

SOUNDING WIRE, 





DREDGING CABLE. 



_M, Down, 





... M. Down, 



Up. ... 















w 





1 













































m j 

























300 

























Am 















500 



m 



700 



\m 

 nm 



1100 



laoo 











1 











'■ 





















ir>ofl 





















































1700 



1 

























1800 



1 











-- 











1 





1000 



I- 

























1KK» 





















1 







*^100 



























3300 



























saoo 











J 



j 















24 OD 













i 









































2fl00 



























a700 



























2900 



























2000 



























aooo 



























3100 



















































R»00 



























urn 



























anoo 































1 





















1 





























\vm 

























1 





























4000 



























4100 



























4300 



























4300 









1 



















4400 I 



















































i 



























1 



4700 { 



























4600 



! 



























1 









1 





