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  • Cervik, J.; Sainato, A.; Deul, M.
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    Water Infusion of Coalbeds for Methane and Dust Control.
    Bureau of Mines, Pittsburg, PA
    RI 8241
    RI 8241
    1977
    31 p.

  • McCulloch, C. M.; Diamond, W. P.; Bench, B. M.; Deul, M.
    view article (1.0)

    Selected Geologic Factors Affecting Mining of the Pittsburgh Coalbed.
    Bureau of Mines, Philadelphia, PA
    RI 8093
    RI 8093
    1975
    77 p.