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By: Johnson, Darren D. - Montana Natural Heritage Program.Edition:Publication info: Helena, Mont, Montana Natural Heritage Program, [1991]Volume: 1991Series:Holding Institution: Montana State LibrarySubjects: Boulder River Watershed (Sweet Grass County, Mont Custer National Forest (Mont. and S.D.) Gallatin National Forest Gallatin National Forest (Mont.) Geographical distribution Harlequin duck Montana Stream measurementsBHL Collections: