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  1. 1
    Interpreting geologic maps for engineering purposes : Hollidaysburg quadrangle, Pennsylvania /
    Published 1953

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  2. 2
    Geology of the Lebanon quadrangle /
    by Geyer, Alan R
    Published 1958

    Book
  3. 3
    American entomology, or Descriptions of the insects of North America. : Illustrated by coloured figures from original drawings executed from nature. /
    by Say, Thomas, 1787-1834
    Published 1817

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  4. 4
    A condensed list of a few of the most desirable microscopes, of moderate cost : and accessories, mounting implements and materials, spectacles, eye-glasses, photographic outfits, etc. /
    Published 1900

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  5. 5
    Oil and gas field property line maps of the Titusville quadrangle, Pennsylvania /
    by Heeren, Lillian A
    Published 1946

    Book
  6. 6
    Oil and gas field farm line maps of the Franklin and Oil City quadrangles, Pennsylvania /
    by Dickey, Parke Atherton, 1909-
    Published 1945

    Book
  7. 7
    Oil and gas field property line maps of the Hilliards quadrangle, Pennsylvania /

    Book
  8. 8
    Rock types of Pennsylvania /
    by Berg, Thomas M
    Published 1984

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  9. 9
    Historic Philadelphia, from the founding until the early nineteenth century; : papers dealing with its people ad buildings
    Published 1953

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  10. 10
    Results of spirit leveling in Pennsylvania, 1899 to 1911, inclusive

    Government Document Book
  11. 11
    Mütter Museum of the College of Physicians of Philadelphia /
    Published 2002

    Book
  12. 12
    Anorthosite in the Piedmont province of Pennsylvania /

    Thesis Book
  13. 13
    An address, intended to promote a geological and mineralogical survey of Pennsylvania, the publication of a series of geological maps, and the formation of state and county geological and mineralogical collections /

    Book
  14. 14
    Due reverence : antiques in the possession of the American Philosophical Society /
    by Smith, Murphy D
    Published 1992

    Book
  15. 15
    Pennsylvania geology

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Serial
  16. 16
    Silurian depositional history and Alleghanian deformation in the Pennsylvania valley and ridge : guidebook for the 48th Annual Field Conference of Pennsylvania Geologists /
    by Nickelsen, Richard P
    Published 1983

    Conference Proceeding Book
  17. 17
    Montgomery County, Pennsylvania, natural areas inventory update /
    Published 2008

    Book
  18. 18
    Observations on the disease of gonorrha : submitted, as an inaugural thesis to the examination of the Reverend John Andrews, D.D. (provost pro tempore); the trustees and medical professors of the University of Pennsylvania, on the 8th day of June, 1803 for the degree of doctor of medicine /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Thesis Book
  19. 19
    Wonders of the microscope! : an exhibition selected from the collection of Howard L. and Karen Schwartz : March 14-August 17, 2012 : University of Pennsylvania Libraries
    Published 2012

    Book
  20. 20
    Geological map of York [ Columbia, Montour and Northumberland, Washington, Venango, Tioga] County /
    Published 1876

    Book
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