Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
Map of Babcock Plan for a trunk highway system in Minnesota
- Minnesota Highway Improvement Association. and McGill-Warner Co.
- Cartographic Details: No scale given. "Failure to vote on Amendment No. 1 is equivalent to voting against it." "Vote "yes" for constitutional amendment no. 1 on November 2, 1920." Includes text detailing the advantages of the plan. 78 x 62 cm
- The Association : McGill-Warner Co.
- John R. Borchert Map Library
- Minnesota, United States
- Roads and Babcock Plan
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