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By "Deragon, W R "
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Recent trends in counts of migrating hawks from western North America
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By: Hoffman, S W - Bednarz, James C - Deragon, W R
Type: Article
In: The journal of raptor research
Volume: 27
Series:
Issue: 1
Date: 1993
Page Range: 73--73
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
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