Jhitom tctufuMuUtiirti 

 J^''0. of iJi^nnumfilnv . ' 

 Cor/'cctod temptm/urd^ 

 Air Surfaoc 

 Trawl or dredga 



Uur 



SOUNDING W(R£ 



JPtt . SOU 



3MJ 



400 



7»n> 



lOUO 

 IllV> 



J4CKJ 

 1500 



170D 

 »ouo 



U1CK> 



DREDGE ROPE. 



pnwK. 



