'^jf'^A^^ Machine.. / lUeJ.. ^^^y 

 Tu.rn^ 1^2- Cor, + Depth ^ ^ft 



JfoUom Unhperativre ^ 



wYo. of tfirtrirvometer Cor. ^ 



Corrected temperaturti. 



Air ^^7^^ SiLrfaoe 1 ^ Drij% 



SOUNDING WIRE, 



DOWM. 



UP. 



% 67J 



I UUNN. 



9ICX> 

 3400 



DOWK 



DREDGE R QPE. 



