|Hold. | | |Diameter of cylinder. | | | | | Massachusetts, Rhode | | | | | | | | | | |Depth of | Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | Miles. | £ Eastern States, | | | | | | | | Jerseys, Pennsylvania, | | | |Number of | | including Maine, New | | |Diameter of cylinder. | | | Delaware, and Maryland | 3,503 | 27,952,500 | 2,020 | 7,979 | | including Virginia, the | | Per cent. | Per mile | per annum |of railway| run by | on | per annum |of railway| run by | on | per annum |of railway| run.