^ / 



TiLrnM^^lf (hr.-^ Vepth. ^^7 



JJottoito imthpnraiure *^ v ' v 

 . Vb. of t}ter9iu>m&ter^ 

 Corrcciedt temperature 

 Air ^ Surfrtm ^ ^ 



Traufl or dredge 



Cor. 



Dn.fi 



SOUNDING WIRE. 



DOWN. 



UP. 



300 



500 



&CK} 



600 



ryno 

 X500 

 I4rx> 



jOw 

 I 



If/CXJ 



ssoo 

 A400 



DREDGE ROPE. 



DOWN. 



UP. 



