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Cobalt (City of Ontario Canada)

a city of Ontario, Canada, in the Timiskaming district. It is on the Timiskaming and Northern Ontario railway and is the center of a rich mineral region, including mines of silver, nickel, bismuth, cobalt, copper, lead, and zinc.

These deposits were first discovered in 1903. The silver mines were especially rich and their discovery resulted in a rush to the locality by by a large number of people, and the rapid development of the mines. The town grew rapidly, but in 1912 a large part of it was destroyed by fire. It was, however, rebuilt. Pop. about 6,000.