Looking west from Rampart Mountain over the Yankee Doodle Tailings Pond, located north of the Berkeley Pit, in 2007. North of the Berkeley Pit stands one of the largest earthen dams in the United States. The dam, constructed from waste rock mined out of the Berkeley Pit and, in more recent years, the Continental Pit, stands over 650 feet (200 […]

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Tailings covered to prevent blowing dust

Pitwatch Issue Volume 6, Number 2 The visibility of the recent blowing tailings events prompted numerous questions to the Committee. Although this topic is not directly related to Superfund and mine flooding issues, the Committee wanted to provide a brief update to readers. When Montana Resources was operating, blowing dust was not a concern because water from the concentrator and […]

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