-rr^-i 



Vfe^^^-'^y^-^^^W'^^^^^ 



Ls 



jl- seros. 

 o -growlers. 



MfV-?IELO ICE. 



FEBRUARY 27- MARCH 1^, H30. 



GENERAL CHART 



COVERINO 



ICE PATROL 



SHOWING SEA-WATER TEMPERATURES AND VARIOUS CONDITIONS IN VICINITY 



GRAND BANKS 



ISOTHERMS BASED ON 

 780 TEMPERATURE REPORTS. 



FiatJRE 3.— Surface temperatures and other conditions. Febraary 27 to March 12, 1 



18732—31. (Face p. 4.) No. 2 



