10- As it became necessary to depend on foreign ores, the U. S. companies moved quickly and courageously to bring foreign mines into production. Millions of dollars have been spent for this purpose, with the result that no overall shortage of iron ore is in prospect. Much of the ore was necessarily found in remote locations, and development costs required the commitment of very substantial investments. The point of concern is that 70$ of last year's imports come from countries whose political stability is subject to question. Only the 30% provided by Canada is reasonably secure, but the balance come from Africa and from South American countries, principally Venezuela, Peru, Chile,