Parker, D. L., and R. E. Stevens. 1979. Mountain pine beetle infestation characteristics in ponderosa pine, Kaibab Plateau, Arizona, 1975-1977. United States Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Research Note RM-367. 4 p.
Parker & Stevens 1979
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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