32° 34° 36° 



NORTH LATITUDE 



Figure 4. --Smoothed geopotential anomaly of the isobaric surfaces rel- 

 ative to the 1,000-db. surface along 160 W. longitude; Charles H. 

 Gilbert cruise 17, stations 1 -12, September-November 1954. Points 

 represent computed values. 



10 



