Snow Geese Update

• It is estimated that many thousands of migrating snow geese stopped in the Berkeley Pit the week of November 28, 2016. The number of migrating geese that passed through this area and landed in the Berkeley Pit is unprecedented. Most geese left the pit on Tuesday November 29, 2016 and continued their migration south. • Unfortunately, some geese remained […]

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Geothermal Project Heats Up

The 10,000 miles of underground tunnels beneath Butte have filled with water since the closure of the Berkeley Pit and, in 1982, the shut-off of groundwater pumps that had dewatered the underground in the past. These waters are typically regarded as a liability, but a new project at Montana Tech is viewing the watery mines of Butte as a potential […]

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No More Chemocline

In the past, a chemocline was observed in the Berkeley Pit Lake. “Chemocline” refers to changes in the water chemistry at a certain depth. Pumping Pit water for copper extraction has caused the chemocline to disappear. For more on the chemocline and mining copper from Berkeley water, go HERE.

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