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National Institute for Occupational Safety and Health National Institute for Occupational Safety and Health
National Institute for Occupational Safety and Health

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    Kentucky (2)
  • Field evaluation of three longwall pillar systems in a Kentucky coal mine
    Filetype[PDF - 7.71 MB]
    Personal Author:
    Barton, T. M. (Timothy M.) ; Mark, Christopher ;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9283
    Description:
    "The U.S. Bureau of Mines is conducting research to assess the effectiveness of different chain pillar designs in maintaining gate entry stability. A ...
    File Type:
    Filetype[PDF - 7.71 MB]
    File Type:
    Filetype[PDF - 7.71 MB]
  • Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines
    Filetype[PDF - 11.66 MB]
    Personal Author:
    Sames, Gary P. ; Moebs, Noel N. ;
    Corporate Authors:
    United States. Bureau of Mines
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9267
    Description:
    "This U.S. Bureau of Mines study was conducted in eastern Kentucky drift mines as part of an ongoing research program to characterize the outcrop barr...
    File Type:
    Filetype[PDF - 11.66 MB]
    File Type:
    Filetype[PDF - 11.66 MB]