Underground development waste definition
Underground development waste means waste-rock mixtures of coal, shale, claystone, siltstone, sandstone, limestone, or related materials that are excavated, moved, and disposed of from underground workings in connection with underground mining activities.
Underground development waste means waste coal, shale, claystone, siltstone, sandstone, limestone, or similar materials that are extracted from underground workings in connection with underground mining activities.
Underground development waste means earthen materials excavated, moved, and disposed of from underground workings in connection with mining activities.
More Definitions of Underground development waste
Underground development waste means waste rock mixtures resulting from development of areas for underground mining activities.
Underground development waste means waste-rock mixtures of coal, shale, claystone, siltstone, sandstone, limestone, or related materials that are excavated, moved, and
Underground development waste means waste rock or related materials, including coal, that are excavated, moved, and disposed of from underground workings in connection with underground mining activities;