Stevens, R. E., W. F. McCambridge, and C. B. Edminster. 1980. Risk rating guide for mountain pine beetle in Black Hills ponderosa pine. United States Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Reseach Note RM-385. 2 p.
Stevens et al. 1980
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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