The remaining life of the only large-scale, active gold mine in the Black Hills is estimated to be seven years, so its owner plans to drill 125 holes in search of more gold around the edges of a nearby mine that was closed for polluting water.
Wharf Resources notified state regulators in July that the company plans to conduct exploratory drilling near the Richmond Hill Mine, which was closed 26 years ago. The holes will be up to 800 feet in depth and must be plugged according to state regulations, which often involves the use of bentonite.
By state law, the South Dakota Department of Environment and Natural Resources can place restrictions on exploratory drilling but cannot reject exploratory drilling unless the operator is in violation of the state’s mineral exploration laws. Wharf is in good standing with the laws, so the DENR issued a restriction letter to Wharf on Aug. 16, and Wharf hopes to begin drilling soon.(continue..)
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