Ctnrccfefl ieiihp'iralure 3 ^ • ^ 



Air 



SOUNDING WIRE 



DOWN. 



ur. 



TURNS. 



O 

 109 

 flOO 

 300 

 400 



700 

 800 



tooo 



tlOO 



DREDGE ROPE. 



UOWM. 



