-Z7v Date Tffccy " 



Machine 

 Tarns Cor. + 



fflvrtb^or lead 



JiaHow teitipertilitre. 

 No. of thrrnwmettir 



lu- rl , 



Depth 



Corrected t&mpvraiurc 



Air Surface 

 Traivl ut^drsdge 



SOUNDING WIRE. 



DOWN. 



Q * It h 



^0 



e /y* 30 



400 



500 



7uo 

 800 

 900 

 1000 

 nuo 



[20O 

 1300 

 1400 

 I50O 



r(k» 

 i7<xj 

 1S00 

 1901) 

 2000 

 2100 

 aaoo 

 3300 

 2400 



DREDGE R OPE. 



POWN, 



I 



^6- 



ft- 



K -071 



