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By: United States. Forest Service. Intermountain Region. - United States. Division of Timber Management. Branch of Forest Insect and Disease Prevention and Control.Edition:Publication info: Ogden, Utah, Branch of Forest Insect and Disease Prevention and Control, Division of Timber Management, Region Four, Forest Service, U.S. Dept. of Agriculture, -1972Volume: 1969Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: