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iSVwh or /<MMi ^. , ^ ^ IJ 



HoU/tm ternperatiire 

 of tk€nfwjnet>er 

 Corre^'Od f t}nip*^ratu<re 



Trawl or dred/r. 



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///.SO 



UP. 



•I URNS. 



300 

 400 



700 

 800 

 900 



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llkx) 



If/X> 



atoo 

 aauo 



2300 

 2400 



DREDGE ROPE- 



DOWN. 



OP. 



