01195cam a22003131 4500001001300000003000400013005001700017008004100034010001700075035001900092040004700111042001200158050001800170082001100188100003900199245010600238260004000344300004200384440006800426500009100494500006100585650002800646650002200674700006000696710002800756710002900784710005100813999001700864gs 33000082 DLC20260227111337.0770221s1931 nvuab 000 0 eng c ags 33000082  a(OCoLC)2752413 aU.S. Geol. Survey. Libr.cTxEUdOCoLCdDLC apremarc00aTN490.M3bH55 a553.461 aHewett, Donnel Foster,d1881-1971.10aBedded deposits of manganese oxides near Las Vegas, Nevada,cby D.F. Hewett ... [and] B.N. Webber ... aReno,bUniversity of Nevadac[1931] a17 p., 1 l. incl. map, diagr.c23 cm. 0aUniversity of Nevada bulletin,vvol. XXV, no. 6, August 1, 1931 aAt head of title: Bulletin of Nevada State Bureau of Mines and Mackay School of Mines. aIn cooperation with the United States Geological Survey. 0aManganese oreszNevada. 0aManganese oxides.1 aWebber, B. N.q(Benjamin Nevitt),d1899-ejoint author.2 aNevada Bureau of Mines.2 aGeological Survey (U.S.)2 aUniversity of Nevada.bMackay School of Mines. c27012d27012