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By: Pendlebury, George B.Type: ArticleIn: The Canadian field-naturalistVolume: 91Series:Issue: 2Date: 1977Page Range: 122--129Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Pendlebury, George B.Type: ArticleIn: The Canadian field-naturalistVolume: 87Series:Issue: 2Date: 1973Page Range: 131--136Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Pendlebury, George B.Type: ArticleIn: The Canadian field-naturalistVolume: 90Series:Issue: 4Date: 1976Page Range: 416--422Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: