The Haystack Mine is located in southwest Wyoming near the town of Evanston. Kiewit Mining Group broke ground on their newest coal mine in December of 2011. The mine is permitted to ship 1.5 million tons of high quality thermal coal per year.
Buckskin Mining Company is located 10 miles north of Gillette, Wyoming within the Southern Powder River Basin. The mine has a current capacity of 25 million tons per year and delivers its coal to numerous customers throughout the United States.