59° 58° 5r 56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 45° 44' 



'l AifM GENERAL OHAHT « M. ^%.^ ij^^^^ " Q « » 



56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 



Figure 4. — Ice conditions, May 1949. Figures indicate day of month ice was sighted or reported. 



