i 



. . -4H I - / ■ ^ 



Ti4,rit>s 



BnUom 

 IlnHoifh (cm>j>e. 

 .'Yo. of thrrmonieter 



Air y I Sifrfac^ ^ 0 



Trruiit or dredge 



SOUNDING WIRE. 



In 



Ul>. 



2 Uo,^o 



10 



TURNS. 



« -Ml 



O 

 II 



fKX) 



I lot 



I lO 



14CW 



1500 



1700 

 rftoo 



1900 



3JOO 



aaoo 

 2300 

 2400 



DREDGE ROPE. 



DOWN. 



OK 



