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  • Conroy, G. J.
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    Bureau of Mines Research on Trailing-Cable-Fault Locators.
    Bureau of Mines, Pittsburgh, PA
    RI 8304
    RI 8304
    1978
    20 p.

  • Conroy, G. J.; Harrison, G.; Simmons, J.
    view article (1.0)

    Mine Inspection Records Study.
    Bureau of Mines, Pittsburgh, PA
    IC 8726
    IC 8726
    1976
    14 p.