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  1. Biological integrity of O'Fallon Creek and selected tributaries of O'Fallon Creek 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  O'Fallon Creek  Quality  Water quality biological assessment  
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