00941nam a2200253   4500001001300000003000400013005001700017008004100034010001700075040003500092050002400127082001200151100003600163245008200199260010500281300005200386350000900438410004200447500009000489504002500579650003500604650003100639999001700670gs 68000211 DLC20260227111422.0690723s1967    nvuab    b    00010 eng c  ags 68000211   aU.S. Geological Survey Library0 aTN24.N3bA26 no. 16  a553/.6710aLeighton, Freeman Beach,d1924-1 aGold Butte vermiculite deposits, Clark County, Nevada.cby F. Beach Leighton.0 aReno,bMackay School of Mines; [for sale by the Nevada Bureau of Mines, University of Nevada]c1967.  aiii, 18 p.billus., maps (1 fold. col.)c28 cm.  a1.0010aNevada.bBureau of Mines.tReportv16  a"Modified from authors Ph.D. dissertation, California Institute of Technology, 1952."  aBibliography: p. 18. 0aVermiculitezNevadazClark Co. 0aGeologyzNevadazClark Co.  c30448d30448