01072cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040005300111050001700164082001100181100004900192245018400241260004600425300005400471440007000525500009100595650003300686710002800719710002800747740004300775gs 33000394 DLC20260227111338.0760804s1933    nvuab         000 0 eng c  ags 33000394   a(OCoLC)2354931  aU.S. Geol. Survey. LibrarycOTUdOCoLCdTxUdDLC00aQE138.T9bF4  a557.931 aFerguson, Henry G.q(Henry Gardiner),d1882-10aGeology of the Tybo district, Nevada,cby Henry G. Ferguson ... Prepared and published by the Nevada State Bureau of Mines in cooperation with the United States Geological Survey.  aReno, Nev.,bUniversity of Nevadac[1933]  a61 p.billus., 3 fold. maps (1 in pocket)c23 cm. 0aUniversity of Nevada bulletin,vvol. XXVII: no. 3, August 1, 1933  aAt head of title: Bulletin of Nevada State Bureau of Mines and Mackay School of Mines. 0aGeologyzNevadazNye County.2 aNevada Bureau of Mines.2 aMackay School of Mines.0 aTybo district, Nevada, Geology of the.