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By: Wickman, Boyd E. - Starr, G. Lynn. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: [Portland, Or.] (319 S.W. Pine St., P.O. Box 3890, Portland 97208), U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1991]Volume: no.498Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: