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1933
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1. Condition map of Minnesota Trunk Highways: a 7,000 mile primary system showing national and state markings
1933. Minnesota. Department of Highways. Scale approximately 1:1,530,000. Description based on: 1932 sheet. Each sheet lists the Commissioner of highways and the Chief Engineer. On verso: ...
2. Condition map of Minnesota Trunk Highways: a 7,000 mile primary system showing national and state markings
1933. Minnesota. Department of Highways. Scale approximately 1:1,530,000. Description based on: 1932 sheet. Each sheet lists the Commissioner of highways and the Chief Engineer. On verso: ...