AM. 



Jhdtoith tA'tujMvatura 



Corrected Ut/ipcratur» 

 Ai/r Sur/aco 

 Trawl or dredge 



SOUNDING WIRE. 



TURNS. 



700 



700 



yai 

 luM> 

 %Mi 



tjoo 



I7C0 

 raori 



XttiO 



Oor, 



Drift 



DREDGE ROPE 



t>OWl(. 



1W. 



