Post Route Map of the State of Illinois Showing Post Offices ... March 1, 1958. by United States. Post Office Department

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Post Route Map of the State of Illinois Showing Post Offices ... March 1, 1958.

Post Route Map of the State of Illinois Showing Post Offices with the Intermediate Distances on Mail Route ... March 1, 1958. (inset) Chicago & Vicinity.

David Rumsey

United States. Post Office Department

1958

United States Post Office Department

1:511 000