bo 



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Bottom tempcratu 



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Corr/'flrfl lent pcm turf* *J £ 



Mr y b Surface Drift. 

 Tnnvl uy i/n'dge or taitgii's 



7 



SOUNDING WIRE. 



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too 

 300 

 30O 

 400 

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1200 

 1300 



1400 



1500 



I I H .« J 

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 1900 

 2O00 

 .* 1 01 j 



220".. 1 

 23OO 

 24OO 



DREDGE ROPE. 



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