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  1. 1

    Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia by Bench, B. M.

    Published: U.S. Dept. of the Interior, Bureau of Mines, 1977
    Description: ii, 35 pages : digital, PDF file.
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    Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia
  2. 2

    Direct method determination of the gas content of coal procedures and results by Diamond, W. P. (William P.)

    Published: U.S. Dept. of the Interior, Bureau of Mines, 1981
    Description: 36 pages : digital, PDF file.
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    Direct method determination of the gas content of coal procedures and results
  3. 3

    Use of surface joint and photolinear data for predicting subsurface coal cleat orientation by Diamond, W. P. (William P.)

    Published: U.S. Dept. of the Interior, Bureau of Mines, 1976
    Description: 13 pages : digital, PDF file.
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    Use of surface joint and photolinear data for predicting subsurface coal cleat orientation
  4. 4

    Prediction of longwall methane emissions an evaluation of the influence of mining practices on gas emissions and methane control systems by Diamond, W. P. (William P.)

    Published: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, 1999
    Description: 32 pages : digital, PDF file.
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    Prediction of longwall methane emissions an evaluation of the influence of mining practices on gas emissions and methane control systems

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