01285nam 2200349Ka 450 991069687750332120080723081235.0(CKB)5470000002382104(OCoLC)234872399(EXLCZ)99547000000238210420080723d1975 ua 0engtxtrdacontentcrdamediacrrdacarrierCommercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed[electronic resource] /by Herbert H. Fields, John H. Perry, and Maurice Deul[Washington, D.C.?] :U.S. Dept. of the Interior, Bureau of Mines,[1975]14 pages digital, PDF fileReport of investigations ;8025Title from title screen (viewed on July 22, 2008).Mine gasesEconomic aspectsMine gasesEconomic aspects.Fields H. H1400777Perry John H1422329Deul Maurice1400549United States.Bureau of Mines.GPOGPOBOOK9910696877503321Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed3546279UNINA