Jto. />"/'• 

 Machine, 



Tin /i s' Cor I 



sUo/ *r lead 



Hoth't,,. 



H(,iioni temperature 



.V'/>. of Tltrrniotin h r 



t 'orrei /> ,/ h m t» rai a ' 



./// Surjncr 

 'f-'rrrtr/ t * i' tit ril^it UP IlltlfitfX 



•SOUNDING WIRE. 



h'rrl. 



Depth, 



)««• 



•i I • 



H i 



goo 



fiou 

 700 

 Kuo 

 bOfi 



1 



I IQO 



I '10 1 



I ,<". 



L4qp 

 1 v u 1 

 I0no 

 l?00 



I 01 „ 1 



9 IO0 



.'I * I 

 I [> " I 



Car, ' 

 Drift. 



DREDGE ROPE, 



It 



