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  1. A survey of the freshwater mussels (Bivalvia: Unionidae) of the Sangamon River Basin, Illinois / Robert W. Schanzle, Kevin S. Cummings.
    By: Schanzle, Robert W. - Cummings, Kevin S. - Illinois.
    Publication info: Champaign, Ill. :Illinois Natural History Survey,1991.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Freshwater mussels  Illinois  Sangamon River Watershed  
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