LEADER 01197nam  2200349Ka 450 
001 9910696829503321
005 20080728122258.0
035   $a(CKB)5470000002382589
035   $a(OCoLC)236169827
035   $a(EXLCZ)995470000002382589
100   $a20080728d1975      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aRotary drilling holes in coalbeds for degasification$b[electronic resource] /$fby Joseph Cervik, H.H. Fields, and G.N. Aul
210  1$a[Pittsburgh, Pa.?] :$cU.S. Dept. of the Interior, Bureau of Mines,$d[1975]
215   $a21 pages $cdigital, PDF file
225 1 $aReport of investigations ;$v8097
300   $aTitle from title screen (viewed on July 28, 2008).
606   $aCoalbed methane drainage
615  0$aCoalbed methane drainage.
700   $aCervik$b Joseph$01389517
701   $aFields$b H. H$01400777
701   $aAul$b George N$01409891
712 02$aUnited States.$bBureau of Mines.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696829503321
996   $aRotary drilling holes in coalbeds for degasification$93497474
997   $aUNINA