nfn. 



Jfo. 



Tu,rri$ 

 Sliot or lead 

 Bottom, 



Date 



Machine. Heel. 

 Cor, + 



Depth 



JSvttotn tcmperaUtre 

 jlfot of tJtennojrieter 

 Corrected temp&ratiury 

 Air Surface 

 Tnuvl or dredge 



Cor, 



Drift 



SOUNDING WIRE. 





DREDGE ROPE. 



DOWN. 



UP. 



TURNS. 



DOWN, 



UK 







o 











too 











200 











300 











40a 











51x1 











600 











700 











BOO 











900 











li H , , 



uou 



















1 200 











13*10 





















J 500 











l6tX) 











t7oO 











ISOO 











Ujf *t 











2O0Q 











stoo 











1 200 















■ 













