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  • Kissell, F. N.; Bielicki, R. J.
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    Ventilation Eddy Zones at a Model Coal Mine Working Face.
    Bureau of Mines, Pittsburg, PA
    RI 7991, December 1974, 19 p.

  • Kissell, F. N.; Bielicki, R. J.
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    Methane Buildup Hazards Caused by Dust Scrubber Recirculation at Coal Mine Working Faces--A Preliminary Estimate.
    Bureau of Mines, Pittsburg, PA
    RI 8015, February 1975, 31 p.