45«- 



-h 



M-2 



fc Z 



i\~ 



35 



(174) 



198 



■J.. 



M-2. 



~-Y- 



33 



(221) 

 148 



: <3 



,684 



(446) / M 



+ 3,779/ 36? *+ 



(426) i 

 1,781 J 



M-5," 



(415) 

 884 



133 



(234)' 



569 



M256) 

 261 



W-4 ■ 



(~ M-C 



1,838 / 



(354) / 



5,093 / 338 

 / (407) 

 f 830 



/ 



2,235 

 (41 I) 

 5,323 



^ M-7 : 



790 

 (439) 

 1,802 



+ 



LAKE MICHIGAN 



10 10 20 30 40 50l 



Figure 2.-Map of Late Michigan showing boundaries of the 

 statistical districts (JJisconsm, *-l, W-2, , 

 Michigan, tt-1, M-2,---). The statistics shown for 

 the districts are 1953 records of production in 

 thousands of pounds (top), catch in pounds per 

 unit of effort (middle— In parenthesesj, and 

 number of lifts of 10,000 linear feet of chub gill 

 nets (bottom). ^ 



