Ihttr 

 .Mftf/iittc, 



Ttirns/$Z*LCor t > h 



Depth 



Bottom *y 1 tf^ 



No, of Tin rrtt intu it r Qpr % ~~ ? 



Corrected t rm/» rti htre J L J 



J/'r Surface 7& Drift. 



Ti-trtt'i or d.red<Jr or tti/io/e.f 



SOUNDING WIRE. 



in i\W 



ire, 



/.J ^ 



TURNS. 



o 



loo 



200 

 JOO 

 .JfX> 



50C3 



6 cki 

 700 



Sua 



[400 

 1500 



llHH't 

 I700 



I',. , 



20O0 



2JOU 

 11 1' 1 



DREDGE ROPE. 



DOWN. 



rm 



