^/t^y '^6" sr* >r. \\oY ' h 



Twrm eS?r.+ > 



JJfdkirth femperaiftire 

 .Yo. of Ihenrwr/wter 

 CaiTCGt'^td iemperatiir& 

 Air if f Hurfaoa 

 Trawl or dredge 

 TTSOUNDING WIRt. 



f V; jb 



II 



too 



300 



•VXJ 



boo 



1000 



1 100 



•J too 



:i3oo 

 3300 

 2400 



Cor. 



nri.ft 



DREDGE ROPE. 



DOWN. 



I5U-J 

























or. 



