!hr(r 

 Machine, 

 for. L 



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Shot t»r l< a (I 



Bottom 



lift torn tcuifn vutuiu 

 J\o. of Th, rinumt tcr 

 ( 'i,rr> < [t i! !, nificnUun' 

 Jir SttrjUcr 



/V,,//, 



I V// . - 



Drift. 



SOUNDING WIRE. 





DREDGE ROPE. 





vr, 



n.'MNfi. 



I " >NS -• . I T. 







<» 











I06 











200 











jfiO 











400 











500 



Soo 











7or> 











800 





















1 000 











1 100 











1 fiOti 





















I.JOO 











1 5UO 











1600 











J 7 OO 











180a 











1500 











2000 











SHOO 











2 300 











2301. 











2400 







