Maelvin<e, UhaL 



Tttrna - Cor. \ 



tShotr or lead 



BaUom 



Jhitlom Umperaixvro 

 JS'o, of Thcrmofneicr i _ 



jlir Surface 

 Trawl im-drsdife ^r-^fa/t'^le^ 

 SOUNDING WIRE. 



O 



aou 

 Silo 

 .;oo 



4(xji 

 5mj 



7W 

 too 

 900 



I oi.Xj 

 IKX) 



I3m 



1 400 

 150U 



iKoo 

 1900 

 aot» 



3IO0 



saoo 



2400 



Cor, ^ 



Drifts . ^. 

 DREDG15 BO^E' 



iipi 



