7'urfM Cor, 4- 



JJoUoni Umpnmtur^ 

 Xo. of t^tarifuturuiiar 

 Corrcct-ed iSFi^pertUure 

 Air Co ^arfq^ 

 Trawl or drGdgn 



SOUNDING WIRE. 



DOWN. 

 I S'- 0 0 



too 



300 



400 



^ 



6do 

 900 



tooo 



IJOO 



!<;«> 



i/mx> 

 1701 



8000 



atoo 



6V. 



DREDGE ROPE. 



DOWH. 



Oft. 



