Core Natural Resources Announces Resumption of Longwall Mining at Leer South
PR Newswire —
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 South metallurgical mine in Barbour County, West Virginia. The longwall system had been idle...