47° 46° 45° 44° 43° 



59° 58° 57° 56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 45° 



FifiVRE 9.— Firsl cruise, March 9 to 2?, 1939, showing surface isotherms, track of vessel, and ice conditions. (Numerals indicate day of month ice was sighted c 



44° 43° 



-■10 (Face p. 34) No. 1 



