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State Postal Route Map of the State of Minnesota Showing Post Offices ... May 1, 1969.
9307.000
pilot5
State Postal Route Map of the State of Minnesota Showing Post Offices with the Intermediate Distances on Mail Route ... May 1, 1969.
1969
United States. Post Office Department
United States Post Office Department
65 × 81 cm
1 : 882000
