«7. 



Ma6IUm. Reel'. 

 Tu.ni^ Cor, + / 



BuUoui, te/rifierattire 

 .y<i. 0/ /JLerniometer 

 Corrected tempercUiM^ • 

 Air ^^erfaae 



Cor, 



SOUNDING WIRE. 



UP, 



/7i 



HA 



lUtlNS. 



300 

 300 

 400 



SW 



ooi> 

 7C0 



700 

 Tono 



I If JO 



3000 

 .UJUO 



2300 

 MOO 



DREDGE ROPE. 



DOWN, 



:/ UP. 



