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  1. 1
    Physical geography /
    by Somerville, Mary, 1780-1872
    Published 1859

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  2. 2
    Appalachian geomorphology /
    Published 1989

    Book
  3. 3
    The scenery of Pennsylvania, its origin and development based on recent studies of physiographic and glacial history,

    Book
  4. 4
    Chester County : Natural environment and planning; landforms, geology, soils, woodlands, climate
    Published 1963

    Book
  5. 5
    Chester County : natural environment and planning : landforms, geology, soils, woodlands, climate /
    Published 1963

    Book
  6. 6
    A geographic perspective of Pittsburgh and the Alleghenies : from Precambrian to post-industrial : commemorating the 2000 Annual Meeting of the Association of American Geographers, Pittsburgh, Pennsylvania
    Published 2000

    Book
  7. 7
    Regional and economic geography of Pennsylvania

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Thesis Book
  8. 8
    Delaware River islands study : issues, findings and recommended actions
    Published 1988

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  9. 9
    Regulating floodplain development : a handbook for municipal officials /
    by Accurti, Dante
    Published 1982

    Book
  10. 10
    Caves of southeastern Pennsylvania /
    Published 1974

    Book
  11. 11
    The Caves of western Pennsylvania /
    Published 1976

    Book
  12. 12
    Geology and biology of Pennsylvania caves /
    Published 1976

    Book
  13. 13
    Pennsylvania caves and other rocky roadside wonders /
    by Patrick, Kevin Joseph
    Published 2004

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Book
  14. 14
    The caves of Western Pennsylvania /
    Published 1976

    Book
  15. 15
    Geology and biology of Pennsylvania caves /
    Published 1976

    Book
  16. 16
    Pennsylvania caves,

    Government Document Book
  17. 17
    Pennsylvania caves,

    Book
  18. 18
    Sinkholes in Pennsylvania /
    by Kochanov, William E., 1952-
    Published 1999

    Government Document Book
  19. 19
    Historical trends and concentrations of fecal coliform bacteria in the Brandywine Creek basin, Chester County, Pennsylvania /
    by Town, Debra A
    Published 2001

    Government Document Book
  20. 20
    Summary of and factors affecting pesticide concentrations in streams and shallow wells of the lower Susquehanna River basin, Pennsylvania and Maryland, 1993-95 /
    Published 2001

    Government Document Book
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