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    Ignition of firedamp by explosives / by Lewis, Bernard, 1899-1993

    Published 1948
    Government Document Book
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    The limits of inflammability of mixtures of methane and air / by Burrell, G. A. (George Arthur), 1882-1957, Oberfell, George G.

    Published 1915
    Government Document Book
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    Phenomena in the ignition of firedamp by explosives. by Gerhard, Sherman Leidich, 1904-

    Published 1940
    Government Document Book
  9. 9

    Control of methane in coal mines /

    Published 1964
    Government Document Book
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    Cushioned blasting. by Denues, Arthur R. T.

    Published 1940
    Search for the full-text version of this title in HathiTrust
    Government Document Book
  15. 15

    Procedure for establishing a list of permissible methane indicators for mines. [Approved] August 25, 1920.

    Published 1920
    Government Document Book
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