Bunker Hill Mining – Bunker Hill Mining
From 1927 to 1981 the Bunker Hill Mine produced 35 million tons of ore in concentrates, included a total of 165 Moz of Silver. Closed in 1981 due to the coincident effect of low base metal prices and the need to invest significant capital in the upgrade of its processing and smelting operations to meet new environmental regulations, it has remained on care and maintenance ever since.
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