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  1. Boreal owl (Aegolius funereus) and flammulated owl (Otus flammeolus) survey results for the Livingston District of the Gallatin National Forest / by Monica Brelsford for the U.S.D.A. Forest Service, Gallatin National Forest.
    By: Brelsford, Monica. - Gallatin National Forest (Agency : U.S.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,1992]
    Contributed by: Montana State Library (archive.org)
    Subjects: Aegolius funereus  Ecology  Flammulated owl  Gallatin National Forest  Habitat  Montana  Otus  Owls  
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  2. Results of boreal owl (Aegolius funereus) surveys on the Jefferson Division of the Lewis & Clark National Forest / by John C. Carlson, Montana Natural Heritage Program for the U.S.D.A. Forest Service, Lewis and Clark National Forest.
    By: Carlson, John C. - Lewis and Clark National Forest (Agency : U.S.) - Lewis and Clark National Forest (Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1991]
    Contributed by: Montana State Library (archive.org)
    Subjects: Aegolius funereus  Habitat  Lewis and Clark National Forest  Montana  
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  3. Status report on boreal owl surveys in southwestern Montana, 1989 / by P.D. Mullen for the Montana Natural Heritage Programs and USDA Forest Service, Beaverhead and Bitterroot National Forests.
    By: Mullen, Patrick D. - Beaverhead National Forest (Mont.) - Beaverhead-Deerlodge National Forest (Agency : U.S.) - Bitterroot National Forest (Agency : U.S.) - Bitterroot National Forest (Idaho and Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :MNHP,[1990]
    Contributed by: Montana State Library (archive.org)
    Subjects: Aegolius funereus  Ecology  Habitat  Montana  Owls  
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