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SUBSEQUENT EVENTS: (Details) - $ / shares | Feb. 24, 2021 | Jan. 21, 2021 | Feb. 21, 2019
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Grupo Mexico and Americas Mining |  |  |
SUBSEQUENT EVENTS |  |  |
Dividends declared and paid |  |  | $ 0.44428
Subsequent Events |  |  |
SUBSEQUENT EVENTS |  |  |
Quarterly dividend authorized (in dollars per share) |  | $ 0.60 |
Dividends declared and paid | $ 0.60 |  |

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