But 40 years of satellite photos of the mine raise a question ... a century of digging what was once the world’s largest open-pit mine. Today it employs more than 2,300 employees, including ...

(Photo: Riley Bunch, The Idaho Press-Tribune ... But there are about 80 miles of river with good salmon habitat below the abandoned open pit that could be put at risk with new mining, part of ...

This drilling is the first step in assessing the potential of a near-term open pit operation that would provide an incremental approach to move towards a larger operation to mine the existing open ...

The company is revising its plan, including whether to scale back the potential size of the open pit mine, which would produce steelmaking coal. There have been other proposed coal mines in ...

In a move that has sparked debate over economic potential and environmental risks, President Rodrigo Chaves announced Wednesday that his government plans to re-legalize open-pit mining. The practice, ...