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By: Hendricks, P. - Montana Natural Heritage Program. - United States. Bureau of Land Management. - United States. Bureau of Land Management. Lewistown Field Office.Edition:Publication info: Helena, Mont, Montana Natural Heritage Program, c2000Volume: 2000Series:Holding Institution: Montana State LibrarySubjects: Baird's sparrow Bird surveys Birds Brewer's sparrow Brown-headed cowbird Counting Fergus County Geographical distribution Grasshopper sparrow Grassland birds Lark bunting Long-billed curlew Montana Musselshell River (Mont.) Petroleum County Ponderosa pine Roadside transect Sage thrasher Sagebrush Savannah sparrow Short-eared owl Sprague's pipit Upland sandpiper Vesper sparrow Western meadowlarkBHL Collections: