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  1. Effects of acid deposition on the emergence of blackflies (Diptera: Simuliidae) over 50 years from Algonquin Park streams / report prepared by C.M. Chmielewski and R.J. Hall.
    By: Chmielewski, Carol Mary, - Hall, R. J.,
    Publication info: [Toronto] :Environment Ontario,c1992.
    Contributed by: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid precipitation (Meteorology)  Environmental aspects  Simuliidae
    View record   View book
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