State of Illinois 

 Henry Horner, Governor 



LAKE MANAGEMENT REPORTS 

 1. Horseshoe Lake near Cairo, Illinois 



David H. Thompson 



and 

 George W. Bennett 



Department of Registration and Education 

 John J. Hallihan, Director 



Division of the Natural History Survey 

 Theodore H. Prison, Chief 



Biological Notes No. 8 Urbana, Illinois September, 1938 



[Printod by authority of the State of Illinois] 



