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  1. Identification of toxic substances in the upper Illinois River : final report /
    By: Sparks, Richard E. - Ross, Philippe E. - Illinois. Dept. of Energy and Natural Resources. Office of Research and Planning. - Illinois. Natural History Survey Division. River Research Laboratory.
    Publication info: Springfield, Ill. (325 W. Adams St., Springfield 62704-1892) :The Dept.,[1992]
    Holding Institution: Lewis & Clark Community College / NGRREC (
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