Gamble, W. H. (William H.)Relief shown by hachures and spot heights.; Shows Minnesota counties as of 1879, cities and towns, railroads, and natural features.; At base of map: "Entered according to Act of Congress in the year 1880 by S. Augustus Mitchell in the Office of the Librarian of Congress at Washington."; In upper right corner: 81.; Probably detached from an atlas in which the map occupies plate no. 81.; Prime meridians: Greenwich and Washington, D.C.32 x 28 centimetersJPEGUMN_ALMA:9915621730001701engS. Augustus Mitchell (Philadelphia, Pa.?), 1880PublicCounty map of MinnesotaMapsMinnesota1880University of Minnesota