56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 



Figure 48. — Second cruise, 3 April to 17 April 1946, showing surface isotherms and track of patrol vessel. 



45° 44° 43° 



740743 O - 47 (Face p. 142) No. 2 



