Transcribed from the original: 'Made in 1851 under the direction of Col J.J. Abert, Chief of Corps Topographical Engineers, by BVT. Capt. L. Sitgreaves, T.E., assisted by Lieut. J.G. Parke, T.E., and Mr. M.H. Kern. Drawn by R.H. Kern, 1852.' 'Gila River from a reconnaissance by Maj. Emory, Topographical Engrs. Colorado River below Camp Yuma from a reconnaissance by Lt. Derby Topographical Engrs.' Shows Indian villages and forts. Upper right corner partially missing. Scale [ca. 1:650,000]. Scale of 10 miles to one inch.' 'Ackerman Lith.: 379 Broadway, N.Y.'

38 x 49 cm. Relief shown by hachures and spot heights. "Atlas sheet no. 61(D)." "Issued Jan. 10th 1878." "Expeditions of 1873, 74, 75 & 76 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." Prime meridians: Washington, D.C. and Greenwich. Includes sectional diagram showing how atlas sheets fit together. "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." " J. C. Spiller, Louis Nell, topographical assistants." "Expeditions of 1873, 74, 75 & 76 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." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale 1 inch to 4 miles or 1:253440.

At top of map: 'U.S. Geological Survey, George Otis Smith, Director. Water-supply paper no. 224, pl. 1.' 'Topography compiled from U.S. Geographical Survey atlas sheets,Perris' map of Southern California and other sources.' Relief shown by hachures. Shows township and range grid. Covers the area from Bishop south to the Mexican border, from Long Beach and San Diego to the Arizona border, and the southern part of Nevada, from Beatty and Mesquite south. Scale [ca. 1:1,140,480. 1 in. to approx. 18 miles] (W 118°00´- -W 114°00´/N 37°00´--N 32°32´). Series: Water-supply paper (Washington, D.C.)
224. Map is plate 1 from the U.S. Geological Survey Water-supply paper 224.

At top of map: ' United States Department of the Interior, Geological Survey. Professional paper 712-C, plate 1. Prepared on behald of the U.S. Atomic Energy Commission.' At bottom of map: 'Base from U.S. Geological Survey, Caliente, Death Valley, Goldfield and Las Vegas, 1954. 100,00-foot grid based on Nevada coordinate system, central zone.' 'Hydrogeology by I. J. Winograd, 1965; geology by William Thordarson.' Relief shown by contours and spot heights. Shows township and range lines. Includes diagram of downward and upward cross-flow of water. Includes bibliographical references and index. Contour interval 200 feet. Scale 1:250,000 (W 117°--W 115°/N 38°--N 36°). Series: Professional paper (Geological Survey (U.S.), 712-C. Issued as plate 1 from Hydrogeologic and hydrochemical framework, south-central Great Basin, Nevada-California with special reference to the Nevada Test Site. Prepared on behalf of the U.S. Atomic Energy Commission by Isaac J. Winograd and William Thordarson. Published 1975 by U.S. Govt. Print. Off. in Washington.

'Exhibit A'. 'Approved Sept. 21, 1916.' '2-N-1719' handwritten in lower right corner. 'W.E.J."--Lower left corner. "L-44 - 50 to 61. T-75 - 17 & 46"--Upper left corner. Includes discharge figures and plans for improvements to springs. Scale [ca. 1:240]. 1 in. to 20 feet. -- Scale [ca. 1:2,400]. 1 in. to 200 ft. Vertical scale [ca. 1:48]. 1 in. to 4 feet. -- Scale [ca. 1:4,800]. 1 in. to 100 feet. 1 map. Contents: Detail at springs -- Profile -- Alignment.

37 x 50 cm. Prime meridian: Washington, D.C. Relief shown by hachures and spot heights. "Issued May 7th, 1877. 2nd ed., June 30th, 1881." "Atlas sheet no. 77(B)." "Expeditions of 1871 & 1786 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army." "Weyss, Herman & Lang, del." Probably originally published as part of the geological atlas which is an appendix to the Surveys' Report upon United States geographical surveys west of the one hundredth meridian. Geological map. "Prof. John J. Stevenson, geological assistant." Original publisher: U.S. Geographical Surveys West of the 100th Meridian, Scale: 1 inch to 4 miles or 1: 253440.

39 x 52 cm. Relief shown by hachures and spot heights "Issued June 30, 1881." "Expeditions of 1873, 1878 and 1879 under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers U.S. Army." Geological map Probably originally published as part of the geological atlas which is an appendix to the Surveys' Report upon United States geographical surveys west of the one hundredth meridian. "Prof. John J. Stevenson, geological assistant." "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.