PHILIPPI, W.Va. (WBOY) — Six months after it was sealed off due to a fire, the Leer South Mine in Barbour County was reopened this month, but soon after was re-sealed due to high carbon monoxide ...

On June 30, 2025, Core Natural Resources announced updates on efforts to resume longwall operations at its Leer South mine following a combustion-related event in January. The company re-entered ...

Q2 2025 Management View CEO Paul A. Lang reported that "Core again demonstrated its significant cash-generating capabilities even while navigating a softer market environment as well as with the ...

CANONSBURG, Pa., Jan. 16, 2025 /PRNewswire/ -- Core Natural Resources, Inc. (NYSE: CNR) today announced that it was taking steps to temporarily seal the Leer South mine's active longwall panel in ...

Today, Core Natural Resources, Inc. (NYSE: CNR) ("Core" or the "company") reported a net loss of $36.6 million, or $0.70 per diluted share, in the second quarter of 2025. Core reported adjusted ...

The company operates several mines including the Pennsylvania Mining Complex, Leer, Leer South, and West Elk. 3rd party Ad. Not an offer or recommendation by Investing.com.

A mine shutdown is a concerning event, so even with that guidance remaining unchanged the situation at Leer South could be better (to put it gently). I'm not so sure I'd be racing to buy Core ...

The Leer South Mine in Barbour County, West Virginia, which produces high-quality metallurgical coal, was sealed for the second time this year Monday, this time because of high carbon monoxide levels.

Core provided an update on its longwall operations at the Leer South mine in West Virginia. For those unfamiliar, longwall mining is a modern extraction method in which a long face of coal is ...

CANONSBURG - Core Natural Resources, Inc. (NYSE:CNR), a $3.57 billion mining company with a "GOOD" financial health rating according to InvestingPro, announced today it has temporarily resealed a ...