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  1. 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  
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  2. Cliff-nesting raptors in the North and South Cave Hills, Harding County, South Dakota : 1997 inventory of active sites in 1996 /
    By: Hendricks, P. - Feigley, Pete. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,1997.
    Contributed by: Montana State Library (archive.org)
    Subjects: Birds of prey  Custer National Forest (Mont. and S.D.)  Golden eagle  Great horned owl  Harding County  Harding County (S.D.)  Merlin (Bird)  Nests  North Cave Hills (S.D.)  Prairie falcon  Red-tailed hawk  South Cave Hills (S.D.)  South Dakota  Surveys  
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  3. Lead and mercury levels in golden and bald eagles and annual movements of golden eagles wintering in east central Idaho, 1990-1997 /
    By: Craig, Erica H. - Craig, Timothy H. - United States.
    Publication info: Boise, Idaho : The Office, [1998]
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Bald eagle  Composition  Environmental aspects  Golden eagle  Idaho  Lead  Lead poisoning in animals  Mercury  Toxicology  Wintering  
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