3,939,325 24,267,488 Imports £6,739,130 £38,723,545 Exports £5,675,869 £32,367,000 Tonnage 520,704 3,535,451 Lighthouses, beacons, and lightships 7 373 Cost of | Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | | | Dewit Clinton| 230|28 |5·5 |21 |13·7|36 |1 |65 | 10 | -- | Rochester | 200|25 |3·75|23·5|10 |24 |1 |43 | 10 | -- |-- |1 |44 .