The Cat ® Rock Straight System is a fully mechanized longwall system designed for continuous mining of flat and tabular deposits and reefs of hard rock minerals. The system combines the use of a hard ...

A coal mine located in southern West Virginia (USA) recently set another world record for daily low-seam coal production using a Cat ® automated longwall plow system. In a 24-hour period on April 10 ...

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 ...

Legally required water systems at Massey Energy's Upper Big Branch coal mine in West Virginia were not functioning properly before the April 5 explosion that killed 29 mineworkers, according to ...

Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...