Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | £ | | |Tonnage.| | |strokes.| | |bucket. ---------------+----+-----+----+--------+---+---+--------+----+----+-------- | ft.| ft. | ft.| ft. | ft.| ft.| ft.| ft.| ft.| ft.| ft.| ft.|ft.| .