28 27 26 25 24 23 22 21 



100 



200 



300 



400 



if) 



UJ 



500 



x 



H 

 CL 

 Id 

 O 



600 



700 



800 



900 



1000 



J I 



20 19 18 17 



"^0~ 



22° 24° 26° 28° 30° 32° 34° 36° 38° 40° 



NORTH LATITUDE 



I60°W 



Figure 73. --Vertical sections of oxygen in milliliters per liter along 160 W. 

 longitude, stations 17-28. Points indicate observed values. 



71 



