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By: Dirschl, Herman J. - Canadian Wildlife Service.Edition:Publication info: Ottawa, Information Canada, 1972Volume:Series:Holding Institution: University of Alberta LibrarySubjects:BHL Collections:
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By: Dirschl, Herman J. - Dabbs, Donald H.,Type: ArticleIn: The Canadian field-naturalistVolume: 83Series:Issue: 3Date: 1969Page Range: 212--228Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: