Relief shown by hachures. Prime meridian: Washington. "Sold by Mitchell & Hinman." Insets: Vicinity of Detroit -- Vicinity of Cincinnati -- Falls of Ohio -- Lead region east of the Mississippi River. Includes table of steamboat routes. 1 map: hand col.; 42 x 54 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.