Map shows roads, Fremont's route, areas of Native American habitation in California, Texas, and New Mexico and Utah territories. Relief shown by hachures. Scale [ca. 1:10,000,000].

Map shows state and territorial boundaries, railroads, canals, cities and towns, marshlands, and areas of Native American habitation. Inset: "Schildkroten In." [Galapagos Islands]. Includes number key and table of statistics. Relief shown by hachures and spot heights. Scale not given.

Map shows eastern route of Heinrich Balduin Mollhausen across the southwestern United States from the Mississippi River to the Pacific Coast during 1853 and 1854. Areas of Native American habitation, military posts, and settlements are noted. Insets: [Map of the mid-western states] and "Profil fra Ft. Smith til Sydhavet" [More of Ft. Smith to the Southern Ocean]. Scale [1:6,015,000].

Map shows mid-nineteenth century New Mexico, Texas, and "Indian Territory" [Oklahoma]. Cities, towns, railway lines, roads, and locations of Native American tribes are noted. No scale is indicated.

Map shows mid-nineteenth century western territories of the United States and northern Mexico. Areas of Native American occupancy are shown. Relief shown by hachures and spot heights. Scale [ca. 1:7,500,000].

Map shows cities and towns, Mexican states; New Mexico north of Arizona; proposed railroad and canal across Isthmus of Tehauntepec. Includes notes. Inset: "Territory and Isthmus of Tehuantepec." Relief shown by hachures. Scale [ca. 1:8,400,000].

Map shows mid-nineteenth century New Mexico, Texas, and "Indian Territory" [Oklahoma]. Cities, towns, railway lines, roads, and locations of Native American tribes are noted. No scale is indicated.

Map shows southern boundary of Nevada along 37th line of latitude, eastern boundary of Idaho at the 104th line of latitude; mining activity, Pony Express Express and mail routes, expenditionary routes, proposed railroad routes, areas of Indian habitation, counties, and major cities. Relief shown by hachures and spot heights. Scale [ca. 1:4,400,000].

Map shows major cities, military outposts, boundary lines for Old California, New Mexico, Texas, and Mexico. Includes dates in notes on boundary lines. Relief shown by shading. Scale [ca. 1:14,500,000].

Map shows geology of the American Southwestern between the Rio Grande River and Pima villages. This map prepared to support the findings of an expedition conducted to help determine a feasible trans-continental railroad route. Scale [ca. 1:1,200,000].

Map shows profile of a line through the western United States from Fort Smith, Arkansas, to the Pacific Ocean near San Francisco in five continguous segments: "Waters of the Mississippi River," "Waters of the Rio Del Norte," "Waters of Mojave River," "Waters of the Gulf of California," and "Waters of the Pacific." Relief shown by profile. Scale [1:950,400]. Map published with Reports of Explorations for a Railroad Route.

Map shows routes of exploration, area of Native American habitation, settlements, geographical features across the territory of New Mexico; camps and astronomical stations. Includes geological key. Relief shown by shading and hachures. Scale [1:760,320].

Map shows proposed railroad routes, areas of Native American habitation, notable geographical features, mines, and counties. Relief shown by hachures and spot heights. Scale [ 1:3,450,000 ].

Map shows mid-nineteenth century existing and proposed railroads lines, township grid, military posts, areas of Indian habitation and reservations, mines, cities, and towns. Includes geographic and historical notes. Relief shown by hachures. No scale given.

Map shows notable geographic features, cities and towns, major roads, counties, and areas of Indian habitation in Utah and New Mexico territories [which include present day Arizona and Nevada]. Includes notes regarding boundaries. Relief shown by hachures and spot heights. Scale [ca. 1:4,550,000].

Map shows mid-nineteenth century New Mexico, Texas, and "Indian Territory" [Oklahoma]. Cities, towns, railway lines, roads, and locations of Native American tribes are noted. No scale is indicated.

Map shows camp locations, wagon roads, notable geographical features, Native American villages, water wells, settlements, military posts, mining activity, and mineral resources. Relief shown by hachures. Scale [1:633,600].

Map shows Nevada carved out of Utah [territory], New Mexico [territory] north and parallel to Arizona [territory]; counties, areas of Native American habitation by tribe, major cities and towns, trails and roads, mineral resources, and mountain passes; boundaries between United States and Mexico as established by the Compromise of 1850 and the Gadsden Treaty. Includes notes and routes and dates of exploration. Relief shown by hachures and spot heights. Scale not given.

Map shows mid-nineteenth century routes of exploration and navigation along the Colorado River. Relief shown by shading and hachures. Scale [ca. 1:760,320].

Map shows towns, military outposts, rivers, and military reconnaissance surveys in parts of mid-nineteenth century Texas, New Mexico, and Mexico. Includes list of authorities and table of readings from surveyor's stations. Relief shown by hachures and pictorially. Scale [1:1,500,000].

Map shows mid-nineteenth century settlements, township grid, areas of Native American habitation, and physical features for New Mexico, and portions of Indian Territory, Texas, and Utah. Relief shown by hachures. Scale [1:1,520,640].

Map shows mid-nineteenth century New Mexico township grid, existing towns, military posts, and areas of Native American habitation. Relief shown by hachures. Scale [ca. 1:1,545,000].