RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



5fratiou Xi». 

 Date. 



Time of day. : of tide. 



L<>c;ility. 



Kxaf-t position ; 



Xatnie of l>ottoUi, 



Dredging instniineut used, 



Direction of drift, : distance, 



TeiTipeTatTire of air. therm. Xo., 



r»f surface water. 



at depth of futhoin.s. 



at bottoiiij 



Density at surface. teinp., 



at depth of fathoms. 



at Itottoiti. 

 NiiiiitM,r of salinorofter. 

 Barometer n-adin^'. 

 ■State of sk^-. 



Direction of wind. ; force. 



Rain. 



Direction of surface current. : force. 



of bottom : force.. 



Xairi*- of vessel, 

 S(-r\ if-t." t»j which at t;i'-[i> (l . 

 Xante and rank of conitnanding officer, 



.Varne and position of ohserver. 



