01223nam 2200361Ka 450 991069684510332120080725092929.0(CKB)5470000002382431(OCoLC)236080642(EXLCZ)99547000000238243120080725d1971 ua 0engtxtrdacontentcrdamediacrrdacarrierMethane emission rate studies in a central Pennsylvania mine[electronic resource] /by Stephen Krickovic and Charles Findlay[Pittsburgh, Pa.?] :U.S. Dept. of the Interior, Bureau of Mines,[1971]9 pages digital, PDF fileReport of investigations ;7591Title from title screen (viewed on July 23, 2008).Coalbed methanePennsylvaniaFiredampCoalbed methaneFiredamp.Krickovic Stephen1405795Findlay Charles1405796United States.Bureau of Mines.GPOGPOBOOK9910696845103321Methane emission rate studies in a central Pennsylvania mine3482989UNINA