| 8,253,130 | 1,283 | 3,919 | | | | | | | |Depth of | Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | | |Number of | | Southern States, | | | | | | | | | |Draught. | | | | | Ohio, Michigan, Indiana,| | | | | | |Depth of | .