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By: Bull, Evelyn L. - Carter, Bernie E. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: Portland, Or, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1996]Volume: no.497Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Bull, Evelyn L. - Henjum, M G - Rohweder, R SType: ArticleIn: The journal of raptor researchVolume: 22Series:Issue: 4Date: 1988Page Range: 101--106Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Bull, Evelyn L. - Henjum, M G - Rohweder, R SType: ArticleIn: The journal of raptor researchVolume: 22Series:Issue: 4Date: 1988Page Range: 107--115Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects:
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By: Bull, Evelyn L. - Wright, A. L. (Anthony L.), - Henjum, M GType: ArticleIn: The journal of raptor researchVolume: 24Series:Issue: 3Date: 1990Page Range: 52--55Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-Subjects: