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Showing 1 - 3 results of 3 for search '"Coal mines and mining Pennsylvania Indiana County."', query time: 0.31s 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
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