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  1. 1
    Detailed study of 60-day nonfatal underground accidents in Pennsylvania bituminous coal mines during 1939 /
    by Ilsley, L. C
    Published 1941

    Government Document Book
  2. 2
    Water problem in the Pennsylvania anthracite mining region /
    by Ash, S. H (Simon Harry), 1889-
    Published 1941

    Government Document Book
  3. 3
    Modern automatic electrically controlled elevators for transporting men at two coal mines in Western Pennsylvania /
    by Holcomb, J. W
    Published 1952

    Government Document Book
  4. 4
    Rock-dusting a Pennsylvania coal mine /

    Government Document Book
  5. 5
    The acidity of Black Lick, Two Lick and Yellow Creeks, Pennsylvania during low water in 1930 /

    Government Document Book
  6. 6
    Why men were killed at Pennsylvania anthracite mines in 1950 /

    Government Document Book
  7. 7
    Stratigraphy of the Jacksonburg limestone with an appended chapter on Martinsburg limestones in eastern Pennsylvania /

    Thesis Book
  8. 8
    Hypotheses of stream development in the folded Appalachians of Pennsylvania /
    by Strahler, Arthur Newell, 1918-
    Published 1945

    Thesis Book
  9. 9
    From the shield to the sea : geological field trips from the 2011 joint meeting of the GSA Northeastern and North-Central Sections /
    Published 2011

    Book
  10. 10
    Pennsylvanian correlations in the eastern interior and Appalachian coal fields /

    Book
  11. 11
    Transactions of the Geological Society of Pennsylvania
    Published 1835

    Journal
  12. 12
    Mineral deposits of New Jersey and eastern Pennsylvania;

    Conference Proceeding Book
  13. 13
    Southern Pennsylvania and Maryland,

    Conference Proceeding Book
  14. 14
    Fecal-indicator bacteria in the Allegheny, Monongahela, and Ohio Rivers, near Pittsburgh, Pennsylvania, July-September 2001
    by Fulton, John W
    Published 2004

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  15. 15
    Mémoire sur la géologie de la partie sud-est de la Pennsylvanie

    Book
  16. 16
    [Discovery of oil on the Alleghany River at Brady's Bend.]

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  17. 17
    Palaeozoic Phyllocarida from Pennsylvania

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book Chapter
  18. 18
    Notice of a model of the western portion of the Schuylkill or southern coal-field of Pennsylvania : in illustration of an address to the Association of American Geologists, on the most appropriate modes for representing geological phenomena /

    Book
  19. 19
    Biographical notice of J. Peter Lesley /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book Chapter
  20. 20
    The Yardley fault; and the Chalfont fault rock, so called

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