Depth 



Machine 

 Turn* Cor. + 



Bottom /^Y i 

 ttolkom, temperature 

 .Yo. of t/icrtnometer Cor, 

 Corrcc ted temperature 



Air %3>* Surface tf* Drift 



Trawl or dredge 



SOUNDING WIRE. 



DOWN. ! 1 fp, 



- _ /i ^ 



^yJljL tit 



* 1171 



TURNS. 

 O 



too 



200 



500 

 600 



700 

 Soo 

 900 

 j 1 - .0 

 1100 

 1200 

 rjoo 

 noo 

 1500 

 j 600 

 i?uo 



ISOO 



2000 

 vroo 



2200 

 SJOO 

 2400 



DREDGE 



DOWN. 



/£>. 0,T. - 



'7. 



