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  1. 1
    Published 1986
    Subjects “...Douglas fir Northwest, Pacific Congresses....”
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    Douglas-fir : stand management for the future /
  2. 2
    Published 1984
    Subjects “...Douglas fir Northwest, Pacific Diseases and pests Congresses....”
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    Silvicultural management strategies for pests of the interior Douglas-fir and Grand fir forest types : proceedings of a symposium held, February 14-16, 1984, Spokane, Washington /

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