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By: Wickman, Boyd E. - 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.244Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: California Diseases and pests Douglas-fir tussock moth Tree declines TreesBHL Collections:
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By: United States. Forest Service. Intermountain Region.Edition:Publication info: [Cedar City, UT], US Dept. of Agriculture, Forest Service, Intermountain Region, Dixie National Forest, [2000?]Volume: 2000Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Dixie National Forest Dixie National Forest (Utah) Forest ecology Forests and forestry Spruce Spruce bark beetles Tree declines UtahBHL Collections: