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BUTTE — A U.S. Forest Service official says the agency plans to repair an impermeable liner over a leach pad that contains cyanide and other heavy metals at an abandoned gold mine southwest of Fairmont Hot Springs.

Mary Beth Marks tells the Montana Standard that workers this summer will extend the liner at the former Beal Mountain Mine and connect it to a drainage ditch routed away from the area.

She says that will allow workers to catch up on treating water that made it past what was supposed to be the impermeable liner.

Pegasus Gold Corp., a Canadian company, extracted nearly 460,000 ounces of gold over a decade before closing the mine and declaring bankruptcy in 1998, leaving behind the 70-acre, cyanide-contaminated leach pond.

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