Canadian Forest Service Publications
A review of important forest insect and disease problems in the Hearst district of Ontario, 1950-1980. 1986. Weir, H.J.; Thomson, M.J.; Constable, D.C.; Brodersen, H. Government of Canada. Canadian Forestry Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario. Miscellaneous Report 45. 90 p. (includes: appendices).
Available from: Great Lakes Forestry Centre
Catalog ID: 9439