Canadian Forest Service Publications
Forest health in Ontario, 1996: Results of Canadian Forest Service surveys. 1997. Hopkin, A.A.; Howse, G.M. Natural Resources Canada, Canadian Forest Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario, Ontario Ministry of Natural Resources, Sault Ste. Marie, Ontario.
Available from: Great Lakes Forestry Centre
Catalog ID: 9739