Forest insect and disease conditions in Ontario
By: G.M. Howse...[et al.].
Contributors: Howse, G.M.
Publisher: Environment Canada.; Canadian Forestry Service.; Great Lakes Forest Research Centre
Published: 1982
Place of publication: [Ottawa]
Language: eng
Number of pages: 49
Subjects: Trees -- Diseases and pests.; Forest insects -- Ontario.; Forests and forestry -- Ontario.
Notes: Library has: 1982-1982.

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