Shifts J.ead 3^ ^Ij^ . 

 rinftom /S, /^r** _ _ 



Jtr&tom temiieraiur& io^^ 

 ^n,of ihc4'nhom>e(^r f5^?> ^ i . Our, 

 Corrected teinpQraturc ^ . t 



SOUNDING WIRE. 



UOWN. 



VI'. 



TUILN&. 



roo 



300 



500 



1000 



new 



I SOU 



\\<^} 

 15W 



ifKXt 

 1700 



iKtin 



y}Ou 



5300 

 •3400 



DREDGE ROPE. 



DOWN. 



UP. 



