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1Published 1978Subjects: “...Forests and forestry Research Oregon Periodicals....”
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2Published 1977Subjects: “...Forests and forestry Research Oregon Periodicals....”
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3Published 1994Subjects: “...Forests and forestry Research Oregon Periodicals....”
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4Published 1992Subjects: “...Forests and forestry Research Oregon Periodicals....”
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5Published 1983Subjects: “...Forests and forestry Research Oregon Periodicals....”
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6Published 1980Subjects: “...Forests and forestry Research Oregon Periodicals....”
Government Document Serial