Post route map of the states of Michigan and Wisconsin: with adjacent parts of Ohio, Indiana, Illinois, Iowa, and Minnesota; designed and constructed under the orders of John A.J. Creswell and Giles A. Smith by W.L. Nicholson.
Nicholson, W. L.,Poole, C. H.,McClelland, D.,United States. Post Office Department.
Prime meridian: Washington. Shows railroad lines. "Drawn by C.H. Poole. Engraved by D. McClelland." "The service on this diagram brought up to date of [April 1st, 1874]." Includes "General statistics," "Explanation of mail service," and table of distances. 1 map: hand color; 105 x 141 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.