STATE OF ILLINOIS 
WILLIAM G. STRATTON, Governor 
DEPARTMENT OF REGISTRATION AND EDUCATION 
VerA M. Binks, Director 
Pere ene tls OR YSU RV EY -DiLVES LON 
Hartow B. Mitts, Chief 
Volume 26 Beek Beal Tas Article 4 
Efficiency and Selectivity of 
Commercial Fishing Devices 
Used on the Mississippi River 
Moki ANC. STARRETT T 
POU eGe BAR NICK OL 
Printed by Authority of the State of Illinois 
Ub AN AS IL DUN Ors 
July 1955 
