ittn. 



Date 

 Machine., lieel. 



V 



Turwi 



Shoi or lead 



,Yo, of tfi^rm^JU'ete'r 

 Corrected l^nipf^ra'tU're^ ) 

 Air >iti,rfa'C& 

 Trawl or-air^c 



Depth 



Cor. 



Drift 



SOUNDING WIRE. 



•rvitws. 



yon 



JOO 

 (lOO 

 700 

 800 



(fKi 



TOIX) 



t T< KJ 



1300 

 lioo 



1700 



sooo 

 091Q0 

 »4on 



- 'DRED GE W.jH 



UP. 



