01223nam 2200361Ka 450 991069686250332120080724080724.0(CKB)5470000002382256(OCoLC)235941408(EXLCZ)99547000000238225620080724d1975 ua 0engtxtrdacontentcrdamediacrrdacarrierHydraulic stimulation increases degasification rate of coalbeds[electronic resource] /C.H. Elder and Maurice Deul[Pittsburgh, Pa.?] :U.S. Dept. of the Interior, Bureau of Mines,[1975]17 pages digital, PDF fileReport of investigations ;8047Title from title screen (viewed on July 23, 2008).Mine gasesCoal mines and miningMine gases.Coal mines and mining.Elder C. H(Curtis H.)1400548Deul Maurice1400549United States.Bureau of Mines.GPOGPOBOOK9910696862503321Hydraulic stimulation increases degasification rate of coalbeds3467680UNINA