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 ...
Core Natural Resources ( (CNR)) has provided an update. On December 18, 2025, Core Natural Resources announced it had resumed longwall mining at its Leer South metallurgical coal mine in West Virginia ...