Get our free mobile appThe federal findings expand on what was known in the days after the death. The report lists Calloway as having about two years and eight months of total mining experience, and about eight and a half months at Blue Creek. Warrior Met celebrated the completion of the roughly $1 billion Blue Creek project with a ribbon-cutting in January. MSHA records list Blue Creek Mine No. 1 as an operation with 273 employees, with 254 of them working underground.