000 00928n a2200253 4500
001 00945218
003 PWmBRO
008 910827 1975 waua 00000 eng u
010 _a91055082
090 0 _aVF
_b622.0/6173/E37h
100 1 0 _aElder, Curtis H.
245 1 0 _aHydraulic stimulation increases degasification rate of coalbeds /
_cby C. H. Elder and Maurice Deul ; Pittsburgh Mining and Safety Research Center.
260 0 _a[Washington] :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c[1975]
300 _a[3], 17 p. :
_bill.
490 1 _aReport of investigations ;
_v8047
500 _aItem 637-A
650 0 _aDegassing of coal.
700 1 0 _aDeul, Maurice
710 2 0 _aUnited States.
_bBureau of Mines.
810 2 0 _aUnited States.
_bBureau of Mines.
_tReport of investigations ;
_v8047
830 0 _aReport of investigations (United States. Bureau of Mines) ;
_v8047.
942 _2ddc
994 0 1 _a082052
999 _c63698
_d63698