f oy 



V 



.^cukiTttf. ^ Red. . 

 Bottom tentperahurc ^ ^ 



^^7 



Air SurfoAse 

 ^SQUNDiNG WIRE. 



DHft 



DOWN. 



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goo 

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isoo 



iftrm 

 1700 



2000 



2JOO 



DREDGE ROPE. 



DOWN. 



OP. 



