01083nam 2200361Ka 450 991069164310332120020426114432.0(CKB)5470000002346954(OCoLC)49674942ocm49674942(OCoLC)995470000002346954(EXLCZ)99547000000234695420020426d2000 ua 0engtxtrdacontentcrdamediacrrdacarrierEnhanced gob gas recovery[electronic resource][Washington, D.C.] :[U.S. Environmental Protection Agency],[2000]"June, 2000."Title from title screen.Coal mine wasteUnited StatesLongwall miningUnited StatesCoal mine wasteLongwall miningBrunner Daniel1231189United States.Environmental Protection Agency.GPOGPOBOOK9910691643103321Enhanced gob gas recovery3426487UNINA