although the vast majority of ore has come from more than a century of digging what was once the world’s largest open-pit mine. Today it employs more than 2,300 employees, including those from ...

“KSM is on a whole other scale of mining, one of the world’s largest open pit mines, if it’s ever built,” said Guy Archibald, SEITC's director. “Our tribes and communities are directly ...

The Bagger 293’s primary task is to work at the Hambach Surface Mine in Germany, one of the world’s largest open-pit coal ...

Before Red Dog mine zinc and germanium wind up in American products, they get refined in Canada, then sent back to the U.S.

The Great Lakes region contains nearly 85 percent of North America's surface freshwater, and more than 20 percent of the world's supply of ... Any new heavy-metals mines in northeastern Minnesota ...