SOUNDING WIRE. 





DREDGING CABLE. 





Up. 







y 























































































xm 











































■ 











r><K) 



























(t(K) 



























700 



























S(H> 



































































































































1S0Q 



























J 100 



























1^(30 





















































Mm 





















































mso 





















































SiOO 





















































%m 



























S400 



























ti^oo 1 



























2000 



























9700 



























IJSOO 



























3«00 

 9000 



























aioo 



























;j200 



























aaoo 















































































J [(.too 



























\vtm 



























wm 





















































4000 



























4100 



























*v}m 



























'^00 



























1400 



























4:i00 



























1000 



























4700 





















































4000 















