38 x 48 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 53(C)." "Issued May 7th 1877." "1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." Prime meridians: Greenwich and Washington, D.C. Includes sectional diagram that shows how atlas sheets fit together. "Weyss, Herman & Lang, del." "Louis Nell, J. J. Young, topographical assistants." "Under the direction of Brig. General A. A. Hunphreys, Chief of Engineers, U. S. Army." "Expeditions of 1873 and 1876 under the command of 1st. Lieutenant William L. Marshall, Corps of Engineers, U. S. Army, 1st Lieutenant Eric Bergland, Corps of Engineers, U. S. Army, Executive Officers and field astronomers." "By order of the honorable the Secretary of War." Original publisher: Graphic Co. photo., Scale: 1 inch to 4 miles or 1:253440.

37 x 49 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 61(C)." "Expeditions of 1874 & 1875 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Louis Nell, 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." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 2 miles or 1: 126720.

84 x 43 cm. "Map no. 423-300-59." Insets: [Salton Sea]--Operational diagram, no scale. Includes index to gaging stations. Shows dams, canals, levees, pumping plants, etc. "Map compiled from Coast and Geodetic Survey sectional aeronautical charts, and Bureau of Reclamation data." Original publisher: U.S. Dept. of the Interior, Bureau of Reclamation.

'Data sources: Advanced Planning Division, Clark County, Nevada.' 'Comprehensive Planning, Advanced Planning Division.' 'June 24, 1997.' Shows federal land, metropolitan Las Vegas development area, Las Vegas urban growth boundary and section lines. Scale [ca. 1:154,056. 1 inch to approx. 12,838 feet].

'Compiled 1954. First revision - June 1958.' 'Area extends 9 miles north, 11 miles south, and 3 miles east, 3 miles west city limits of Las Vegas.' Original publisher: Campbell Realty. Scale [ca. 1:60,000. 1 in. to approx. 5,000 ft.]. Cadastral map. Hand-drawn red line around some sections on map.

57 x 47 cm., folded to 22 x 13 cm. Indicates routes of Capt. Ingalls, Col. Steptoe,and Lt. Mowrey, and shows camping grounds. Relief shown by hachures. Graphic scale given in geographical as well as statute miles. "Ackerman Lith. 319 Broadway, N.Y." Hand colored. Original publisher unknown, Series: House Ex. Doc. No. 1, 1st session, 34th Congress.

37 x 49 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 69(B)." "Issued Jan'y 8th 1878." "Expeditions of 1874-1875 & 1877 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." Prime meridians: Greenwich and Washington, D.C. "Weyss, Lang & Herman, 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." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.