jan 1, 1903 - Silver Mine
Description:
Silver is discovered in Cobalt, Ontario, along with cobalt and nickel. Ontario rapidly became one of the world's leading silver producing districts, yielding more than 18,000 metric tonnes of silver between 1903 and 1989, when the last mine closed.Added to timeline:
Date:
jan 1, 1903
Now
~ 122 years ago