1957 Official Road Map of Minnesota

Era 4: The Gousha Maps, 1951-1961

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Stats:

  • Size: 38" x 32" unfolded, 4" x 9" folded.
  • Scale: 1 inch = 12 miles
  • Cartographers: The H.M. Gousha Company.
  • Lithographers: Harrison and Smith Co.
  • Commissioner of Highways: M.J. Hoffmann.

Comments:

  • A symbol for gravel secondary roads was added for the first time.

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