/Wvw f "J I + F G £~ Depth % 



Bottom -^£V*-' -fix** ^ 



Bottom trrtt prnifurr / 



No. of tftertnomefor 6> ^ w ^ Vj* 0br. O 

 Surface ^>~f Drift 



Air 



/ 



Tra wl or tiralgr 



SOUNDING WIRE. 



DOWN. 



Iff, 



- 



ruu>:*. 



> 



300 

 400 

 5O0 

 Ooo 

 700 

 8u0 

 900 



!■■>> 

 tore 



1 i'> ) 



1 [06 

 1600 

 1700 



vooo 



JIOO 



2400 



DREDGE ROPfc 



DOWN. 



UK 



