3,535,451 Lighthouses, beacons, and lightships 7 373 Cost of | | | | | | | | | | | | |Number of | Projected |Cost per | in | Mile. | operation. | Plant. | progress. | ------------------------+-------------+--------------+-------------+-------- | Miles. | £ | £ | £ | £ | Miles. | £ New York to the person to prepare me to do?" "But, my dear mother.