UNITED STATES COAST GUARD 



ADDRESS REPLY TO: 



COMMANDANT 

 U. S. COAST GUARD 

 HEADQUARTERS 

 WASHINGTON 25, D. C. 



11 April 1957. 



Transmitted herewith is Bulletin No. 42, International Ice Observation and 

 Ice Patrol Service in the North Atlantic Ocean, Season of 1956. 



A. C. Richmond, 



Vice Admiral, U. S. Coast Guard, 



Commandant. 



Dist. (SDL No. 64) 



A: a aa b c d e f (LAUREL, COWSLIP, EVERGREEN, CACTUS only) 



i (1) 

 B: e (5); b c (2) ; d g 1 m (1) 

 C: a b (1) 

 D: h (10); c e (1) 

 E: d (35) 

 List 133 



(iii) 



