00839cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111042001200160050001500172086002700187100003600214245002800250260006700278300002700345410006900372490003900441500005700480504003300537650001500570gs 17000006 DLC20260227111320.0780828s1916 azu b s000 0 eng c ags 17000006  a(OCoLC)4172712 aU.S. Geol. Survey. LibrarycMiDWdOCoLCdDLC apremarc00aTN400b.J70 aMN 1.3:B 85/432azdocs1 aJoseph, Phineas Eleasor,d1891-00aIron,cby P. E. Joseph. aTucson, Ariz.,bUniversity of Arizona, Bureau of minesc[1916] a1 p. l., 13 p.c23 cm.20aUniversity of Arizona.bState Bureau of Mines.tBulletinvno. 430 aMineral technology series,vno. 15 aAt head of title: ...University of Arizona bulletin. aBibliography: verso of t.-p. 0aIron ores.