Maohific, Itetff. 



Ttirns ^^Qor.-^r / 



Boi.i4pm- ttfm.pnraturc 

 .'V>*. of iJmrtfhtnnpcUr 



Air cf^ Sttrfa4ie 

 Trawl or drtdgc 



SOUNDING WIRE. 



DOWN. .'y y^V. 



if/ 



■J 



o 



joo 



y» 



I fi t I 



a 300 

 Uuo 



1700 



aux> 



Cor. 



Drift 



DREDGE ROPE 



DOWN. 



UP. 



