Blueline map showing the boundary line between Texas and Mexico, showing topographic markings. Scale 1: 999,996 (15 miles and 4133 ft = 1 in.)

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 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 ].

Photograph of an illustration depicting a typical camp for the U.S. Army Camel Corps, including supplies, horses, and field personnel. In the foreground, men are organizing supplies while the camels and horses are resting behind them.

Map of most of the state of Texas and some of the surrounding areas, including parts of New Mexico, Oklahoma, Arkansas, and Louisiana. It includes markings for roads, major cities, bodies of water, and and some geographic features, with relief shown by hachures. Prime meridian: Greenwich. Includes list of authorities, coordinates of selected locations, and descriptive notes on various rivers.