2 map sections on 1 sheet. Originally published as plate 6 in Geology and water resources of Las Vegas, Pahrump, and Indian Spring Valleys, Clark and Nye Counties, Nevada by George B. Maxey and C.H. Jameson, which is number 5 of the Water resources bulletin published by the Nevada Office of the State Engineer. Shows permeable and impermeable materials, wells, and aquifers.

39 x 62 cm. Relief shown by hachures and spot heights. Prime meridian: Greenwich and Washington. Hand colored. Shows natural features, populated places, routes of mail steamships, routes of explorers, locations of Indian tribes, railroad routes, and proposed railroad routes. In top margin: No. 80-81. On verso: New Mexico, Arizona, Colorado, Idaho, Dakota (statistics and other information) and The state of California (statistics and other information). Original publisher: G.W. and C.B. Colton.

39 x 56 cm. Relief shown by hachures. "Entered according to act of Congress in the year 1864, by A.J. Johnson in the Clerks Office of the United States for the Southern District of New York." Atlas page numbers in upper margin: 67-68. Primer meridians: Greenwich and Washington, D.C. On verso: History and statistical view of the West India islands or Columbian Archipelago and Historical and statistical view of Mexico and Central America. Shows proposed railroads, locations of Indian tribes, natural features, counties, mines, mail routes, trails and routes of exploring expeditions. Has decorative border. Southern part of Nevada was added to the state in 1867 and is part of Nevada on this map, but Lincoln County was established in 1867 and is not on this map. This map was still probably published in 1867 in spite of someone's having written "1864" in pencil in the lower right corner of the Library's copy. Original publisher: A.J. Johnson.