Canadian Forest Service Publications
Province of Ontario: Forest insect survey, 1957. Sippell, W.L.; MacDonald, J.E. Pages 32-48 in Annual Report of the Forest Insect and Disease Survey, 1957. Canadian Department of Agriculture, Forest Biology Division, Science Service, Ottawa, Ontario. 94 p.
Issued by: Great Lakes Forestry Centre
Catalog ID: 37846
Availability: PDF (request by e-mail)