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 ...
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 ...
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