LEADER 01356nam  2200373Ka 450 
001 9910696886303321
005 20231024224257.0
035   $a(CKB)5470000002382015
035   $a(OCoLC)234382546
035   $a(EXLCZ)995470000002382015
100   $a20080722d1972      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aEffect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed)$b[electronic resource] /$fby T.D. Moore and M.G. Zabetakis
210  1$a[Pittsburgh, Pa.?] :$cU.S. Dept. of the Interior, Bureau of Mines,$d[1972]
215   $a9 pages $cdigital, PDF file
225 1 $aReport of investigations ;$v7657
300   $aTitle from title screen (viewed on July 18, 2008).
517   $aEffect of a surface borehole on longwall gob degasification
606   $aMine ventilation
606   $aLongwall mining
615  0$aMine ventilation.
615  0$aLongwall mining.
700   $aMoore$b T. D$01414632
701   $aZabetakis$b Michael G.$f1924-2005.$01431079
712 02$aUnited States.$bBureau of Mines.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696886303321
996   $aEffect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed)$93572286
997   $aUNINA