01299nam 2200337Ka 450 991069689150332120080722082626.0(CKB)5470000002381963(OCoLC)234380071(EXLCZ)99547000000238196320080722d1974 ua 0engtxtrdacontentcrdamediacrrdacarrierDegasification of the Mary Lee coalbed near Oak Grove, Jefferson County, Ala., by vertical borehole in advance of mining[electronic resource] /by C.H. Elder and Maurice Deul[Pittsburgh, Pa.?] :U.S. Dept. of the Interior, Bureau of Mines,[1974]21 pages digital, PDF fileReport of investigations ;7968Title from title screen (viewed on July 18, 2008).Coalbed methane drainageAlabamaCoalbed methane drainageElder C. H(Curtis H.)1400548Deul Maurice1400549United States.Bureau of Mines.GPOGPOBOOK9910696891503321Degasification of the Mary Lee coalbed near Oak Grove, Jefferson County, Ala., by vertical borehole in advance of mining3482990UNINA