22° 



24° 



26° 



28 



30" 32° 34° 36° 

 NORTH LATITUDE 



Figure 43. --Vertical section of inorganic phosphate in microgram- 



o 

 atoms per liter along 160 W. longitude; Charles H. Gilbert cruise 



17, stations 3-12, September-November 1954. Contour interval 



0. 2 ug at. /I. 



46 



