 | The Bingham Canyon Mine is a copper mine in the Oquirrh mountains, Utah. The mine is 0.75 mile (1.2 km) deep, 2.5 miles (4 km) wide, and is the largest man-made excavation on earth. A landslide in 2013 was detected on seismic networks. |  |
 | The Mirny Diamond Mine is 525m deep and has a diameter of 1200m. It was the first, and one of the largest, diamond pipes in the USSR. It is now abandoned. While it was still operational, it would take two hours for trucks to drive from the top to the bottom of the mine. |  |
 | The Udachnaya Pipe is a diamond mine in Russia. In ceased open pit operations in 2010 in favor of underground mining. The mine was discovered in 1955 and is over 600 meters deep. |  |
 | The Kimberley Diamond Mine holds the disputed title of being the largest hand-dug hole in the world. From 1866 to 1914, 50,000 miners dug the hole with picks and shovels, yielding 2,722 kg of diamonds. |  |
Tuesday, August 2, 2016
Largest Man-Made holes on earth
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