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1 gen 1903 anni - Silver Mine

Descrizione:

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.

Aggiunto al nastro di tempo:

Relevant History

ByCindy Kilpatrick
7 feb 2020
1
0
1806

Data:

1 gen 1903 anni
Adesso
~ 122 years ago
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