f O^^yK cTTU *. Date 



litittoiu tt'.rn pr.rtt.lure 



:4 



{Machine, Heel. '/'? ■ 



t ' 



Depth 10*4/tyk4> 



jYo. of thermometer 

 Corrvctcd UinfwnUtt ft 



Air Surface 



Tntwl or drudge 



SOUNDING WIRE. 



Ma 



3 r.;\ 



/L 



A-'* to 



1 ■URNS. 



O 

 TOO 

 200 

 30O 

 400 



5 no 

 6op 

 700 

 Moo 

 900 

 1000 



1 !<*> 

 1200 

 IJOO 

 1400 



1700 

 1800 



uyxj 

 2000 

 aroo 

 3 300 

 3300 

 2400 



Cor. -O 



DREDGE ROPE 



DOWN. 



i 



vv. 



1 



->4 



