Figure 1.— The scene of the principal activities of tlie International Ice Patrol. Irregular siuded 

 region southeast of the Grand Banks is area within which the ice-patrol vessels cruised during 1930. 

 Tracks "A/' "B,"and"C" are routes.to and from the United States ports. Tracks "D," "E," y.nd 

 " F" are, routes to and from Canadian ports. For complete data relative to the North Atlantic lane 

 routes consult the special charts and publications of the United States Hydrographic Office and of 

 the British Admiralty 



