57° 56° 55° 54° 53° 52° 3° .^ ^ ^' 



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



FlODEE 7.— Ice conditions, June 1937. Figures indicate day of month ice was siglited or reported. 



46° 45° 44° 43° ...... 



81041—39 (Face p. 12) No. 6 



