000 00937nam a2200277u 4500
001 00957860
003 PWmBRO
005 20240602102356.0
008 911029s1974 dcua b f0 010 eng
010 _a91065111
090 _aVF
_b622.0/6173/K61v
100 1 0 _aKissell, Fred N.
245 1 0 _aVentilation eddy zones at a model coal mine working face /
_cby Fred N. Kissell and Richard J. Bielicki.
260 0 _a[Washington] :
_bU.S. Dept. of the Interior, Bureau of Mines,
_c[1974].
300 _a14 p.
490 1 _aReport of investigations ;
_v7991
650 0 _aMine ventilation.
650 0 _aMine gases.
650 0 _aMine safety.
700 1 0 _aBielicki, Richard J.
710 2 0 _aUnited States.
_bBureau of Mines.
810 2 0 _aUnited States.
_bBureau of Mines.
_tReport of investigations ;
_v7991
830 0 _aReport of investigations (United States. Bureau of Mines) ;
_v7991
942 _2ddc
994 0 1 _a082792
999 _c58174
_d58174