Map shows counties, existing railroads, proposed railroads, cities, towns, military posts, areas of Native American habitation, military roads, and notable physical features. Includes notes. 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 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 counties, railroads, major roads, areas of Native American habitation, military posts, towns, Overland mail route, and notable physical features. Scale [ca. 1:4,200,000].

Map shows counties, railroads, major roads, areas of Native American habitation, military posts, towns, Overland mail route, and notable physical features. Scale [ca. 1:4,200,000].

Map shows mid-nineteenth century areas of Native American reservations by tribe, U.S. military posts, settlements, and routes of survey and exploration in Nebraska and the Dakota Territory. Includes historical notes and dates. Relief shown by hachures and spot heights. Scale not given.

Map shows railroads, Native American reservations, proposed roads, existing roads, military posts, cities, towns, and physical features in late nineteenth century Nebraska and portions of Kansas, Colorado, Iowa and Dakota Territory. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [ca. 1:1,200,000].

Map shows area explored by Lieutenant G.K. Warren known as Nebraska at the time, west from Iowa to the Rocky Mountains and north to the international border. Includes explanation of colours [although map is not in color]. Inset: "Geological & barometrical section along the Missouri River from Ft. Benton to the Platte River [crosssection]." Relief shown by hachures and by profile. Scale [ca. 1:6,000,000].

Map shows railroads, trails, routes of exploration, military posts, battle locations, Native American habitation in "Dakota" [Territory], Nebraska, and eastern Wyoming. Includes expedition dates, authorities, and text notes. Relief shown by hachures. Scale 1:1,200,000.

Map shows Native American reservations, counties, railroads, agencies, roads, cities, towns, and notable physical features; also military posts and reservations for Dakota Territory on verso. Inset: Western end of Nebraska. Relief shown by hachures. Scale [ca. 1:2,000,000] and [ca. 1:4,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, and Minnesota. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [1:1,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, Minnesota, and northern portions of Kansas. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [1:1,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, and Minnesota. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [1:1,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, and Minnesota. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [1:1,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, Minnesota, and northern portions of Kansas. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [ca. 1:1,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, and portions of Kansas. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [1:1,200,000].

Map shows areas of military posts, trading posts, settlements, Native American habitation, and physical features in Nebraska Territory, Dakota Territory, and Minnesota. Includes notes and routes of explorers or survey parties. Relief shown by hachures and spot heights. Scale [1:1,200,000].

Map shows counties, existing and proposed railroads, cities, towns, and notable physical features; also areas of Native American habitation for Dakota [Territory], Minnesota, and Nebraska. Relief shown by hachures. Scale [ca. 1:3,300,000].

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.