UILU-WRC-77-0005 



SPECIAL REPORT NO. 5 



LU3C 



Environmental Inventory and Assessment 



of Navigation Pools 24, 25, and 26, 



Upper Mississippi and Lower Illinois Rivers 



An Electrofishing Survey of the 

 Illinois River 



By Richard E. Sparks 



UNIVERSITY OF ILLINOIS 

 AT URBANA CHAMPAIGN 

 WATER RESOURCES 

 CENTER 



RIVER RESEARCH LABORATORY 

 ILLINOIS NATURAL HISTORY SURVEY 

 HAVANA, ILLINOIS 



JUNE 1977 



SI? 6*tTTb 



^(sertraline HO) 



This report is the second edition. 

 The first edition was published by 

 the U.S. Army Engineer Waterways 

 Experiment Station as Contract 

 Report Y-75-4, dated December 1975. 



