4'. 



ii . U*^ 3(5. oaln tr^ lf^ 



Air Hurfac6 Ss Drij% 



SOUNDING WIRE. 



!^ 



TURNK. 



O 

 lOO 

 UCX) 



300 



500 



luuo 



I ?• 



1500 



1800 



1000- 

 9000 



V300 



DREDGE HOPE 



DOWN. 



ur. 



