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  1. 101
    Report of progress

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Journal
  2. 102
    Report of progress

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Journal
  3. 103
    General geology report /
    Published 1972

    Serial
  4. 104
    Annual report of the Geological Survey of Pennsylvania
    Published 1886

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  5. 105
    Annual report on the Geological Survey of Pennsylvania

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  6. 106
    Pennsylvania geology

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  7. 107
    State of Pennsylvania : coal fields and producing districts /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  8. 108
    Geologic map of the Hellertown quadrangle, Northampton, Bucks, and Lehigh counties, Pennsylvania
    Published 1996

    Government Document Map
  9. 109
    Statistical analysis applied to the petrographic and reservoir properties of the "first Venango oil sand", Warren County, Pennsylvania

    Thesis Book
  10. 110
    The geology of Philadelphia county and of the southern parts of Montgomery and Bucks. /
    by Hall, Charles Edward, 1852-
    Published 1881

    Book
  11. 111
    Geologic and mineralogic factors controlling the properties and occurrence of ladle brick clays /

    Thesis Book
  12. 112
    Coal resources of Washington County, Pennsylvania : compiled by Viktoras W. Skema
    by Skema, Victoras W
    Published 1987

    Book
  13. 113
    Geologic map of the Catasauqua quadrangle, Northampton and Lehigh counties, Pennsylvania
    by Drake, Avery Ala, 1927-
    Published 1996

    Government Document Book
  14. 114
    Allentown quadrangle : mineral resources /

    Book
  15. 115
    Geological map of York [ Columbia, Montour and Northumberland, Washington, Venango, Tioga] County /
    Published 1876

    Book
  16. 116
    Land use and abuse : the Allegheny County problem : guidebook for the 45th annual Field Conference of Pennsylvania Geologists, October 3 and 4, 1980
    Published 1980

    Conference Proceeding Book
  17. 117
    Extra edition, on heavy paper, unfolded, and without prefatory text, of all maps contained in the Geological hand-atlas of the 67 counties of Pennsylvania
    Published 1885

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  18. 118
    Town geology: the lesson of the Philadelphia rocks Studies of nature along the highways and among the byways of a metropolitan town.
    by Heilprin, Angelo, 1853-1907
    Published 1885

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  19. 119
    Geologic features of the Allegheny Front region between Johnstown and Williamsburg, central Pennsylvania,

    Book
  20. 120
    The Mississippian and Pennsylvanian (Carboniferous) systems in the United States--Nebraska /
    by Burchett, Raymond R
    Published 1979

    Book
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