Tu nis ^ I < 

 Slmi~or lead 

 Bottom 



Hot t orn i t ;/ 1 /J/ 1 a t u / 'o 



MachittrC. 

 Cot\ . 



JiccL 



Depth 



of Tfi-ermomvittr C \^ / ^ _^or. 



Mr V a- . 



Surface 



Drift, 



Tytbfvl or tlrt^fTife or tan^ha 



SOUNDING WIRE. 





DREDGE BOPE. 



A tMiWN. 



r — 











r 





1 1 









IW 



1 



-si 





300 







> 



1 





300 

















^ - 



1 



f 





500 



600 







( 





Suu 





















ii)<j»j 











1 i <xj 











1 ^o<j 











1 jOO 











1400 











1500 











lAoo 











1700 











iHoo 











1900 











3000 











2100 











2200 





















a4<x» 















