The first open pit mine at Bisbee was the Sacramento pit comprising 35 acres. It began as a shaft in 1911 and six years later developed as an open pit.

While the demise of coal has been great for US emissions, the real driver is economics. Coal used to be the cheapest form of ...

An aerial view of the open pit mine denoting the route of the conveyors to the tailings and mill. Courtesy of Arizona Geological Survey Twin Buttes Mining Town circa 1909.

"Big Muskie"was a 27-million-pound Bucyrus-Erie 4250W that moved 483 million tons of earth for the Central Ohio Coal Company ...

A mining and processing business in California is replacing one coal plant but says another could stay online for many years.

LANSING — State Attorney General Dana Nessel and 10 environmental groups filed separate challenges to the Trump ...

Once nearly eradicated, the “old man’s disease” is back and suffocating younger miners. Federal cuts risk putting a solution further out of reach.

As relics of our industrial past go, the Crawick Multiverse is a pretty unusual one.Once an opencast coalmine in Upper ...

OAK GROVE, Ala.—A coal miner named Jose Antonio M. Lara died early Wednesday morning following a rock collapse inside the Oak Grove mine, a facility in Jefferson County, just southwest of ...

Snowline Gold has announced the results of a preliminary economic assessment (PEA) for the Valley gold deposit of its Rogue ...

State Attorney General Dana Nessel and 10 environmental groups filed separate challenges to the Trump administration's order ...