10 results Refine Results
  1. 1
    Government Document Serial
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    Forest Service research note NE.
  2. 2
    Published 1977
    Government Document Serial
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    Forest service research paper NE.
  3. 3
    Published 1963
    Government Document Serial
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    U.S. Forest Service research note NE.
  4. 4
    by Shigo, Alex L., 1930-
    Published 1983
    Government Document Book
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    Tree defects : a photo guide /
  5. 5
    Published 1977
    Government Document Serial
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    USDA Forest Service research paper NE.
  6. 6
    Published 1969
    Government Document Serial
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    USDA Forest Service resource bulletin NE.
  7. 7
    Government Document Serial
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    USDA Forest Service research note NE /
  8. 8
    Published 1970
    Government Document Serial
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    At the Northeastern Station.
  9. 9
    Published 1981
    Government Document Serial
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    Resource bulletin NE.
  10. 10
    Published 1981
    Government Document Serial
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    Saved in:
    Research paper NE.

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