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Deepest Open-Pit Mine In The World - The Bingham Canyon Mine

Updated March 19, 2019
No pit is deeper than the Bingham Canyon Mine, also known as the Kennecott Copper Mine, in Utah, USA.
The Bingham Canyon Mine was opened in 1906 and has been in production ever since. The copper mine is an open-pit mine, which means it consists of an open hole in the ground instead of underground tunnels. With 1.2 km (0.7 mi) to the bottom, Bingham Canyon Mine is the deepest open-pit mine in the world.[1]
The open-pit mine got a bit shallower in 2013 when 65-70 million m3 (2.3-2.5 billion ft3) of soil and rocks came loose from one side of the mine and slid to the bottom - the largest non-volcanic landslide ever recorded in North America.[2] Thanks to warning signals from a safety system, no one was injured.[2] The two photos below show Bingham Canyon Mine before and after the slide.
References
[1]
"Guinness World Records 2016". Published 2015. Retrieved March 19, 2019.
[2]
"Sizing up the Landslide at Bingham Canyon Mine". NASA Earth Observatory. Published June 14, 2013. Retrieved March 19, 2019.
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