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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bahls, Loren L. - Montana. Department of Environmental Quality
    Publication info: Helena, Mont, Montana Dept. of Environmental Quality, 2000
    Holding Institution: Montana State Library
    Subjects: Algae  Billman Creek  Billman Creek (Park County, Mont.)  Groundwater  Montana  Quality  Water quality biological assessment