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By: Brelsford, Monica. - Gallatin National Forest (Agency : U.S.) - Montana Natural Heritage Program.Edition:Publication info: Helena, MT, Montana Natural Heritage Program, 1992]Volume: 1992Series:Holding Institution: Montana State LibrarySubjects: Aegolius funereus Ecology Flammulated owl Gallatin National Forest Habitat Montana Otus OwlsBHL Collections:
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By: Hendricks, Paul. - Custer National Forest (Agency : U.S.) - Montana Natural Heritage Program.Edition:Publication info: Missoula, MT, Montana Natural Heritage Program, [1996]Volume: 1996Series:Holding Institution: Montana State LibrarySubjects: Ashland Ranger District Birds of prey Custer National Forest Custer National Forest (Mont. and S.D.) Flammulated owl Goshawk Montana United StatesBHL Collections: