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By: Dyrness, C. T. - United States. Forest Service.Edition:Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1988]Volume: no.392Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Alaska Clearcutting Forests and forestry Shifting cultivation White spruceBHL Collections: