Search Results - Kearns, R. A.

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  1. 1
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    Permissible mine equipment approved during the calendar years 1953-54 / by Kearns, R. A.

    Published 1955
    Government Document Book

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  2. 2
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    Permissible mine equipment approved by the Bureau of Mines during 1959-60 : with appended lists of manufacturers of flame-resistant trailing cables and fire-resistant conveyor belt... by Kearns, R. A.

    Published 1961
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    Government Document Book

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  3. 3
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    State regulations governing the use of trolley wires in mines / by Ilsley, L. C. (Lee Clyde), 1880-

    Published 1929
    Other Authors: “…Kearns, R. A.…”
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