r«f. 



TiL/ fh.'i ' 'or. 



SJiot or UuaI 

 iJoUnm 



bottom ivin/j'Hiiurt- 

 J>fo. of Thermom-oicr 

 Corrected icmpcraUirn 



. iir ^ Stirf'U'c 



Trii wL or dredge or hin t^lt s 



SOUNDING WIRE. 



UP. 



TURNS. 



•joo 



tKKl 



Cor. ^ ,3 

 Drift. 



I \rw> 

 I JOi> 



I \<>n 

 I H-0 

 I 



1700 



iSno 

 1900 



2i>-i«ri 



J JOO 

 2400 I 



DREOQE ROPE. 



UoW.S. 



