Turns ±f-y Cor. + ^ 



Depth 



Xkfvfr-ur lead 



Bottom 



Bottom /<mpr ratine - . 



f 4/ ' K 



,/W>. «/ //< .en/uan -eter ^S^C ^ 

 Corrected tcuvptraliiro g £ . <y 

 Air ytffl Surface, 

 Trawl or dn dtfe 



Drift 



SOUNDING WIRE. 



down. 



UP. 



•-ant 



•J V K N'.. 



3W 



500 



700 



Boo 



ItWX* 



( I" I 

 IflOQ 

 1300 



UNO 



l 



laou 

 1000 



Man 



DREDGE ROPt 



nrnvN. 



UP. 



