Search Results - Schimmel, J. T. (John T.)

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  1. 1

    Use of a large-diameter auger in mining anthracite beds by Schimmel, J. T. (John T.)

    Published: U.S. Dept. of the Interior, Bureau of Mines, 1962
    Description: ii, 24 pages : illustrations ; 27 cm.
    Government Document Book
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    Use of a large-diameter auger in mining anthracite beds
  2. 2

    Use of a continuous borer in mining pitching anthracite beds by Tavenner, William H.

    Published: U.S. Dept. of the Interior, Bureau of Mines, 1966
    Description: 25 pages : illustrations ; 27 cm.
    Other Authors: “…Schimmel, J. T. (John T.)…”
    Government Document Book
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    Use of a continuous borer in mining pitching anthracite beds

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