Schultz, D. E., and B. Roettgering. 1984. A biological evaluation of lodgepole pine mortality in Parks Creek Drainage, Mt. Shasta Ranger District, Shasta-Trinity National Forest. United States Department of Agriculture, Forest Service, Pacific Southwest Region, San Francisco, California, Forest Pest Management Report 84-26.
Schultz & Roettgering 1984
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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