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  1. Phytotoxicology vegetation assessment survey, Cornwall Island, Ontario, 1993.
    By: Ontario. - Emerson, R. N.
    Publication info: Toronto :Ministry of Environment and Energy,1994.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Cornwall Island  Fluorides  Ontario  Phytotoxins  Toxicity testing  Toxicology  Vegetation surveys  
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