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2by Wickman, Boyd E.Subjects: “...Douglas fir Diseases and pests Oregon....”
Published 1980
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5by Filip, Gregory M.Subjects: “...Douglas fir Diseases and pests California....”
Published 2000
PURL accesses list of forest insect and disease leaflets from which a link may be made to the title desired
Government Document Book -
6by Washburn, Richard I.Subjects: “...Fir Diseases and pests....”
Published 1974
Government Document Book -
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8by Furniss, Malcolm M.Subjects: “...Douglas fir beetle....”
Published 1978
Government Document Book -
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10
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11Published 1979Subjects: “...Douglas fir beetle....”
Government Document Book -
12by Schmitz, Richard F.Subjects: “...Douglas fir beetle....”
Published 1996
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Government Document Book -
13by Hadfield, James S.Subjects: “...Douglas fir Diseases and pests West (U.S.)...”
Published 2000
PURL accesses list of forest insect and disease leaflets from which a link may be made to the title desired
Government Document Book -
14Subjects: “...Fir Tables....”
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18by Colbert, J. J.Subjects: “...Douglas fir tussock moth....”
Published 1979
Government Document Book -
19by Wickman, Boyd E.Subjects: “...Douglas fir tussock moth....”
Published 1980
Government Document Book -
20by Bormann, Bernard T.Subjects: “...Douglas fir United States....”
Published 1984
Government Document Book