Depth mpv*o- 



y Maohinn. — Tied. 



Turn* u I Cor. + ' 



Bottom !< >n pf.raturB 

 Ao.vf tlwnn*ptnet*r I *; j 

 Corrected I* m/.-nii arc 



Air Surface. # ^ 



Trawl or drcdgr 



SOUNDING WIRE. 



1 Down. 



mji r,' . 



(• 

 too 



iMO 

 30O 

 .|0O 



»,r*> 

 600 

 700 

 Wou 

 goo 

 1000 

 1 1 1 « • 



ta/xj 



1 - « - 

 IOOQ 



2<|0O 



DREDGE ROPf 



DOWN. 



UP. 



