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- Report of an investigation of air pollution effects on vegetation in Queenston on June 8, 1972A letter-response from S.N. Linzon, Ph.D., Chief, Phytotoxicology Section (Ministry of Environment, Air Management Branch, Toronto, Ontario) to Mrs. Huggins, Queesnton, Ontario, together with a report of an investigation of air pollution effects on vegetation in Queenston conducted on June 8, 1972. 4 pages including a hand-drawn map showing an …A letter-response from S.N. Linzon, Ph.D., Chief, Phytotoxicology Section (Ministry of Environment, Air Management Branch, Toronto, Ontario) to Mrs. Huggins, Queesnton, Ontario, together with a report of an investigation of …Niagara-on-the-Lake Public Library
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