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 shows historic routes of exploration, suggested routes of travel to California's Gold region, Oregon, areas of Native American habitation, and major cities. Includes text in lower panel: "Important directions to persons emigrating to California" and "Description of California, or the new gold region." Relief shown by hachures. Depths by soundings. Scale [ca. 1:6,000,000] and [ca. 1:40,000,000].

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.