T/^wl or dredge 



Cor. 6»' 



Drift 



0^ 



SOUNDING WIRE. 



KK>WN. 



- • k 



^ A. • = 



n. > 



TURNS. 

 II 



I'" 



I II I) 



170a 



2000 

 r f T,' 



OREDCE ROPf, 



POWW. 



