Electrofishing survey 30 May 1991 Page 20 



Figure 7. Weight-length relationships and Wr values of largemouth bass 



taken from the Upper Illinois Waterway in 1989 and 1990. SD = 

 standard deviation of Wr values. 



Figure 8. Weight-length relationships and Wr values of smallmouth bass 



taken from the Upper Illinois Waterway in 1989 and 1990. SD = 

 standard deviation of Wr values. 



