Antioch's Black Diamond Mines Regional Preserve offers visitors a unique opportunity to learn about California's rich mining history.

A mine just reopened in eastern Utah, but the industry has changed. In Emery County, for example, Wolverine’s Fossil Rock ...

The coal mines of the Tennessee Coal ... long-term exposure to poor air caused chronic lung diseases such as black lung. For convict laborers, conditions were even worse. Poor food rations ...

Last year, coal exports brought the country $5 billion in revenue ... Before Kemmerer, Green worked at Black Butte, another mine in southern Wyoming. He’d been making more money than he ever ...