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v 



Machine 



I'ur/us y y Cor. + ^ 



SJluL-**i' lead 



Bottom* temparaiure ^ y* * 



Dapth 



..Yo. of Uumiioincti r 

 Corrected tenhperature 

 Air 



Trawl or dredge 



Air Surf cm // V 



Cor. ~0. ^ 



Drift. 



SOUNDING WIRE. 



DOWN. 



•I III-. 



i 6o i 



400 

 5«0 

 $0ft 

 700 

 Boo 

 900 



MM 

 i »...» 



l(HXi 



tyuo 

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2<JUU 



.•I..-' 



^4»i 



DREDGE ROPI 



Of. 



DOWN. 



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