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By: Bahls, Loren L. - Montana. Department of Environmental QualityEdition:Publication info: Helena, Mont, Montana Dept. of Environmental Quality, 2001Volume: 2001Series:Holding Institution: Montana State LibrarySubjects: Algae Antelope Creek (Park County, Mont.) Groundwater Montana Potter Creek (Park County, Mont.) Quality Shields River Valley Shields River Valley (Mont.) Water quality biological assessmentBHL Collections: