Clerke, W. H., and K. F. Raffa. 1974a. Evaluation of a southern pine beetle outbreak area comprising portions of the Glenwood Ranger District, Jefferson National Forest; the Pedlar Ranger District, George Washington National Forest; and the James River District, Blue Ridge Parkway, Virginia. United States Department of Agriculture, Forest Service, Southern Region, State and Private Forestry, Forest Pest Management, Report 74-1-4.
Clerke & Raffa 1974
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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