RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



fetariuu 

 Date, 



Time of day. : of title, 



L(»(.ality. 



Kxact i<o.sitioii. 



Dei-th, 



Xattiie of boltoiiij 



Dredging instinmeur ust-d. 



Direction of drift, : distance, 



Temperature of air. tlieriu. >'o., 



of surface water. 



at deptL of farh(jm.>. 



at 1 ottoin, 



Density at surface. temp., 

 at (leptli of failiiMii.-?, 

 " at bottom, 

 Xnnil.er of salinometer, 

 Barometer reatling. 

 .State of .-tky. 



Diii-< tiou of wind, ; force, 



Kaiu. 



Direction of isiirfacr curieiit. ; force, 



" of bottom ■• : force, 



Name of vessel, 

 -^■rvice to wliich attached, 

 Name and rank of coinHiauding officer. 



Xame ami jtt>'>itiiHi ot' oii>erver. 



