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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Garside, E. T. - Snair, J. N. - Waugh, D. L.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 3
    Date: 1972
    Page Range: 275--278
    Publication Info: Ottawa Ottawa Field-Naturalists' Club