SOUNDING WIRE. 





DREDGING CABLE. 



^ M. DO ww. 



Uv. J M. 



i Air*, 



__M. Down. 



Up. „.M. 









/ 





!i — * 





























inn 

























200 



























800 



























-100 



























mo 



























000 



























700 



























800 



























'Mill 























mm) 























1 Mh.i 



























lyoo 



























isoo 



























1400 

























l BOO 

























1000 



























1700 



























1800 



























1000 



























6000 





















































2200 



























8300 



























3400 



























2500 



























2000 



























-run 





















































'-IHKI 



























-1000 



























oioo 



























0200 



























X 

























MOO 

























snoo 

























;i«oo 



























:t;»o 



























0800 



























8000 



























4(MM> 



























4100 



























1200 



























looo 



























4400 



























■1.^00 



























liinn 



























1700 



























4800 



























4OO0 















