McClelland, D.Nicholson, W. L.Poole, C. H.United States. Post Office DepartmentPrime 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 cmJPEG3ff12731-32fd-41c5-9b30-a18f58202283engPublicRailroadsPost 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.MapsUnited States of America1871University of Michigan