nirni j^/o Cor.-k- /f Vep^t. 'j^^ 



Bottom' tAfipAratnm j 



of /homufrfusicf 

 Oorrccf^. it^mperalura ^ 

 Air Surffj^ 

 Tra wl or dredge • 



if f 



Drift. 



V DO 



SOUNDING WIR£. 



0 

 JOO 

 900 



4tM 



>»uo 

 lyjfj 

 t<dtt 



1700 

 a4on 



DREDGE ROPf. 



