!Uh^^^^ I I I I I L^^ri^d^±±±± 



^- BERCS 



e -GROWLERS _ ^ 



^-FIELDICC. AAAY 4- 18, 1^2,^. 



GENERAU CHART 



COV E.R1NG 



ICE PATROL 

 GRAND BANKS 



ISOTHERMS BASED ON 1182. 

 TEMPERATURE REPORTS. 



Figure 27.— Surface temperatures May 4-15, isl See remarks under Figure 25 



100277—30. (Face p. 134.) No. 3 



