U. S. TREASURY DEPARTMENT 

 COAST GUARD 



Bulletin No. 31 



INTERNATIONAL 



ICE OBSERVATION AND ICE PATROL 



SERVICE 



IN THE 



NORTH ATLANTIC OCEAN 



FLOYD M. sm^—r^o'^^c^l Labofaioryl 



C. A. BARNES '•"•^!; 3.^;^.,^ p,-s^ ' 



APR 9 1^51 



\^OODS HOLE, MASS. 



CG- 188-2 



Season of 1941 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1930 



