SOUNDING WIRE. 



FHE 



DREDGING CABLE. 



/7M, Down. 





.... M. Down. 



Up, M. 





"36 











0 

 LOO 



























200 



























im 



























400 



























500 



























(WO 



700 



























H00 



























noo 



























1000 



























1100 



























1200 



























130(1 



























1100 



























1500 



























HK)0 



























1700 



























L8Q0 



























1000 



























■NHHJ 



























2100 



























WOO 



























-■hiij 























































2IUIU 



























2700 



























8800 









i 



1 

















2000 



;ujuo 



























M 1 00 



























11200 



























iUlOO 



























8-100 



























3500 



























8000 



























U700 



























;1H00 



























swo 



























■iOOO 



























mm 



























i-.'ini 



























4 boo 



























■IKK) 



























■not) 



























4000 





















































4H00 



























1 4000 















