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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.

'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.

Subtitle: 'On N 1/2 of SW 1/4 section 27, T 20 S, R 61 E, M.D. Mer. showing cast iron water mains. Including location and distances of valves, fire hydrants, house connections, etc. Constructed by Las Vegas Land &Water Company. Construction completed Nov. 25-1927. Cast iron pipe system throughout made at Provo, Utah by Pacific States Cast Iron Pipe Company. R.N. Clark, Construction Engineer. Map and survey made by J.T. McWilliams, C.E., Las Vegas, Nev.' Map shows ownership of some parcels of land. Scale [ca. 1:960]. 1 inch to 80 feet. Blueline print. Plat map.

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.

'April, 1946.' 'Showing location of wells, springs, and boundary between valley fill and bedrock.' At top of map: 'United States Department of Interior, Geological Survey. Water resources bulletin no. 5, plate 5. ' 'State Engineer of Nevada.' At bottom of map: 'Map showing soils, land classification, and alkali concentration in part of Las Vegas Valley.' Includes range and township grid. Scale [ca. 1:71,597. 1 in. to approx. 1.13 miles]. Series: Water resources bulletin (Carson City, Nev.), no. 5. Originally published as plate 5 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.

108 x 75 cm. Map part hand colored. Relief shown by hachures and depths shown by soundings. Accompanies U.S. Army. Corps of Topographical Engineers. Exploration and survey of the valley of the Great Salt Lake of Utah. "Map of the Great Salt Lake and adjacent country in the Territory of Utah. Surveyed in 1849 and 1850, under the orders of Col. J. J. Abert, Chief of the Topographical Bureau, by Capt. Howard Stansbury of the Corps of Topographical Engineers, aided by Lieut. J. W. Gunnison Corps Topographical Engineers and Albet Carrington. Drawn by Lieut. Gunnison and Charles Preuss. Ackerman lith 379 Broadway N. Y." Original publisher: Ackerman Lith. Scale: 1:240,000.