01002cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111042001200137050002500149051002400174086002800198100004500226245005900271260005000330300001800380490007100398504003400469650001800503810007300521810007700594830005300671gs 35000278 DLC20260227111340.0760224s1935 azu s000 0 eng  ags 35000278  a(OCoLC)2010776 aDLCcAzFUdOCoLCdDLC apremarc00aTN24.A6bA35 no. 139 aTN263b.B8cCopy 2.0 aMN 1.3:B 85/1392azdocs1 aButler, G. M.q(Gurdon Montague),d1881-10aSome facts about ore deposits,cby G. Montague Butler. aTucson, Ariz.,bUniversity of Arizonac[1935] a99 p.c23 cm.1 aArizona. Bureau of Mines. Bulletinvno. 139; Geology series, no. 8 aSelected bibliography: p. 99. 0aOre deposits.2 aUniversity of Arizona.bState Bureau of Mines.tBulletin ;vno. 139.2 aUniversity of Arizona.bState Bureau of Mines.tGeology series ;vno. 8. 0aBulletin (University of Arizona) ;vv. 6, no. 6.