This series of maps are printed on a single sheet with Maps No. 12 (Texas) and No. 14 (Michigan & Wisconsin) on one side and Map No. 13 (Chief Part of the Western States) on the other. All of the maps include major cities, roads, and geographic levels (relief shown with hachures) and have the counties of each state drawn in and labeled. On the map of Texas, there are two insets: in the upper left corner, "Northern Texas on the same scale as the larger Map" and in the lower left corner, "Map of the Vicinity of Galveston City" which has a different scale. Scale [ca. 1:5,000,000] (W 103°--W 93°/N 34° --N 26°). Scale [ca.1: 3,200,000] (W 93°--W 82°/N 48° --N 42°). Scale [ca.1: 3,200,000] (W 96° --W 80°/N 43° --N 37°). Prime meridians: Washington and Greenwich.

Map shows mid-nineteenth century Iowa, Wisconsin, Michigan, Illinois, Indiana, Kentucky, and Missouri, Ohio, and parts of Minnesota, Nebraska and Kansas territories. Cities, towns, roads, proposed Pacific Railway routes, and locations of Native American tribes are noted throughout. No scale is indicated.

Map shows mid-nineteenth century Iowa, Missouri, Illinois and Indiana counties, roads, canals, mining activity, cities and towns. Includes legend. Scale not given.

Map shows proposed Pacific Railway routes and existing transportation routes across the mid-nineteenth century north-central United States. Relief shown by hachures. Scale [ca. 1:3,294,720].

Map shows existing and proposed railroads, major cities and towns, and major rivers through the midwestern states of Wisconsin, Michigan, Indiana, Kentucky, Missouri, Illinois, and Iowa, and parts of Ohio, Tennessee, Kansas, Minnesota, and Nebraska. Scale not given.

Map shows counties boundaries, cities and towns, railroads, the National Road, canals, and mining activity in Ohio, Kentucky, Indiana, Illinois, Missouri, and parts of Wisconsin, Michigan, Iowa, and Virginia. Includes explanatory notes. Relief shown by hachures. Scale [ca. 1:3,120,000].

Map shows major cities and towns, state boundaries, rivers, and mountains for Minnesota, Wisconsin, Michigan, Ohio, Kentucky, Tennessee, Arkansas, Missouri, Illinois, Indiana, and Iowa.; the Great Lakes; railroads and nearby settlements for vicinity maps of St. Louis and Cincinnati. Relief shown by hachures. Scale [ca. 1:6,760,000].

Map shows mid-nineteenth century township grid, railroads, canals, roads, counties, areas of Indian habitation, mining activity, cities, towns, and notable physical features in the upper mid-western United States. Scale [ca. 1:2,500,000].