Map shows towns, mountain peaks names, railroads, marshland, roads, "Indian agencies," and Native American habitation. Relief shown by hachures and spot heights. Scale [1:506,880].

Map shows natural resources, forests, grasslands, mineral resources, cities and towns, Indian reservations, springs, roads, trails, passes, railroads, and physical features. Relief shown by shading and spot heights. Scale [1:506,880].

Map shows geological composition, cities and towns, Native American reservations, springs, roads, trails, passes, railroads, and physical features. Includes key to geological composition. Relief shown by shading and spot heights. Scale [1:506,880].

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 county lines, cities and towns, military posts, existing and proposed railroad routes, areas of Native American habitation, and mineral resources; territories of Washington, Montana, Idaho, Utah, and Arizona. Relief shown by hachures and spot heights. Scale [ca. 1:2,680,000] and [ca. 1:2,450,000].

Map showing the geologic features of the Wells quadrangle project area in Nevada, Utah, and Idaho. Scale 1: 250,000.

Map shows late nineteenth century Idaho railroads, counties, cities, and towns. Relief shown by hachures. Scale [ca. 1:4,679,000] and [ca. 1:3,802,000].