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  1. Aquatic macroinvertebrate survey : streams of the plains ecoregions of Montana : 1995 / prepared for the Montana Department of Environmental Quality; prepared by Wease Bollman, Kate Parkin and Rebecca Spawn.
    By: Bollman, Wease. - Parkin, Kate. - Spawn, Rebecca. - BlueStem Incorporated. - Montana. Dept. of Environmental Quality.
    Publication info: Helena :Montana Dept. of Environmental Quality,[1997]
    Contributed by: Montana State Library (
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