48° 47° 



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



Figure 53. — Seventh cruise, lo June to 17 June 1946, showing surface isotherms and track of patrol vessel. 740743 o - 47 (Face p. 142) No. 7 



