SOUNDING WIRE. 



M. Down J Vr. M, 



DREDGING CABLK. 



jr. Down. Up. 



M. 



/> 





t{ 





■ — f — ■ 



m 



0 























a/-**- 

























300 









































































ooq 

























500 

























run 

























.son 

























110(1 

























1000 























1 LOO 























1200 

























l: 

























uoo 

























two 























inoo 











































i SI 111 























lorm 























2000 

























.3100 

























2200 

























2»00 

























MOO 

























M00 

















































2700 

























2800 

























^00 























.nun) 























moo 

























:t-un 

























8®CH) 

























;mn> 

























Moo 

























B6pq 

























:t7oo 

























SSOO 























:« 

























■1000 

























1100 

























rjoo 

























£$00 

























1400 

























■t.MHJ 

























■WlH 1 























-1700 























4800 

























4000 















