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  1. 1
    Pennsylvania geology

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  2. 2
    The Quarterly bulletin
    Published 1934

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Journal
  3. 3
    Annual report on the geological exploration of the state of Pennsylvania /
    Published 1838

    Serial
  4. 4
    Annual report of the Geological Survey of Pennsylvania for ... /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  5. 5
    Proceedings and collections

    Serial
  6. 6
    Topographic and geologic atlas of Pennsylvania /

    Serial
  7. 7
    Topographic and geologic atlas of Pennsylvania /

    Serial
  8. 8
    County report
    Published 1965

    Serial
  9. 9
    Proceedings and collections of the Wyoming Historical and Geological Society
    Published 1858

    Serial
  10. 10
    Annual report of the State Geologist ..
    Published 1836

    Serial
  11. 11
    Proceedings and collections of the Wyoming Historical and Geological Society ..
    Published 1858

    Serial
  12. 12
    Proceedings and collections of the Wyoming Historical and Geological Society
    Published 1858

    Serial
  13. 13
    Pennsylvania geology

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Electronic Journal
  14. 14
    The quarterly bulletin
    Published 1934

    Journal
  15. 15
    Transactions of the Geological Society of Pennsylvania
    Published 1835

    Journal
  16. 16
    Bulletin C /
    Published 1932

    Serial
  17. 17
    Special bulletin - Commonwealth of Pennsylvania, Department of Internal Affairs, Topographic and Geologic Survey
    Published 1944

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  18. 18
    Report /
    Published 1910

    Serial
  19. 19
    Annual report on the geological exploration of the state of Pennsylvania /
    Published 1838

    Serial
  20. 20
    General geology report
    Published 1970

    Serial
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