Allen, J. W., and W. B. White. 1981. Reliability of ground truthing mountain pine beetle-killed ponderosa pine after beetle emergence. United States Department of Agriculture, Forest Service, State and Private Forestry, Rocky Mountain Region, Technical Report R2-23. 4 p.
Allen & White 1981
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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