zff 'jfcy ///* jf & 



^''l - Data 



J/arhine. Re.nl. 

 /Urn* ' Cor. + Depth 

 ■ '/<<.l or trad 

 JiolloUh 



JioUmn temperature 



.Yo.oj 'thermometer Cor. ~ 



Correct**/, temperature 



Mr Surfaor. V/ Drift 



Trawl or dredge 



, SOUNDING WIRE. 



up. 



1UUNK. 



Q 

 iw 

 200 

 300 

 ,(O0 



500 

 600 

 700 



boo 

 000 



j (00 



l.tfX) 



1500 



1700 



!■/« 

 togg 

 aroo 



DREDGE ROPF 



JMJWK. 



