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By: Heimburger, Carl C.Type: ArticleIn: The Canadian field-naturalistVolume: 59Series:Issue: 2Date: 1945Page Range: 67--67Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Heimburger, Carl C. - Porsild, A. E. (Alf Erling),Type: ArticleIn: The Canadian field-naturalistVolume: 52Series:Issue: 5Date: 1938-05Page Range: 72--73Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: