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By: Barber, John C.Edition:Publication info: [Washington, D.C.?], U.S. Dept. of Agriculture, Forest Service, [1989]Volume: no.25Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Barber, John C.Type: ArticleIn: Raptor researchVolume: 13Series:Issue: 1Date: 1979Page Range: 16--16Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
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By: Steadman, David W. - Olson, Storrs L. - Barber, John C. - Meister, C A - Melville, M EType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 100Series:Issue:Date: 1980Page Range: 155--158Publication Info: London, British Ornithologists' Club, 1893-Subjects: