J^o. of the^rwineier ^/S^ ^ 



4ir Surf (toe. 



Cor. 



SOUNDING WIRE. 



o 



lOO 



yoo 

 3UO 



400 



/ 



800 

 900 



t IM > 



1600 



2400 



DREDGE ROPE 



ooww. 



•-MI 



