00817cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001500142100004800157245004400205260004400249300001000293490005700303504003200360650001200392650001000404650002400414650002400438810006000462999001700522gs 49000159 DLC20260227111355.0790615s1949    mtu      b   s000 0 eng    ags 49000159   a(OCoLC)5069311  aDLCcTxCMdDLC  apremarc00aTN946b.P41 aPerry, Eugene S.q(Eugene Sheridan),d1892-10aGypsum, lime, and limestone in Montana.  aButte,bMontana School of Mines,c1949.  a45 p.1 aMontana. Bureau of Mines and Geology. Memoirvno. 29  aBibliography: p. 21-22, 45. 0aGypsum. 0aLime. 0aLimestonezMontana. 0aBuilding materials.2 aMontana Bureau of Mines and Geology.tMemoir ;vno. 29.  c28386d28386