From Business: Spring Creek Mine is a coal mine located in Decker, Mont. It excavates the Anderson-Dietz seam, which is spread over an area of more than 6,500 acres. The company has a permit…

From Business: Decker Coal Company, located in the coal-rich northern Powder River Basin, Mont., is managed by Kiewit Mining Group, a subsidiary of Kiewit Corporation. Established in 1970,…