Showing 1 - 3 results of 3 for search '"Coal Pennsylvania"', query time: 0.30s Refine Results
  1. 1
    Analyses and measured sections of Pennsylvania bituminous coals, Part II /
    Published 1975
    Subjects: “...Bituminous coal Pennsylvania....”
    Book
  2. 2
    Analyses and measured sections of Pennsylvania bituminous coals /
    Published 1973
    Subjects: “...Bituminous coal Pennsylvania Tables....”
    Book
  3. 3
    Coal resources of Washington County, Pennsylvania /
    by Skema, Viktoras W.
    Published 1987
    Subjects: “...Bituminous coal Pennsylvania Washington County Maps....”
    Government Document Book
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