Floor open quietly, and in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ Eastern States, | | | | | Jerseys, Pennsylvania, | | | | | |Depth of | | | Delaware, and Maryland | 3,503 | 27,952,500 | 2,020 | 7,979 | | | | | Hampshire, Vermont, | | | | |Depth of paddles. | | |Depth of | | |cylinder. | |Length. | |Length of | Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. .