- Description:
- Cartographic Details: Scale 1:500,000 ; Modified polyconic projection (W 97°--W 90° / N 48°--N 44°). Sheets numbered 23NE, 23NW, 23SE, and 23SW. Base map from U.S. Geological Survey state map. "Data corrected to July 31, 1937." Contents: Northeastern Minnesota -- Northwestern Minnesota -- Southeastern Minnesota -- Southwestern Minnesota.
- Creator:
- United States. Bureau of Public Roads. Geological Survey (U.S.)
- Created:
- 1933
- Contributed By:
- University of Minnesota Libraries, John R. Borchert Map Library.
- Page Count:
- 4
- Last Updated:
- 2021-03-24