57° 56° 55° 54° 53° 52° 



51° \^i 



0° . 49° 48° 47° 46° 45° 44° 43° 



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



FiorKE 24.— Sixth cruise, June 1 to 9, 1936, showing surface isotherms, ice conditions, and traclr of vessel. Numbers indicate day on which ice was sighted or reported. 



140346—38 (Face p. 24) No. 



