)afc 



TunuCftS- Cor. + Uyrffc ^ f 7 pfctf 



JJoUoJti tcmpcrfUinY Z>S^j ^ 



JVb. 0/ thenmirbeter Cor. -f 0 . f 



Corrected Umvjwrature- 



Air Surface Drift 



Trawl or dredge ' ^ ^/ 



BOUNDING WIRE. 



;/ 



UP. 



/ 3, W 



O 

 -2 c 



turns. 



300 

 400 

 500 



boo 



700 



Boo 

 (yyo 



t too 



ISOO 



1300 



MOO 



J 500 

 |fKW 



1700 



I <J'J« I 

 aooo 

 2100 

 2200 

 2300 

 2400 



DREDGE RQPE, 



DOWN. 



DP, 



7 ,i 



4 



3 



■J 



