Sold by Mitchell & Hinman.;Includes table of steamboat routes.; Vicinity of Detroit, Vicinity of Cincinnati, Falls of Ohio, Lead region east of the Mississippi River.;Karpinski, L. Bibliography of the printed maps of Michigan 1804-1880, no. 126.; Washington.;Relief shown by hachures.;1 map, colored;42 x 54 cm.;ca. 1:2,000,000