The breaker was operated by the Blue Coal Corporation , a subsidiary of the Glen Alden Coal Company . The breaker was operated by the Blue Coal Corporation , a subsidiary of the Glen Alden Coal Coal Company .
Pemutus ini dikendalikan oleh Blue Coal Corporation, anak syarikat Syarikat Glen Alden Coal. Pemutus ini dikendalikan oleh Blue Coal Corporation, anak syarikat Glen Alden Coal Coal Company.