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By: Cowell, Daryl W.Type: ArticleIn: The Canadian field-naturalistVolume: 98Series:Issue: 2Date: 1984Page Range: 227--230Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Sims, R. A. - Wickware, G. M. - Cowell, Daryl W.Type: ArticleIn: The Canadian field-naturalistVolume: 101Series:Issue: 3Date: 1997Page Range: 335--345Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: