By Christopher Popp, shift supervisor, Enlow Fork mine, CNX Coal Resources; Jamie Wilson, lead shift maintenance foreman, Enlow Fork mine, CNX Coal Resources; and Andrew Yackuboskey, longwall section foreman, Enlow Fork mine, CNX Coal Resources

This presentation will expand on the concepts, factors, restrictions and other considerations in expanding the longwall face length from 1,500 ft t o 2,000 ft. Among other items, this presentation will answer why and cover: ventilation, development, production, equipment, maintenance and power requirements