MacLeod, L. S., and H. D. Lawrence. 1972. Forest insect and disease surveys in the Eastern Survey Region, 1971 (Forest Districts: Pembroke, Parry Sound, North Bay, and Swastika). Canada Department of the Environment, Canadian Forestry Service, Great Lakes Forest Research Centre, Information Report O-X-159. 14 p.
MacLeod & Lawrence 1972
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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