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 Wyoming before territorial boundaries were established, counties in Nebraska, Montana, and Idaho, existing and proposed railroads, major roads, mining activity, Pony Express and U.S. Mail routes, areas of Native American habitation, military outposts, and historic routes of exploration. Shows northwestern portion of Wyoming extending beyond 110° to 113° longitudinal lines. Relief shown by hachures and spot heights. Scale [ca. 1:3,300,000].

Map shows Wyoming before territorial boundaries were established, counties in Nebraska, Montana, and Idaho, existing and proposed railroads, major roads, mining activity, Pony Express and U.S. Mail routes, areas of Native American habitation, military outposts, and historic routes of exploration. Shows northwestern portion of Wyoming extending beyond 110° to 113° longitudinal lines. Relief shown by hachures and spot heights. Scale [ca. 1:3,300,000].

Map shows Wyoming before territorial boundaries were established, counties in Nebraska, Montana, and Idaho, existing and proposed railroads, major roads, mining activity, Pony Express and U.S. Mail routes, areas of Native American habitation, military outposts, and historic routes of exploration. Shows northwestern portion of Wyoming extending beyond 110° to 113° longitudinal lines. Relief shown by hachures and spot heights. Scale [ca. 1:3,300,000].

Map shows Wyoming before territorial boundaries were established, counties in Nebraska, Montana, and Idaho, existing and proposed railroads, major roads, mining activity, Pony Express and U.S. Mail routes, areas of Native American habitation, military outposts, and historic routes of exploration. Shows northwestern portion of Wyoming extending beyond 110° to 113° longitudinal lines. Relief shown by hachures and spot heights. Scale [ca. 1:3,300,000].

Map shows Wyoming before territorial boundaries were established, counties in Nebraska, Dakota, Montana, and Idaho, railroads, major roads, mining activity, Pony Express and U.S. Mail routes, areas of Indian habitation, military outposts, and historic routes of exploration. Relief shown by hachures and spot heights. Scale [ca. 1:3,400,000]

Map shows the mineral resources and mining activity in Idaho, Montana and Wyoming, railroads, military outposts, areas of Indian habitation and reservations, historical routes of exploration, counties, and settlements in Nebraska, Dakota Territory, Idaho, Montana, and Wyoming, and Yellowstone "National Park" in Wyoming. Relief shown by hachures and spot heights. Scale [ca. 1:3,400,000].

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.