Wygant, N. D. 1942c. Summary of a fall test with penetrating oil for control of mountain pine beetle in lodgepole pine—Wasatch National Forest, 1942. United States Department of Agriculture, Bureau of Entomology, Fort Collins, Colorado.
Wygant 1942
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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