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By: Axtell, H. H. - Benham, P. - Black, J. E.Type: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 1Date: 1977Page Range: 90--91Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Black, J. E.Type: ArticleIn: The Canadian field-naturalistVolume: 86Series:Issue: 4Date: 1972Page Range: 385--385Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: