A' 



Bute /**H*su<tA 



ii— i m 



1* 



Tarns Cor, 

 Shot of lead 

 Bottom 



Depth 



Bottom, temperature 

 JVo. of tJwjviiometer 

 Corrected temperature 

 Mr ^ ® Surface & Drlff 



Ti>awl or dredge ^maAzsLL* ~&/&Ujs 



SOUNDING WIRE. 



DOWN. 



UP. 



t truss. 



0 

 100 



500 

 800 

 400 

 000 

 CilO 



TOO 

 800 

 000 

 1000 

 1100 



121 Ml 



j:t<n.i 

 1 loo 

 1 600 

 IdOU 

 1700 

 IS00 



LI 



JiUOO 

 -fiiii 

 2300 



3-100 



DREDGE ROPE. 



7- 



V/- 



