mining engineer; later member of Nevada Mining Association; "...president of three Nevada mining companies and is secretary and engineer of Mines Exploration Incorporated..." p. 120, The Nevada Desert, by Sessions S. Wheeler, The Caxton Printers, 1989. https://books.google.com/books?isbn=087004205X
Testimony of Roy A. Hardy consulting engineer, Getchell Mine Inc. Reno, Nevada and president, Nevada Mining Association, Reno, Nevada before the
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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.
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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.
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Report of the 1941 activities in the Clark County's Flood Control Program in overcoming the flood menace in the Las Vegas, Moapa, and Virgin Valleys. Project Number: State Office No. 172. Clark County No. 12
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Report on flood control programs in the Las Vegas, Moapa, and Virgin River Valleys.
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