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  1. Biological integrity of the Shields River near Wilsall, Montana based on the composition and structure of the Benthic algae community / prepared for State of Montana Department of Environmental Quality ; prepared by Loren L. Bahls.
    By: Bahls, Loren L. - Montana.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Contributed by: Montana State Library (archive.org)
    Subjects: Algae  Groundwater  Montana  Quality  Shields River  Shields River (Mont.)  Water quality biological assessment  
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  2. Shields River habitat and aquatic invertebrate assessment, September 2000 / prepared by Wease Bollman.
    By: Bollman, Wease. - Montana. - Rhithron Biological Associates.
    Publication info: Missoula, Mont. :Rhithron Biological Associates,[2001]
    Contributed by: Montana State Library (archive.org)
    Subjects: Aquatic invertebrates  Fishes  Habitat  Montana  Shields River  
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