1937. Minnesota. Department of Highways. Cartographic Details: Scale approximately 1:1,530,000. Description based on: 1932 sheet. Each sheet lists the Commissioner of highways and the Chie... The Department (St. Paul, Minnesota).
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1937. Minnesota. Department of Highways, Minnesota. Department of Highways. Transportation and Transit Planning and Programming Division, Minnesota. Department of Transportation, and Minnesota. Transportation and Transit Planning and Programming Division. Published by Dept. of Highways 1925-1964. Some sheets include distance chart, local route maps, index, and charts. Col. illus., distance chart, loc... Department of HIghways (St. Paul, Minnesota).
1937. United States. Bureau of Public Roads. Geological Survey (U.S.). Cartographic Details: Scale 1:500,000 ; Modified polyconic projection (W 97‚Å∞15 π--W 89‚Å∞30 π/N 49‚Å∞23 π--N 43‚Å∞30 π). Sheets numbered 23NE, 23... The Bureau (Washington D.C.).