来自MSN28 天
Africa's richest city with 12,000 millionaires and the world's deepest gold mine
Just southwest of Johannesburg sits the Mponeng gold mine - the deepest mine in the world. It reaches a jaw-dropping 2.2 miles (3.84 kilometres) below the Earth's surface, and plans are underway ...
Federal government approves 20-year mining ban in part of SD’s Black Hills
The federal government approved a 20-year ban Thursday on new mining-related activity in a portion of South Dakota’s Black ...
Argus Leader (Sioux Falls) on MSN9 天
Federal government approves 20-year mining ban in part of South Dakota’s Black Hills
The federal government approved a 20-year ban on new mining-related activity in a portion of South Dakota’s Black Hills. The ...
USA Today16 天
Federal government approves 20-year mining ban in part of SD’s Black Hills
The discovery set off a gold rush that ultimately led to the development of the Homestake Mine near Lead, which was the largest and deepest gold mine in North America prior to its closure in 2001.