r 



?3 



Madluins. 



Ttotlotn ^ 

 JJrrttfmi hmtpuratitifm 



Corrcoled ievi^p^raiure 

 jfir ' Surface 



Trawl ortfredfe 



Depth 



7 



SOUNDING WIRE. 



DOWK. 



UP. 



TURNS- 



DREDGE 



*•■ " "r -■■ " 



UOWN, 







O 



lOO 



31,'- 



300 





400 



/I 



500 





Vi>-i 





Ho* 









toot J 





1 100 





I '^00 









1400 





I5<» 





t6oo 





1 7< .•■ » 

 iftuo 





X900 





2UOU 





i If*] 









2300 





2400 





OP. 



t7 



1 



