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Keywords:
DREDGING,
APPLIANCES,
MACHINERY,
APPARATUS,
DREDGERS,
RIVERS,
HARBOURS,
BARS,
EXCAVATIONS,
SAND,
PUMPS,
GRABS,
BUCKETS,
LADDERS,
DOCKS,
STEEL,
SHIPS,
HOPPERS,
COSTS,
CHAINS,
CRANES,
STEAM,
IMPROVEMENT,
DEEPENING,
FOUNDATIONS,
SINKING,
CYLINDERS,
CENTRIFUGAL,
CANALS,
WATERWAYS,
EXCAVATORS,
PLANT
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© Thomas Telford and ICE
1887
