49° 48° 47° 46° 45° 44° 43° 



^49° 



59° 58° 57° 56° 55° 54° 53°'" 52° 51°" " 50° 49° 48° 47° 46° 45°" 44° 43° 



FIGURE 5.-^ SURFACE ISOTHERMS FOR THE PERIOD 16-31 MAY, 1952. NO ICE WAS 

 SIGHTED OR REPORTED WITHIN THE LIMITS OF THIS CHART DURING THE PERIOD. 



2CU173 () - 54 (Faic- p. 12) No. 5 



