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By: Murphy, R K - Gratson, Michael W. - Rosefield, R NType: ArticleIn: The journal of raptor researchVolume: 22Series:Issue: 4Date: 1988Page Range: 97--100Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Murphy, R K - Green, Michael TType: ArticleIn: The journal of raptor researchVolume: 26Series:Issue: 2Date: 1992Page Range: 101--102Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Nenneman, Melvin P. - Grant, Todd A. - Sopndreal, Marriah L. - Murphy, R KType: ArticleIn: The journal of raptor researchVolume: 37Series:Issue: 3Date: 2003Page Range: 246--252Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Murphy, R K - Hasselblad, K W - Grondahl, C D - Sidle, J G - Martin, R E - Freed, D WType: ArticleIn: The journal of raptor researchVolume: 35Series:Issue: 4Date: 2001Page Range: 322--330Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: