 42 centimeters Minneapolis and St. Paul Maps and Atlases. Lithographed and printed by the McGill lithograph co. (Minneapolis, Minnesota), 1941.