LEADER 01320nam  2200373Ka 450 
001 9910696832203321
005 20080728102458.0
035   $a(CKB)5470000002382562
035   $a(OCoLC)236165973
035   $a(EXLCZ)995470000002382562
100   $a20080728d1982      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUnderground gob gas drainage during longwall mining$b[electronic resource] / Steven J. Schatzel, Gerald L. Finfinger, and Joseph Cervik
210  1$a[Pittsburgh, Pa.?] :$cU.S. Dept. of the Interior, Bureau of Mines,$d[1982]
215   $a14 pages $cdigital, PDF file
225 1 $aReport of investigations ;$v8644
300   $aTitle from title screen (viewed on July 28, 2008).
606   $aLongwall mining$xSafety measures
606   $aCoalbed methane drainage
615  0$aLongwall mining$xSafety measures.
615  0$aCoalbed methane drainage.
700   $aSchatzel$b Steven J$01395446
701   $aFinfinger$b Gerald L$01396023
701   $aCervik$b Joseph$01389517
712 02$aUnited States.$bBureau of Mines.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696832203321
996   $aUnderground gob gas drainage during longwall mining$93455415
997   $aUNINA