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  1. 1
    Tracking changes in the susceptibility of forest land infested with gypsy moth
    Published 1994

    Government Document Book
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  2. 2
    Performance of ponderosa pine on bituminous mine spoils in Pennsylvania /
    by Davidson, Walter H
    Published 1977

    Government Document Book
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  3. 3
    Results of tree and shrub plantings on low pH strip-mine banks /
    by Davidson, Walter H
    Published 1979

    Government Document Book
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  4. 4
    Stream water quality in the coal region of Pennsylvania /
    by Dyer, Kenneth L
    Published 1982

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
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  5. 5
    Hydroseeding on anthracite coal-mine spoils /
    by Czapowskyj, Miroslaw M
    Published 1970

    Government Document Book
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  6. 6
    Second-year results of hybrid poplar test plantings on bituminous strip-mine spoils in Pennsylvania /
    by Davis, Grant
    Published 1964

    Government Document Book
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  7. 7
    Sprouting of thinned hybrid poplars on bituminous strip-mine spoils in Pennsylvania /
    by Davidson, Walter H
    Published 1972

    Government Document Book
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  8. 8
    Survival and early growth of planted forest trees on strip-mine spoils in the Anthracite Region /
    by Czapowskyj, Miroslaw M
    Published 1966

    Government Document Book
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  9. 9
    Results of tree and shrub plantings on low pH strip-mine banks /
    by Davidson, Walter H
    Published 1979

    Government Document Book
    Save to List
    Saved in:
  10. 10
    Performance of ponderosa pine on bituminous mine spoils in Pennsylvania /
    by Davidson, Walter H
    Published 1977

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
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    Saved in:
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