Showing 1 - 4 results of 4 for search 'Skema, Viktoras W.', query time: 0.12s Refine Results
  1. 1
    Coal resources of Washington County, Pennsylvania /
    by Skema, Viktoras W.
    Published 1987
    Government Document Book
  2. 2
    Coal resources of Westmoreland County, Pennsylvania /
    by Skema, Viktoras W.
    Published 1988
    Book
  3. 3
    Analyses and measured sections of Pennsylvania bituminous coals, Part II /
    Published 1975
    Other Authors: “...Skema, Viktoras W....”
    Book
  4. 4
    Analyses and measured sections of Pennsylvania bituminous coals /
    Published 1973
    Other Authors: “...Skema, Viktoras W....”
    Book
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