Nicholson, W. L.Prime meridian: Washington.; Shows railroad lines.; "Drawn by C.H. Poole. Engraved by D. McClelland."; Includes "General statistics," "Explanation of mail service," and table of distances.sheets 109 x 78 centimetersJPEGUMN_ALMA:9944490280001701engPost Office Dept. (Washington, D.C)PublicPost route map of the states of Michigan and Wisconsin : with adjacent parts of Ohio, Indiana, Illinois, Iowa, and MinnesotaMapsMichiganWisconsin1871University of Minnesota