.Yo. Dale 



Machine. 

 Tiirn-n Cor. i 



>^hot or lead 

 Bottom 



lUtt (onv hemporiU a rt\ 

 i/fo, of ThvnfujfnHcr 

 Corrected kw/M-raliint 

 Air Hivrface 

 Tra.wl or dredjje or tanj^les 



80UNDINQ WIRE. 



lioWN. 



lOO 



aoo 



.|UU 



500 



ikwj 

 7cx> 

 800 



tttoo 



1 I 



1 ■:os i 

 I /»< I 



I '"/'CI 



1700 



jSoo 



.'IX "J 



J l< »( I- 



Depth 



Cor. 



Drift. 



DREDGE ROPE. 



IKrtVS. 



