01115cam a22003011  4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111042001200137050001500149086002800164100003300192245004800225260007500273300003600348490004800384490003800432500005400470504003600524650001400560700006000574810007300634810008900707999001700796gs 21000265 DLC20260227111325.0760218s1921    azua         s000 0 eng    ags 21000265   a(OCoLC)1999123  aDLCcAzFUdOCoLCdDLC  apremarc00aTN930b.A50 aMN 1.3:B 85/1132azdocs1 aAllen, Milton Arthur,d1890-10aAsbestos,cby M. A. Allen and G. M. Butler.  aTucson, Ariz.,bUniversity of Arizona, Arizona bureau of mines,c1921.  a31 p.billus. (map) pl.c23 cm.1 aArizona. Bureau of mines, Bulletinvno. 1131 aMineral technology seriesvno. 24  aAt head of title: University of Arizona bulletin.  aSelected bibliography: p.30-31. 0aAsbestos.1 aButler, G. M.q(Gurdon Montague),d1881-ejoint author.2 aUniversity of Arizona.bState Bureau of Mines.tBulletin ;vno. 113.2 aUniversity of Arizona.bState Bureau of Mines.tMineral technology series ;vno. 24.  c26103d26103