59° 58' 57° 56° 55° 54° 53° 52° 51° "^—-50° 



Figure 41.— Eighth cruise, May 31 to June 15, 1938, showing surface isotherms, track of Patrol vessel, and i 



48° 47° 46° 45° 44° 



Figures indicate date that ice was sighted or reported. 



147169—40 (Face p. CO No. 



