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December 4, 2013

Mponeng mine, the deepest man-made hole on earth


Picture Manhattan Island sliced in half at the waist, and the top part set up on its end.
Mponeng mine would fill the grid between 59th Street and 110th Street, its tunnels and shafts exposed like a giant ant colony. The half-lit streets would tower into the sky before you, block upon block, to an altitude of almost three miles. You could stack ten empire State Buildings on top of each other in the distance from the bottom of the mine to the surface. This gargantuan warren devours as much electricity as a city of 400,000.... The mine's target is a thirty-inch-wide strip of ore. Considered against the immensity of the mine, as thin as a hair. Gold : NPR

Posted by gerardvanderleun at December 4, 2013 9:57 AM. This is an entry on the sideblog of American Digest: Check it out.

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