^- BERSS. 



O -GROWLERS. 



^- FIELD lO^. 



MAY 1^ TO JUNE 3, \^Z^. 



GENERAL CHART 

 cov cniNC 



ICE PATROL 

 GRAND BANKS 



ISOTHERMS BASED ON 12.00 

 TEMPERATURE REPORTS. 



FIGCRE 28.— Surface temperatures May 19 to June 3,M29. See remarks under Figure 25 



100277—30. (Face p. 131.) No. 4 



I 



