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How cobalt has a small Ontario town dreaming of boom times once again

A small northern Ontario town may soon become extremely important to the increasingly battery-powered world. Abandoned silver mines in Cobalt, Ont., could mean a boom for the once-thriving mining town as battery demand prompts a cobalt rush.
A small northern Ontario town may soon become extremely important to the increasingly battery-powered world. Abandoned silver mines in Cobalt, Ont., could mean a boom for the once-thriving mining town as battery demand prompts a cobalt rush. 4:16