32 



U. S. FISH AND WILDLIFE SERVICE 



'^^ ~_ ^00? NET BROOK HOOP NET 



8 TO 18 FEET IN LENGTH 9 TO 18 FEET IN LENGTH 



MOUTH 3 TO 6 FEET IN DIAM MQUTH 3' TO 5 W. - IV.'tO 3 H. 



SMELT FISHING 



Great Lakes Region 



