59 58 



30' 



32 



34' 



36' 



38° 40° 42° 



NORTH LATITUDE 



44° 



46° 



48° 



50° 



Figure 121. --Vertical section of a thermosteric anomaly in centi- 

 liters per ton along 172 30'W. longitude; Hugh M. Smit h cruise 

 30 (NORPAC), stations 40-59, July-August 1955. Contour 

 interval 20 cl. /ton. Points indicate observed values. 



109 



