Oxbow Corp.'s Elk Creek Mine is currently operating at a fraction of its normal production rate as it continues to deal with a problem of spontaneous combustion that has temporarily stranded its ...

CANONSBURG, Pa. — Core Natural Resources has announce it has sealed up its Leer South mining operation for a second time after a mine fire broke out underground at the facility in Barbour County back ...

After being sealed in January due to a fire, officials have announced that the Leer South Mine in Barbour County has resumed ...

CANONSBURG, Pa., Dec. 18, 2025 /PRNewswire/ -- Today, Core Natural Resources, Inc. (NYSE: CNR) ("Core," the "company," "we" or "our") announced that it has resumed longwall operations at its Leer ...