Turns (!ai\^ .• 



Skat or lead ^^^^ 

 hotlom . ^ * .^f^ 

 JSoiUtm U^mpei^tbiwn^ 

 sf{o.of ih'Cvrtvometcr 

 Con^cGt'Od fjeiihpc.rihturc 

 Air Surface 

 Trawl or dredge 



1^. 



Reel, * 



Depth' ^ ^ 



SOUNDINGS WIRE. 



DOWN. 



wr. 



Of ^ 



TURKS. 



.2 



900 



4UU 

 joi 

 Ooc; 

 7<NI 



laou 



1(00 

 fCoo 



ttou 



t9(x> 



DREDGE ROPE 



DOWN. 



