Ciesla, W. M., M. M. Furniss, M. D. McGregor, and W. E. Bousfield. 1971. Evaluation of Douglas-fir beetle infestations in the North Fork Clearwater River drainage, Idaho-1971. United States Department of Agriculture, Forest Service, Northern Region, Insect and Disease Report 71-46. 15 p.
Ciesla et al. 1971
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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