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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ingman, Gary L. - Horpestad, Abraham A. - Bahls, Loren L. - Montana. Water Quality Bureau.
    Publication info: Helena, State of Montana, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences, 1979
    Holding Institution: Montana State Library
  2. By: Bahls, Loren L. - Horpestad, Abraham A. - Ingman, Gary L. - Montana. Water Quality Bureau.
    Publication info: Helena, State of Montana, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences, 1979
    Holding Institution: Montana State Library
  3. By: Ingman, Gary L. - Bahls, Loren L. - Weber, Erich E. - Teton County Conservation District. - Montana. Water Quality Bureau. - Muddy Creek Special Water Quality Project. - Cascade County Conservation District.
    Publication info: Helena, Mont. (Cogswell Building, Helena 59620), Water Quality Bureau, Montana Department of Health and Environmental Sciences, [1984]
    Holding Institution: Montana State Library