Wortendyke, J. 1968. Appraisal of mountain pine beetle-caused tree mortality in a young ponderosa pine stand on the Wallowa Whitman National Forest. United States Department of Agriculture, Forest Service, Pacific Northwest Region, Portland, Oregon. 13 p.
Wortendyke 1968
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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