Cartographic Details: Scale 1:250,000. approximately 1 in. to 4 miles ; Modified polyconic projection. Published in accordance with Act of Congress approved November 9, 1921, creating the Federal Aid Highway System; highways corrected to April 1, 1944.JPEGUMN_ALMA:9923366230001701engThe Survey (Washington D.C.)PublicMinnesota transportation map : Highways, railroads, canals, air lanes, and dredged channelsMapsMinnesota1944University of Minnesota