U.S. TREASURY DEPARTMENT - 



BULLETIN No. 30 



. COASTGUARD 



INTERNATIONAL ICE OBSERVATION 

 AND ICE PATROL SERVICE IN THE 

 NORTH ATLANTIC OCEAN ■ P^gTo"'] 



BlOtOGlCAt \ 

 UVB0RAT0T5Y | 



VKOOOSHOU.Wii'--^ 

 W.H.O. t. 



