CANADA: A Century of Iron

On a wintry March day in 1931, a resourceful prospector named Julian Cross was drilling through ice and water into the bed of northwestern Ontario's Steep Rock Lake. He was drilling by hand, working in temperatures that dipped as low as 60° below zero, convinced that there was iron ore somewhere in the lake bottom. In the late afternoon. Cross's drill broke. He stamped his half-frozen feet on the ice. swore heatedly and quit for the season. Thanks in part to that disheartening setback, Steep Rock Lake is today one of the world's...

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