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By: Sparks, Richard E. - Blodgett, K. Douglas (Kevin Douglas), - Illinois. Center for Aquatic Ecology. - Forbes Biological Station (Havana, Ill.)Edition:Publication info: Havana, Ill, Illinois Natural History Survey, River Research Laboratory of the Forbes Biological Station, 1991Volume:Series:Holding Institution: Lewis & Clark Community College / NGRRECSubjects:BHL Collections: