Bedded deposits of manganese oxides near Las Vegas, Nevada Hewett, Donnel Foster 1881-1971 creator Webber, B. N. (Benjamin Nevitt) 1899- joint author. Nevada Bureau of Mines Geological Survey (U.S.) University of Nevada Mackay School of Mines. text nvu Reno University of Nevada [1931] 1931 monographic eng
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17 p., 1 l. incl. map, diagr. 23 cm. by D.F. Hewett ... [and] B.N. Webber ... At head of title: Bulletin of Nevada State Bureau of Mines and Mackay School of Mines. In cooperation with the United States Geological Survey. Manganese ores Nevada Manganese oxides TN490.M3 H55 553.46 University of Nevada bulletin, vol. XXV, no. 6, August 1, 1931 gs 33000082 U.S. Geol. Survey. Libr. 770221 20260227111337.0 gs 33000082