1982-2013: 31 years since pumps stopped

Over 31 years ago economic factors led the Atlantic-Richfield Corporation, or ARCO, now a subsidiary of British Petroleum, to cease mining operations at the Berkeley Pit in Butte, Montana. Underground mining had come to an end seven years earlier, but the underground pumps had continued to operate, pumping groundwater out from the mines and the Berkeley Pit. The 1982 suspension […]

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1955-1982: Berkeley Pit history

Over the active lifespan of the Berkeley, approximately 320 million tons of ore and over 700 million tons of waste rock were mined from the Pit. Put another way, “The Richest Hill on Earth” produced enough copper to pave a four-lane highway four inches thick from Butte to Salt Lake City and 30 miles beyond. In 1955, mining in Butte […]

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The water level at the Berkeley Pit has been recorded every month for more than 23 years. In addition to that monitoring, scientists at the Montana Bureau of Mines and Geology have been sampling and analyzing water from the Berkeley Pit twice a year for its chemical composition and physical properties. In the Berkeley Pit, samples are taken from anywhere […]

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Watch Full Movie Be Afraid(2017), Free Download Full Movie Be Afraid (2017) Online , Be Afraid(2017) English Subtitles , Free Streaming Movie Be Afraid (2017). Watch movie online Be Afraid(2017) Free Online Streaming and Download HD Quality Quality: HDTitle : Be AfraidRelease : 2017-04-01.Language : English.Runtime : 99 min.Genre : Thriller, Science Fiction.Stars : Brian Krause, Kevin Grevioux, Louis Herthum, […]

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Could the Berkeley Pit ever overflow?

The Berkeley Pit will never overflow. In 1994 the EPA established the Critical Water Level (the maximum level the water will be allowed to reach) at 5,410 feet above sea level, which is one hundred feet below the rim. Water levels are regularly monitored at the Pit, in historic underground mines, and in wells surrounding the Pit. Failure to keep […]

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