G43 



RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



^tatiuii X«i. 

 Date, 



Time of day. : of tide, 



Loeality. 



Kxact position. 



Depth, 



yariiie of Ijuttoiii. 



Dredging intstrninent u>ed. 



Direction of diift, ; distauce, 



Temperature of aii, tLeriii. Xo., 



of surface water, 



at depth of fathoni;?, 



at hottdui, 



Density at surface, temp., 

 •• at flepth of fathoiiib, 

 at l>ottoiii. 

 Xmuber of saliuometer. 

 Barometer reading. 

 State of >ky. 



Direction of wind, ; force, 



Kaiu. 



Direction of surface current, : force, 



of bottom ; force, 



Xanic of vessel, 

 - hicli attached, 



y-AUK; and rank of comraaiidiug officer. 



Xaine and p*.->iti'iii of nh-,!:! vt-v. 



