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Filters: Keyword is Trees -- Diseases and pests and Author is Buchanan, W. D  [Clear All Filters]
1963
Ciesla, W. M., and W. D. Buchanan. The 1963 Survey of Elm Spanworm Defoliation in the Southern Appalachian Mountains. Atlanta, Georgia: U.S. Forest Service, 1963.
Cordell, Charles E., and W. D. Buchanan. Evaluation of the 1963 Elm Spanworm Control Project Nantahla National Froest and Great Smoky Mountains National Park. Atlanta, Georgia: U.S. Forest Service, 1963.