800- 



NAUTICAL MILES. 



1 000 - 



H" I.' I I .1. '| ."I 1 I; I 'I - 



Port Karcourt 



CONGO RIVER 



Figure 321— Vertical distribution of oxygen (ml/liter) for Rockaway, phase IV; stations 276-282; 25-26 November 1968. 



326 



