Map shows trail route from Independence, Missouri (and also St. Joseph) to Sacramento, California across the "political divisions of the Great West": Missouri, Kansas, Nebraska, South Dakota, Wyoming, Colorado, Idaho, Utah, Oregon, California, and Nevada, landmarks and areas of Indian habitation. Includes note describing area and history of the route. Inset: United States west of Mississippi River showing political divisions in 1849. Relief shown by hachures. Scale not given.

Map shows various surveyed railroad routes to the Pacific Coast; Idaho Territory extending east to 104 degree line of longitude; areas of Native American habitation by tribe, notable physical features, military outposts, settlements, and existing railroads. Relief shown by hachures and spot heights. Scale [ca. 1:4,866,000].

Map shows counties in Nebraska, Kansas and Colorado, Pony Express and Santa Fe routes, areas of Native American habitation, cities, towns, and mineral resources. Relief shown by hachures. Scale [ca. 1:4,000,000].

Map shows counties in Nebraska, Kansas and Colorado, Pony Express and Santa Fe routes, areas of Native American habitation, cities, towns, and mineral resources. Relief shown by hachures. Scale [ca. 1:4,000,000].