65 miles south of Gillette, Wyoming
Dozer/casting, dragline, truck/shovel
North Antelope Rochelle Mine (NARM) opened in 1999, combining the North Antelope Mine (1983) and Rochelle Mine (1985). The mine has some 1.9 billion tons of provable and probable reserves.
NARM is the world’s largest coal mine with the cleanest coal in the United States. Coal quality averages approximately 8,800 BTU/lb.
NARM has a world-class mining and technology focus, integrating real-time planning and advanced blending to meet customized customer requirements.