59° 58° 57° 56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 4«i° a^' 



/ fiV.VKHAK CHART IT-*. ' % '•" " " X'^^. - ''^ - '''[—T ill I — : 



59° 58° 57° " 56° 55° 54° 53° 52° 51° 50° 49° 48° 47 



FiiuRE 2— Ice conditions, January- February 1H50. Figures indicate day of month ice was sighted or reported 



46° 45° 44° 43° 



55984 O- 51 (Face p. 14) No. 1 



