The Wilberg Mine (also known as the Cottonwood/Wilberg Mine; MSHA ID No. 42-00080) is a coal mine in Emery County, Utah, approximately 12 miles (19 km) northwest of Orangeville, just north of State Route 29, at the northern terminus of State Route 57. The mine is operated by the Energy West Mining Company (out of Huntington) and owned by PacifiCorp Energy (a division of power utility company PacifiCorp).
Most of the coal is shipped by truck to Hunter Power Plant, a coal-fired power plant owned by PacifiCorp's Rocky Mountain Power division, just south of the town of Castle Dale.