JVo. 



Machine. , TkrX 



Bottom 



Depth 



JJoUoro frtH pr.rafure *S\/ 



Cor. 



Corrected tr.m j» • raht re, 



Mr f3 Surface f$ 

 Trawl or dredge 



Drift 



SOUNDING WIRE. 



r>owN. 



DO. 90 



03, 10 

 oh. W 



d C I '0 



oi.io 



UP. 



fate 



JfS(K 



/us 



WO 



TV%H% 



I I Mi 



COO 



y*> 



400 

 500 



Im*> 



8O0 



WOO 

 I MKJ 

 I Ji h* 



1300 

 I Ji n> 



ISOO 



1 ;i N I 

 1800 



If/MJ 



|QOQ 

 2J0O 



DREDGE ROPE. 



oow.v. 



UP. 



1 BTI 



