An enormous shed sits on a ridge northeast of Calumet, Minnesota, along the state’s Iron Range , visible for miles to drivers ...

Minnesota’s first new mine in half a century is just weeks away from its expected opening on what may be one of the last great ore deposits on the Iron Range. The site, concealed beneath work vehicles ...

Add Yahoo as a preferred source to see more of our stories on Google. While many New Jerseyans think of the state’s history of mining as the cause of sinkholes that appeared on Route 80 last year, ...

A part of Interstate 80 in New Jersey passes near and over abandoned iron mines, remnants of a thriving ore-and-mineral industry that began before the American Revolution. By Dan Barry See more of our ...

The newly opened block holds reserves estimated at 141 thousand tons of iron ore with an average iron content exceeding 59%.

Add Yahoo as a preferred source to see more of our stories on Google. A geologist inspects iron ore rock on an open field mine site in Perth, Australia, in this undated stock image. | Somporn Suebhait ...

Mines in Michigan's Upper Peninsula, once leading mineral producers, are preserved for public tours. Visitors can book tours to explore the underground history in the Iron Mountain Iron Mine, Quincy ...

The Odisha government has issued show-cause notices to 65 mining leaseholders after inspections allegedly found large-scale ...

Many New Jerseyans think of the state’s old iron mines as the cause of recent sinkholes on Route 80. The mines were also key ...