us 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



Station No. 

 Date, M ~ 

 Time of day. 

 Locality. 



Exact position. <3$.as&~~<a 



of tide. 



0^ . 



*7 e 



distance. ■ 



therm. No., 



Teiu] 



Depth, / J £AA*s_ 



Nature of bottom, £ ^^ff =u -, • jjjt' &<sA 



Dredging instrument- used, -^3j=r~ 

 Direction of drift. 

 Temperature of air. 



of surface water, 

 " at depth of fathoms. 



" at bottom, 



Density at surface, f-» $-M2-jt 

 at depth of fathoms. 

 • : at bottom, 

 Number of salinoroetei , 

 Barometer reading. ^ ^ ^ (o 

 State of *kv. 



in r f 



Direction of wind. / • ; force. 



Kain. 



Direction of surface current. : force, 



4t of bottom " : force, 



Name of vessel. ^ ' -^C 



Service to which attached.-^ 

 Name an<l rank of commanding othcer. 



Name and position of ohsei vt-: . 



