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By: Jackson, Jerome A - Dakin, O HType: ArticleIn: Raptor researchVolume: 16Series:Issue: 2Date: 1982Page Range: 60--61Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Jackson, Jerome A - Schardien, Bette J. - Dakin, O H - Kulesza, George C.Type: ArticleIn: The Canadian field-naturalistVolume: 96Series:Issue: 3Date: 1982Page Range: 355--357Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: