72 70 69 67 66 64 63 



60 59 



28° 30° 32° 



NORTH LATITUDE 



38° 



Figure 99. --Vertical section of inorganic phosphate in microgram- 

 atoms per liter along 159 W. longitude, Hugh M. Smith cruise 27, 

 stations 59-72, January-February 1955. Contour interval 0.2 ug 

 at. (I. 



87 



