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  1. 1
    Ground water resources of Bucks County, Pennsylvania /
    由 Greenman, D. W (David W.)
    出版 1955

    圖書
  2. 2
    Geology and hydrology of the Stockton formation in Southeastern Pennsylvania ; a study of the effect of lithology upon the yield of wells /
    出版 1962

    圖書
  3. 3
    Ground-water resources of Pennsylvania /

    Government Document 圖書
  4. 4
    Ground-water resources of the Brunswick formation : in Montgomery and Berks Counties, Pennsylvania /

    圖書
  5. 5
    Ground-water resources of Pennsylvania,

    Government Document 圖書
  6. 6
    Hydrogeology of, and simulation of ground-water flow in, a mantled carbonate-rock system, Cumberland Valley, Pennsylvania /
    由 Chichester, Douglas C.
    出版 1996

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    Government Document 圖書
  7. 7
    Rivers of Pennsylvania /
    由 Palmer, Tim, 1948-
    出版 1979

    圖書
  8. 8
    Regulating floodplain development : a handbook for municipal officials /
    由 Accurti, Dante
    出版 1982

    圖書
  9. 9
    Hydrology of the Pleistocene sediments in the Wyoming Valley, Luzerne County, Pennsylvania,
    由 Hollowell, Jerrald R
    出版 1971

    圖書
  10. 10
    Johnstown, Pennsylvania flash flood of July 19-20, 1977 : a report to the administrator
    出版 1977

    圖書
  11. 11
    Suspended-sediment discharge in five streams near Harrisburg, Pennsylvania, before, during, and after highway construction /
    由 Reed, Lloyd A
    出版 1980

    Government Document 圖書
  12. 12
    Effects of low-level dams on the distribution of sediment, trace metals, and organic substances in the lower Schuylkill River Basin, Pennsylvania /
    由 Yorke, Thomas H
    出版 1985

    Government Document 圖書
  13. 13
    Sinkholes in Pennsylvania /
    由 Kochanov, William E., 1952-
    出版 1999

    Government Document 圖書
  14. 14
    Water resources data. Pennsylvania /
    出版 1981

    序列
  15. 15
    Ground-water resources of Beaver County, Pennsylvania /

    圖書
  16. 16
    Hydrogeology of the carbonate rocks of the Lebanon Valley, Pennsylvania
    由 Meisler, Harold
    出版 1963

    圖書
  17. 17
    Ground-water resources of Chester County, Pennsylvania : open-file report : prepared in cooperation with the Chester County Water Resources Authority /

    圖書
  18. 18
    Ground water in south-central Pennsylvania,

    圖書
  19. 19
    Summary ground-water resources of Clarion County, Pennsylvania,
    由 Newport, Thomas Gwyn, 1922-
    出版 1973

    圖書
  20. 20
    Elevations of major floods along Pennsylvania rivers
    出版 1942

    圖書
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