BULLETIN 



of the 



ILLINOIS NATURAL HISTORY SURVEY 



THEODORE H. PRISON, Chief 



Overfishing in a 

 Small Artificial 

 Lake 



Onized Lake Near 

 Alton, Illinois 



GEORGE W. BENNETT 



Printed by Authority of the 



STATE OF ILLINOIS 



DWIGHT H. GREEN, Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 

 FRANK G. THOMPSON, Director 



