.S7t of> f}r liietdr, 

 Botiotrb fiirn'pfira^ura 



Air Hurfom / a 



IVavjl or dredge 



Cor, 



DHft 



SOUNDING WIRE. 



UP. 



,--t 



/S'/o 



'f£0 



1^ 



WO 



Mi 0^ 



o 



lOQ 

 i'OO 



70J 



800 

 900 



JOfJIJ 

 1 - - 

 IJOO 



1500 



J 7CK> 



l'/X» 

 2000 



aic 



3300 

 2400 



DREDGE ROPE. 



UP. 



1 A71 



