vn. S 



Machine. Iteri. 

 Turn* 2 7r?Cnr.+ / ? Depth 



sku+rUad 



Bottom h mprrafttrr 



.Yo. of thvrrrbomrtr.r 

 Corrected. Uunp^ratttn: 

 Air Surface \%° 



Trawl a n dr e d£v ^ ' J~'*+r. x-9 



. . Dredge ro'pt" 



Cor. 



Z>rift\ D.V 



SOUNDING WIRE. 



DOWN. 



to • 



DP, 



0 ^, 0 / 



• 0/1 



o 



TOO 



aS 0 



V" 



(ISO 

 l?l«J 

 ijoa 



• 



lOuo 

 1 • ) 



pgog 

 2000 

 ■j 100 

 2200 



Vj.«. 



DOWN. 



UP. 



3d iL f (t* 



.si 



7 



