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By: Carpenter, Thomas W. - Carpenter, Arthur L.Type: ArticleIn: The journal of raptor researchVolume: 21Series:Issue: 4Date: 1987Page Range: 160--160Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Carpenter, Thomas W. - Carpenter, Arthur L.Type: ArticleIn: The journal of raptor researchVolume: 22Series:Issue: 2Date: 1988Page Range: 72--72Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: