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By: Williamson, Denis M. - Minore, Don. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.Edition:Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1978Volume: no.242Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: