Skyline is an underground coal mining operation owned and operated by Canyon Oregon Fuel Company, LLC, a subsidiary of Wolverine Fuels, LLC (“Wolverine”). Skyline is located in Carbon County, Utah, approximately 8 kilometers southwest of Scofield, and approximately 50 kilometers northwest of Price. The Skyline mine lies at a high elevation in the northern end of the Wasatch Plateau coalfield.

Skyline has longwall and continuous mineral reserves where it produces high-BTU (British Thermal Unit), low-sulfur, compliance thermal coal. Skyline began production in 1981.