& /u&C-/ 1 MacJtinc. / Jieel, 



TtinisS'X/ Cor. y Depth £ £ 3 



£ii**+-i*r lead 



Holt rmi 



JUillnm Iftttprrat ttrr. ^ ^ J ^ 

 No. of Th' t tHoitirti r " 1 Cor, — ^ 



Com clrrf lent /it ruin-re 3 ^7 ^ 



4 J/r 0 Surface J / * 



Tra wl or dredge or tdJlilCA 



SOUNDING WIRE. 





DREDGE ROPE. 



DOWN. 



UP. 



TUMNS. 



DOWN. 



VV. 



• 



Ih So 





0 ' 









2.3 3 (C 



IOO 







/3 Jo 





3°° 







/V,- :> 





400 









' / 



500 



000' 









700 











Sou 











yoa 



IDOO 











[|O0 





















1 5(K) 



M°0 











15(50 











1 71 >i 











iKoo 





















2t(X) 











2 2 CXI 











2-4QO 







