Showing 1 - 20 results of 213 for search '', query time: 0.11s Refine Results
  1. 1
    Environmental geology for land-use planning
    by Geyer, Alan R
    Published 1972

    Book
  2. 2
    Environmental geology for land-use planning

    Book
  3. 3
    Environmental geology report
    Published 1972

    Serial
  4. 4
    Mineral resources of Johnstown, Pennsylvania and vicinity /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  5. 5
    Mineral resources of Johnstown, Pennsylvania and vicinity /

    Book
  6. 6
    Results of spirit leveling in Pennsylvania, 1899 to 1911, inclusive

    Government Document Book
  7. 7
    Geology and mineral resources of the Middletown quadrangle, Pennsylvania /

    Book
  8. 8
    Coal resources of Beaver County, Pennsylvania /

    Government Document Book
  9. 9
    Coal resources of Lawrence County, Pennsylvania /
    by Van Lieu, J. A
    Published 1964

    Government Document Book
  10. 10
    The Shenango Formation (Mississippian) in northwestern Pennsylvania /
    by Kimmel, Grant E
    Published 1970

    Government Document Book
  11. 11
    Mississippian stratigraphy of northwestern Pennsylvania,
    by Schiner, George R., 1926-
    Published 1972

    Government Document Book
  12. 12
    Geology of the New Tripoli quadrangle, Lehigh, Berks, Schuylkill, and Carbon counties, Pennsylvania /
    by Epstein, Jack Burton, 1935-
    Published 1993

    Government Document Book
  13. 13
    Geology of the New Tripoli quadrangle, Lehigh, Berks, Schuylkill, and Carbon counties, Pennsylvania /
    by Epstein, Jack Burton, 1935-
    Published 1993

    Government Document Book
  14. 14
    Geology of the New Tripoli quadrangle, Lehigh, Berks, Schuylkill, and Carbon counties, Pennsylvania /
    by Epstein, Jack Burton, 1935-
    Published 1993

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  15. 15
    The publications of the second geological survey of Pennsylvania from 1874 to 1884
    Published 1884

    Book
  16. 16
    The geology of Pennsylvania; a government survey: with a general view of the geology of the United States, essays on coal-formation and its fossils, and a description of the coal-fields of North America and Great Britain,
    Published 1858

    Book
  17. 17
    List of publications of the second geological survey, 1874-1895
    Published 1895

    Book
  18. 18
    Bulletin M
    Published 1924

    Serial
  19. 19
    Subsurface structure of plateau region north-central and western Pennsylvania on top of Oriskany Formation /
    by Cate, Addison S
    Published 1962

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  20. 20
    Stratigraphy of the Beekmantown group in southeastern Pennsylvania /
    by Hobson, John Peter, 1928-
    Published 1963

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
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