01386cam a22003131  4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111050001600137086002800153100004800181245023000229260005000459300005300509410007100562490003100633500006400664504003100728650004200759650004700801700002700848700003400875710002900909810008100938830005301019gs 38000114 DLC20260227111343.0760218s1938    azuabf       s000 0 eng    ags 38000114   a(OCoLC)2000436  aDLCcAzFUdOCoLCdDLC00aQE86.T6bB80 aMN 1.3:B 85/1432azdocs1 aButler, B. S.q(Bert Sylvenus),d1877-1960.10aGeology and ore deposits of the Tombstone district, Arizona,cby B. S. Butler, E. D. Wilson and C. A. Rasor. Prepared under a co-operative agreement between the Arizona Bureau of Mines and the United States Geological survey.  aTucson, Ariz.,bUniversity of Arizonac[1938]  a114 pbillus., portfolio of maps, platesc23 cm.20aUniversity of Arizona.bState Bureau of Mines.tBulletin,vno. 1431 aGeological series,vno. 10  aUniversity of Arizona bulletin, v. 9, no. 1, January, l938.  aBibliographical footnotes. 0aGeologyzArizonazTombstone district. 0aOre depositszArizonazTombstone district.1 aWilson, Eldred,d1898-1 aRasor, Charles Alfred,d1905-2 aGeological Survey (U.S.)2 aUniversity of Arizona.bState Bureau of Mines.tGeological series ;vno. 10. 0aBulletin (University of Arizona) ;vv. 9, no. 1.