JVb, 



iJlk4>h vr lead 



MaofUm, 



JJepth -^A 



lioiiom t<smpnramr» 

 .'Yo. of ifiisnfwmaier 

 Ctfrrcct«d' temfj^ratUTA 

 Mr Surfam 

 Trawl- or drodgfi 



SOUNDING WIRE, 



/9 POWH. 



coo 



300 



500 

 C<w 

 700 

 800 



1066 



isoo 

 1300 



rftoo 

 1700 

 1800 



3040 

 3}CX1 



DHft 



DREDGE RQP£ 



