Map shows mid-nineteenth century Iowa and Wisconsin counties, cities, towns, Native American villages, and notable geographic features. Includes explanation and notes. Relief shown by hachures. Scale [ca. 1:3,270,000].

Map shows counties, roads, railroads, canals, cities and towns for Ohio, Indiana, Illinois, and parts of Michigan and Wisconsin Territory; mining activity for lead region of Illinois and Wisconsin Territory; township grid for lower Michigan. Insets: "Vicinity of Detroit," "Vicinity of Cincinnati," "Falls of Ohio," and "Lead region east of the Mississippi River." Includes explanation and table of steamboat routes. Scale [ca. 1:2,028,000].