00856cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111042001200160043001200172050002000184100002500204245011400229260004400343300003500387490007900422650001400501700001900515830008000534gs 52000143 DLC20260227111358.0790801s1952    mtuab        s000 0 eng c  ags 52000143   a(OCoLC)5230677  aU.S. Geol. Survey. Libr.cTxEUdWaChenEdDLC  apremarc  an-us-mt00aHD9539.T83bU661 aMcGlashan, Donald W.14aThe Tungsten situation in Montana as a factor in national defense,cby Donald W. McGlashan and Perry F. Roys.  aButte,bMontana School of Mines,c1952.  av, 47 p.billus., map.c28 cm.1 aMontana. Bureau of Mines and Geology. Miscellaneous contributions,vno. 12 0aTungsten.1 aRoys, Perry F. 0aMiscellaneous contribution (Montana Bureau of Mines and Geology) ;vno. 12.