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Showing 1 - 4 results of 4 for search '"Coal mines and mining Pennsylvania."', query time: 0.81s Refine Results
  1. 1
    Coal resources of Indiana County, Pennsylvania /
    by Bragonier, William A.
    Published 1996
    Subjects: “...Coal mines and mining Pennsylvania Indiana County....”
    Book
  2. 2
    Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes /
    by Kertis, Carla A.
    Published 1985
    Subjects: “...Coal mines and mining Pennsylvania Indiana County Safety measures....”
    Government Document Book
  3. 3
    Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes /
    by Kertis, Carla A.
    Published 1985
    Subjects: “...Coal mines and mining Pennsylvania Indiana County Safety measures....”
    Get full text
    Government Document Book
  4. 4
    Report of investigation : underground coal mine explosion, Greenwich Collieries no. 1 mine, I.D. no. 36-02405 : Greenwich Collieries Division of Pennsylvania Mines Corporation, Green Township, Indiana County Pennsylvania, February 16, 1984 /
    by Fesak, George M.
    Published 1985
    Subjects: “...Coal mines and mining Pennsylvania Accidents....”
    Government Document Book
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