RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



StHtiuti Xo. 

 Date, 



TiiUf of day. : of tide, 



LfH-ality. 



Kxitcr position. 



Depth, 



Xutuie of Ijottoiii, 



Dredging iustninieiit iissed. 



Direction of diifi, : di^rauce, 



Temperature of aii, therm. 



i»f surface water. 



at depth of fat bom*. 



at l;Ott<»m, 



Density at surface. teiiii*. 

 " at depth of fathoms, 

 at liottom, 

 Xujuher of saliuometer. 

 Barometer readiuj^. 

 >!uTf of ^ky, 



DiiL-f.-tioii of wind, ; force, 



Kaiii. 



Direction of surface current. : force, 



" of)*ottoiii •• ; force, 



Name of vessel. 

 Service to which attached, 

 Name and rank of commanding officer, 



Xaijie and iK)-*ition at' *il)>.erver. 



