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 | | | Western States, | | Southern States, | | |Depth of | | | | | | |Diameter of cylinder. | | | | | | | | Receipts | 4,05 .