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  1. By: Eastman, Don S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 3
    Date: 1974
    Page Range: 331--337
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Eastman, Don S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 3
    Date: 1974
    Page Range: 354--354
    Publication Info: Ottawa Ottawa Field-Naturalists' Club