00990cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111042001200137050001800149100004800167245007000215260005100285300001000336490005600346500015300402500004000555650002600595650002700621810005900648999001700707gs 31000107 DLC20260227111335.0790614r1931uuuumtu s000 0 eng  ags 31000107  a(OCoLC)5066252 aDLCcTxCMdOCoLCdDLC apremarc00aGB1025.M9bP41 aPerry, Eugene S.q(Eugene Sheridan),d1892-10aGround-water in eastern and central Montana,cby Eugene S. Perry. aButte, Mont.,bMontana School of Mines,c1931. a59 l.1 aMontana. Bureau of Mines and Geology. Memoirvno. 2 aAt head of title: State of Montana. M. A. Brannon, Chancellor, the University of Montana. Bureau of Mines and Geology. Francis A. Thomson, Director. aAutographed from type-written copy. 0aGroundwaterzMontana. 0aWater-supplyzMontana.2 aMontana Bureau of Mines and Geology.tMemoir ;vno. 2. c26867d26867