59' ^^X. ^^° ^^° ^ ^ 



GENERAL CHART 



ICE PATROL AREA 

 GRAND HANKS 



52° 51° 50° 49° 



46° 45° 44° 43° 



59° 58° 57° 56° 55° 54° 53° 52° 51° 50° 



FiouEE 30— Sixth cruise, April 20 to May 9, 1937, showing surface isotherms, track of vessel, and ice condit 



48° 47° 46° 45'' 44° 43° 



Figures Indicate date that ice was sighted or reported. 



81041—39 (Face p. 42) No. 6 



