Red,, ., 

 DupOi 



BotUsm ly< ^W' Ipp. ^ j ^^^'^ 



iSoUoin- ternjmrihUire- 



Ao. of tJicnti-ornrMr ^-^W^ 



Corrects Um/H'ralUir» ^ 



Mr ^/ Surface 7*/ /Jri/^ 



Trcuvl or dredge 



, SOUNDING WIRE. 



DOWN. 



UK 



sr 



300 



5*" 

 (km 



•/'to 



HiMf 



900 

 lOMj 



I roo 



I L'<X) 



l_','J»> 

 14«JU 



I !,ou 



1600 

 1900 



30QO 



'J 100 



fljoo 

 2400 



DREDGE ROPE. 



JjOWN. 



VP. 



