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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Fisher, Bob M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 89
    Issue: 4
    Date: 1975
    Page Range: 468--468
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Fisher, Bob M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 89
    Issue: 1
    Date: 1975
    Page Range: 71--72
    Publication Info: Ottawa Ottawa Field-Naturalists' Club