37 x 50 cm. Relief shown by hachures and spot heights "Atlas sheet no. 77(B)." "Issued May 7th 1877." "Expeditions of 1871 & 1786 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Weyss, Herman & Lang, del." "By order of the honorable the Secretary of War." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." "2nd. Ed. June 30th, 1881." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

90 x 71 cm. Relief shown by hachures. In bottom margin: "Julius Bien, Lith." "Note. This map has been constructed from atlas sheets of the U.S. Geographical and Geological Survey of the Rocky Mountain Region with additional material taken from the maps of the U.S. Geographical Explorations and Surveys west of the 100th meridian, Lieut. Geo. M. Wheeler, Corps of Engineers, in charge ; the U.S. Geological Exploration of the 40th parallel, Clarence King, U.S. Geologist in charge ; and the U.S. Geologial and Geographical Survey of the Territories, F.V. Hayden, in charge." At head of title: Department of the Interior, U.S. Geographical and Geological Survey of the Rocky Mountain region, J.W. Powell in charge. Original publisher unknown.

Relief shown by contours. Includes range and township grid. Shows springs, wells and areas of discharge. Scale [ca. 1:67,162. 1 in. to approx. 1.06 miles]. Series: Water resources bulletin (Carson City, Nev.)
no. 5. Originally published as plate 7 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.