THE MAINTENANCE OF WATERWAYS TO HARBOURS AND DOCKS. (INCLUDES APPENDIX).

Keywords: UK, BRISTOL CHANNEL, WALES, MAINTENANCE, WATERWAYS, HARBOURS, DOCKS, SILTATION, METHODS, DREDGING, SHIPS, DREDGERS, ORGANISATION, MANAGEMENT, CHANNELS, WORKING, SILT, ACCUMULATION, DESTRUCTION, PROTECTION, EFFECT, LITTORAL, DRIFT, ARTIFICIAL, BARRIERS, TIDES, FORCES, INTERFERENCE, SEA, ACTION, EROSION, CONSTRUCTION, WORKS, INTERCEPTING, PORTS, SAND, PUMPS, DRAG, SUCTION, LADDERS, BUCKETS, DIPPERS, SPOON, GRABS, LOADING, HOPPERS, SOUNDINGS, MODERNISATION, CENTRALISATION, PLANT