Canadian Forest Service Publications
Forest insect and disease surveys in the Northwestern region of Ontario, 1974. 1975. Thomson, M.J.; Houser, E.L. Canadian Forestry Service, Great Lakes Forest Research Centre, Sault Ste. Marie, ON. Information Report O-X-220. 19 p. (includes: appendix).
Issued by: Great Lakes Forestry Centre
Catalog ID: 8897
Availability: PDF (download)