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  1. The freshwater mussels (Bivalvia:Unionidae) of the Fox River Basin, Illinois and Wisconsin / Robert W. Schanzle ... [et al.].
    By: Schanzle, Robert W.
    Publication info: Champaign :Illinois Natural History Survey,2004.
    Contributed by: University of Illinois Urbana Champaign
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  2. 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
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