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By: Ketchie, D. O. - Lopushinsky, W. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)Edition:Publication info: Portland, Or, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1981]Volume: no.395Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: