100 



200 



300 



400 



in 



5 500 



X 



I- 

 a. 



Ld 



a 

 600 



700 



800 



900 



1000 



59 58 56 55 53 52 50 49 47 



' i 1 1 i : ~r/3~ 



46 44 43 41 40 



S CM Sx^70 



38° 40° 42° 



NORTH LATITUDE 



Figure 1 37. - -Vertical section of dissolved oxygen in milliliters per 

 liter along 172°30'W. longitude; H ugh M. Smith cruise 30 (NORPAC), 

 stations 40-59, July-August 1955. Contour interval 0.5 ml. /I. 

 Points indicate observed values. 



125 



