U. S. TREASURY DEPARTMENT 

 COAST GUARD 



Bulletin No. 43 



INTERNATIONAL 



ICE OBSERVATION AND ICE PATROL 



SERVICE 



IN THE 



NORTH ATLANTIC OCEAN 



R. P. DINSMORE 



R. M. MORSE 

 FLOYD M. SOULE 



CG-188-12 



Season of 1957 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1958 



