01384nam 2200385Ka 450 991069688600332120080722105405.0(CKB)5470000002382018(OCoLC)234383561(EXLCZ)99547000000238201820080722d1983 ua 0engtxtrdacontentcrdamediacrrdacarrierControl of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)[electronic resource] /A.A. Campoli, J. Cervik, and S.J. Schatzel[Washington, D.C.] :U.S. Dept. of the Interior, Bureau of Mines,[1983]17 pages digital, PDF fileReport of investigations ;8841Title from title screen (viewed on July 18, 2008).Control of longwall gob gas with cross-measure boreholes FiredampMine ventilationFiredamp.Mine ventilation.Campoli A. A(Alan A.)1414631Cervik Joseph1389517Schatzel Steven J1395446United States.Bureau of Mines.GPOGPOBOOK9910696886003321Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)3514492UNINA