59° 58° 57° 56° 55° 54° ^jy^^^52° 51° 50° 49° 48° 47° 46° 



58° 57° 56° 55° 54 



50° 49° 48° 47° 46° 45° 44° 43° 



Figure 52. — Sixth cruise, 29 May to 10 June 1946, showing surface isotherms and track of patrol vessel. 



740743 O - 47 (Face p. 142) No. 6 



