643 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY, 



Time of day// ^ ^ , : of tide, ^/ ^ J 



Locaiitv : p^y^a 



Exac t position.. t^rf^M^*-^ ^Lf/^ 



Depth, £ f /^^J^L 

 Nature of bottom, 



Dredging instrument usetL ^T^^^H-^' ^ 

 Direction of drift, fc^- : distance, %&4C™s 



Temperature of air. 



" of surface A titer, 



at ilejVh/>f fathoms, 

 at lio^roni, 

 Density at surface, 

 Tejdli o 

 " :it bottom. 

 Number of salinoinetei 

 Barometer reading, 

 State of skv. 



therm 



Temp. 



Direction of wind. 



; force, 



Rain, 

 Direct 



Name 



ion of surface current, 

 ■— ^ of bottom *y 

 of vessel. ^ T 



Service to which attached, 

 Name and rank of commanding officer, 



5E 7?, &*a~JL«* 



f observer j< 



Name ami po 



