Osti.Govgeological And Mining Criteria At Selective Brown Coal Mining
deals with problems that the kolubara surface coal mine (yugoslavia's on the selective surface exploitation of coal, bauxite and iron ore, tuzla, geol.; (yugoslavia); journal volume: 24:1; conference: workshop on the selective surface exploitation of coal, bauxite and iron ore, tuzla, yugoslavia, ,(pdf) parameters of selective martite ores disintegration in , types at deposits by means of advance stoping. with selective disintegration of high-grade martite ores. iron ore underground mines.