00830cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001600142100004800158245006600206260004400272300003700316410005700353504002800410650004200438650001000480650001400490650001700504650001400521999001700535gs 49000120 DLC20260227111355.0780815s1948    mtua          000 0 eng    ags 49000120   a(OCoLC)4143629  aDLCcTxEUdDLC  apremarc00aTN24.M9bP41 aPerry, Eugene S.q(Eugene Sheridan),d1892-10aTalc, graphite, vermiculite and asbestos deposits in Montana.  aButte,bMontana School of Mines,c1948.  avi, 44 p.billus., maps,c28 cm.20aMontana Bureau of Mines and Geology.tMemoirvno. 27  aBibliography: p. 43-44. 0aMines and mineral resourceszMontana. 0aTalc. 0aGraphite. 0aVermiculite. 0aAsbestos.  c28366d28366