Jfo. 



i-U * Dale 

 Machine, Itcet. 



Turns Cor. 3 



Si, ft. frr Uad 



Bottom 



Roll am tempi rata re 

 3\'t>. of Tin rmamcler 

 Corrected h-mju-rnt on 



. tit Si ' Surface 



Trawt or dredge or t<in:>/c< 



SOUNDING WIRE. 



OOWN. | UP, 



n r.\s. 

 ( j 



no 



JOO 



300 



500 

 600 

 700 



.'l< n ) 



(JOO 



1 600 

 1 100 

 1200 

 1 \o< 

 1 )> « 1 

 150U 



liXXJ * 

 I700 



iKoo 

 lyoo 



JOOO 

 JUKI 



Depth 



('nr. 



Drift. 



DREDGE ROPE. 



l«»WN. 



