Thayer, John Otis, 1830-Relief shown by hachures. Shows Wisconsin, the Upper Peninsula of Michigan, and portions of Minnesota, Illinois, and Iowa.46 x 39 centimetersJPEGUMN_ALMA:9927084060001701engGugler Lith. Co. (Milwaukee)PublicMap of the Milwaukee, Lake Shore & Western RailwayMapsWisconsin1885University of Minnesota