Atlantic Carbon Group INC is a US based anthracite mining and processing company with its operational HQ at Stockton Mine, Ha ... zleton, Pennsylvania, USA. We are the leading US producer of high quality anthracite coal. Our focus of operations is on the North East Pennsylvanian Anthracite Coalfield, where we operate the Stockton, Hazleton Shaft Jeansville and Spring Mountain Mines together with three anthracite processing plants. read more