SOUNDING WIRE, 





DREDGING CABLE, 



H D 



t tU'\ 



J U*. JL M. 





. M, Down 



Up, _M. 







.&£ 



a or 



-/>«■ 





(J 













i 



/X, 











100 

























'Jim 



























noo 



























•100 



























500 

























BOO 



























700 



























800 



















































1000 



























1 



























1200 



























liSOO 



























MOO 



























1500 



























iriiHi 



























1700 



























1800 



























mm 























































^100 





















































v. 



























■inn 



























woo 



























'2000 





















































■JSIII.I 























2900 

























8000 



























8100 

























:SVliM 

























) 

























:mih) 



























jwoo 



























sow 



























51700 



























;woo 



























;iooo 



























•1000 



























-1100 



























v 



























wmi 



























•MOO 



























MOO 



























l.i.HI 



























linn 



























isnn 



























4000 













