Biodiversity Heritage Library
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Subject "Swainson's hawk"
Cliff-nesting raptor survey of the Sioux District, Custer National Forest : 1994 / submitted by Paul Hendricks and Keith H. Dueholm; a report to USDA Forest Service, Custer National Forest.
By: Hendricks, P. - Dueholm, Keith H. - Custer National Forest (Agency : U.S.) - Montana Natural Heritage Program.
Publication info: Helena, Mont. :Montana Natural Heritage Program,c1995.
Contributed by: Montana State Library (archive.org)
Subjects: Birds of prey Custer National Forest (Mont. and S.D.) Ferruginous hawk Golden eagle Goshawk Merlin (Bird) Nests Prairie falcon Surveys Swainson's hawk