SOUNDING WIRE. 





DREDGING CAlil,i : 



d l M. Dowk. 





(3pl[ t Down. 



Vv. ^.M, 





¥¥ 











o 



























100 



























200 



























aoo 



























m 



























500 



























800 



























r n 1 1 



























wx> 



























1 



























1 



























! LOO 















































































1100 



























1500 



























usoo 





















































1800 



























1000 



























V>(H1IJ 



























2)00 



























2200 



























2; too 



























2400 



























B500 



























2«00 



























2700 



























2800 



























2000 



























8000 



























yioo 



























:t2oo 



























:^Ui.i 



























B4O0 



























It'iOO 



























:ifW0 



























3700 



















* 









:isoo 



























mion 



























-1000 



























4100 



























4200 



























4800 



























4100 



























1600 



























■nsoo 



























1700 



























\H{n) 



























4000 















