The Berkeley Pit – Butte, America

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Class is in session every day of the week for your entire life.

Today we learned about the environmental mishaps of man in Butte.

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The mine was opened in 1955 and operated by the Anaconda Copper Mining Company, and later by the Atlantic Richfield Company (ARCO), until its closure on Earth Day in 1982. When the pit was closed, the water pumps in the nearby Kelley Mine, 3,800 feet below the surface, were turned off, and groundwater from the surrounding aquifers began to slowly fill the Berkeley Pit, rising at about the rate of one foot a month.

Learn more about the Berkeley Pit: Why 35,000 people visit a toxic pit in Montana every year

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