01392nam 2200361Ka 450 991069684450332120080725094648.0(CKB)5470000002382437(OCoLC)236081656(EXLCZ)99547000000238243720080725d1972 ua 0engtxtrdacontentcrdamediacrrdacarrierMethane emission rate study in a deep Pocahontas No. 3 coalbed mine in conjunction with drilling degasification holes in the coalbed[electronic resource] /by Stephen Krickovic and J.D. Kalasky[Pittsburgh, Pa.?] :U.S. Dept. of the Interior, Bureau of Mines,[1972]12 pages digital, PDF fileReport of investigations ;7703Title from title screen (viewed on July 23, 2008).Coalbed methane drainageVirginiaMine ventilationCoalbed methane drainageMine ventilation.Krickovic Stephen1405795Kalasky J. D1416425United States.Bureau of Mines.GPOGPOBOOK9910696844503321Methane emission rate study in a deep Pocahontas No. 3 coalbed mine in conjunction with drilling degasification holes in the coalbed3521714UNINA