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 order to extinguish isolated combustion-related ...

which should enable the longwall system to operate in a highly efficient manner in the year's second half. "Looking ahead, the Core operations team has already initiated efforts to help ensure ...

As longwall mining becomes an increasing concern ... Meanwhile, in town, the water and sewer system lines are something else they’re looking out for with some mining being done near the edge ...

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 ...