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Sediment Toxicity in Reach 15 of the Upper 

 Mississippi River 



Technical Report to the Illinois Department of Natural Resources 



Center for Aquatic Ecology 



Denise B. Stoeckel, K. Douglas Blodgett, and Richard E. Sparks 



Illinois Natural History Survey 



607 East Peabody Drive 



Champaign, IL 61820 



January 1997 



Aquatic Ecology Technical Report 97/1 



