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  1. 1
    Levels-of-growing-stock cooperative study in douglas-fir : report no. 8-the LOGS study : twenty-year results /
    by Curtis, Robert O.
    Published 1986
    Government Document Book
  2. 2
    Levels-of-growing-stock cooperative study in Douglas-fir.
    by Curtis, Robert O.
    Published 1987
    Government Document Book
  3. 3
    True fir-hemlock spacing trials : design and first results /
    by Curtis, Robert O.
    Published 2000
    Government Document Microform Book
  4. 4
    True fir spacing trials : 10-year results /
    by Curtis, Robert O.
    Published 2008
    PURL
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    Government Document eBook
  5. 5
    True fir spacing trials : 10-year results /
    by Curtis, Robert O.
    Published 2008
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    Government Document Book
  6. 6
    True fir-hemlock spacing trials : design and first results /
    by Curtis, Robert O.
    Published 2000
    Get full text
    Government Document eBook
  7. 7
    True fir spacing and yield trials : 20-year update /
    by Curtis, Robert O.
    Published 2013
    Government Document Book
  8. 8
    True fir spacing and yield trials : 20-year update /
    by Curtis, Robert O.
    Published 2013
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    Get full text
    Government Document eBook
  9. 9
    Development of top heights and corresponding diameters in high-elevation noble fir plantations /
    by Curtis, Robert O.
    Published 2015
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    Get full text
    Government Document eBook
  10. 10
    Development of top heights and corresponding diameters in high-elevation noble fir plantations /
    by Curtis, Robert O.
    Published 2015
    Click here for electronic version.
    Government Document Book
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