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Subject "Effect of acid precipitation on"
Ontario hardwood decline survey, 1989 and 1990 / report prepared for Phytotoxicology Section, Air Resources Branch, Ontario Ministry of Environment and Energy ; report prepared by BEAK Consultants.
By: Beak Consultants. - Ontario.
Publication info: Brampton, Ont. :The Section,1993.
Contributed by: Ontario Ministry of the Environment (archive.org)
Subjects: Effect of acid precipitation on Forest declines Forest surveys Hardwoods Ontario