307 



310 



313 



5°S 



10' 



15' 



20° 



1 1 1 1 1 I 1 11 1 

 Port Harcourt 



313' CAPE LOPEZ 



Pointe Noire 

 CONGO RIVER - 



5°E 



Figure 340— Vertical distribution of inorganic phosphate ( fxg-at./liter) for Rockaway, phase IV; stations 307-313; 



28-29 November 1968 



345 



