RECORD OF DREDGING, 



TEMPERATURE AND DENSITY. 



Date, 



Time of dii\ . : of tide. 



Locality; 



Exact position;, 



I>ei>tii, 



Xatnieof bottom, 



Dredgiiij^ instiiniient nsed. 



Direction nf drift, : distance, 



Teinpeiatnre of aii , theun. No., 



(if surface water. 



at depth of fatboiiiij. 



at liOTtotii, 



Density at surface. temp., 

 ;iT a<-i>tii ut' I'at lioni.-. 

 \{X Itottom, 

 Number of salinonueter, 

 Barometer readin*f. 

 of >ky. 



Direction of witid. Una-. 

 Rain. 



Direction of (surface eunent. : force, 



of bottom " ; force. 



Name of vessel. 

 Service t<f which attached. 

 Name and rank of commanding ofticei . 



Name and jio-^ition of ob.^ervet . 



