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 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 the names of military explorers, dates, and historical routes of their exploration from the Mississippi River to the Pacific Ocean. Displays railroads, "military posts," Indian agencies, existing and proposed astronomical stations, existing and proposed telegraph lines, state boundaries, major cities, public lands, Indian Territory, Dakota Territory, and area statistics "West of 100th Meridian" in square miles. Includes legend and index. Relief not shown. Scale [1:6,000,000].

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.

Map shows cities, counties, and railroads for states along and east of the Rocky Mountains and west of the Mississippi River. Includes "Index to the sectional maps of the United States" on verso. Relief shown by hachures and spot heights. Scale [1:4,870,000].

Map shows state boundaries, railroads, cities, towns, military outposts, and notable geographic points, and particularly Yellowstone National Park, for the northern United States from the Pacific Coast to the the Great Lakes; Dakota [Territory], township grid for Minnesota, mineral resources. Includes notes. Relief shown by hachures and spot heights. Scale not given.

Map shows railroads, cities and towns along railroad routes, state boundaries, and national parks for the northwestern United States. Includes text notes in panel below map. Inset: [continuation of map from Shattuc, Ohio to Paducah, Kentucky]. Scale not given.

Explanation and supporting information related to map that shows late nineteenth century areas and types of mineral concentration, mines, county lines, towns, railroads, mountain peaks, rivers, and tributaries in the Black Hills.

Map shows late nineteenth century areas and types of mineral concentration, mines, county lines, towns, railroads, mountain peaks, rivers, and tributaries in the Black Hills. Towns and railroads in Deadwood region are also indicated. Relief shown by hachures and spot heights. Scale [1:316,800].

Map shows the geography, place names, and Native American tribal locations within the mid-nineteenth century northwestern United States territories. Dakota Territory borders are highlighted in red ink. No scale noted.

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 counties, roads, railroads, military outposts, areas of Indian habitation, mountain passes, cities, towns, and notable geographic features. Includes notes. Scale [ca. 1:3,540,000].

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.