Ah. 



JJato 



Maahin*. Itetl. 

 Cor. -f DefjtJi 



Bottom, 



/j'oUoit/ h in prnt l.it r, 



No. of Utcrnunn rl, r Cor. 

 Corrects? ft mj^raturt 



Air (j /[' Surface, < Drift- 



.... 6f 



Trawl — dred g e ^ W*4aV 



SOUNDING WIRE.* ^ 



DOWN. 



UP. 



V/.o \r> 



BOD 

 Suo 

 400 



5<ft> 

 f>oo 

 700 

 800 

 900 

 J Or M.t 

 f K*0 



j y.xj 

 U»J«J 

 1 :,«Mj 

 L600 



1 m . 



|.<<lO 



23OO 

 2400 



DREDGE ROPE 



I 571 



