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By: Johnson, David W. (David Winslow), - United States. Forest Service. Rocky Mountain Region. Forest Insect and Disease Management.Edition:Publication info: Lakewood, Colo, Forest Insect and Disease Management, State and Private Forestry, Rocky Mountain Region, USDA, Forest Service, 1976Volume: R2-4Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: