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By: Koehler, Gary M. - Hornocker, Maurice G. - Hash, Howard S.Type: ArticleIn: The Canadian field-naturalistVolume: 93Series:Issue: 4Date: 1979Page Range: 441--442Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Koehler, Gary M. - Hornocker, Maurice G. - Hash, Howard S.Type: ArticleIn: The Canadian field-naturalistVolume: 94Series:Issue: 3Date: 1980Page Range: 339--341Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: