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By: Sparks, Richard E. - Illinois. Aquatic Biology Section. - Illinois. Natural History Survey Division. Aquatic Biology Section. - National Great Rivers Research and Education Center - NGRREC.Edition:Publication info: Havana, Ill, River Research Laboratory, Illinois Natural History Survey, 1985Volume:Series:Holding Institution: Lewis & Clark Community College / NGRRECSubjects: Ecology Illinois River Long term ecological research Mississippi riverBHL Collections: