Ward, J. G. D., M. Thompson, and R. F. Bassett. 1975. Evaluation of a southern pine beetle outbreak on the Pedlar Ranger District, George Washington National Forest, Virginia, 1974. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 75-1-10.
Ward et al. 1975
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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