s**tysj£<JLS Machine Reel. uy 



Mot erica* *&$**^m , '" 



Bottom teniperature 3 i/ 



♦ Yo. 0/ thermometer V>f*+ fi Cor. H o > I 



Corrected UfmptPdU ( h 



./&r ^ Surface L^V* Drift 



Tratvl or dredgti 



SOUNDING WIRE. 



HOW.V. 



Pi, Mj 



rye 



A 



ion 



3Q0 



300 

 400 

 50O 

 600 

 7f» 

 floo 

 900 

 1000 



1300 

 1 u>» 



I -ud> 



I Goo 

 J 700 

 180O 

 nj> jo 

 2000 



.'!<»> 



230O 

 2300 



DREDGE ROPF 



DOWN. 



