Thomson, M. J., C. A. Barnes, and C. N. Davis. 1972. Forest insect and disease surveys in the Western Survey Region, 1971 (Forest District: Thunder Bay, Fort Frances, Kenora, and Sioux Lookout). Canada Department of the Environment, Canadian Forestry Service, Great Lakes Forest Research Centre, Information Report O-X-162. 25 p.
Thomson et al. 1972
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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