Showing 1 - 5 results of 5 for search '"Geology"', query time: 0.17s Refine Results
  1. 1
    Geologic map of the California quadrangle, Washington and Fayette Counties, Pennsylvania /
    by Schweinfurth, Stanley P.
    Published 1967
    Subjects: “...Geology Pennsylvania Fayette County Maps....”
    Government Document Map
  2. 2
    Salt deposits in the Salina Group in Pennsylvania /
    Subjects: “...Geology Pennsylvania Erie County....”
    Internet Archive, State Library of Pennsylvania
    Government Document Book
  3. 3
    Geology and methane content of the upper Freeport coalbed in Fayette County, Pa. /
    by Steidl, Peter F.
    Published 1977
    Subjects: “...Coal Geology Pennsylvania Fayette County....”
    Government Document Book
  4. 4
    Geology and mineral resources of Fayette County, Pennsylvania /
    Subjects: “...Geology Pennsylvania Fayette County....”
    Book
  5. 5
    Coal resources of Fayette County, Pennsylvania /
    by Shaulis, James R.
    Published 1985
    Subjects: “...Coal Geology Pennsylvania Fayette County....”
    Book
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