U. S. TREASURY DEPARTMENT 

 COAST GUARD 



Bulletin No. 30 



INTERNATIONAL 



ICE OBSERVATION AND ICE PATROL 



SERVICE 



IN THE 



NORTH ATLANTIC OCEAN 



W. P. HAWLEY 



ED. H. SMITH 



C. A. BARNES 



FLOYD M. SOULE 



Season of 1940 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1941 



