DISCUSSION. DESCRIPTION OF THE IMPROVEMENTS ON THE SECOND DIVISION OF THE RIVER LEA NAVIGATION, WITH REMARKS ON THE POSITION OF CANALS GENERALLY, IN REFERENCE TO THE DEVELOPMENT OF THEIR RESOURCES.

Keywords: RIVERS, IMPROVEMENT, CANALS, NAVIGATION, CILLS, SILLS, LOCKS, SLUICES, TRANSPORTATION, COAL, FOUNDATIONS, COFFERDAMS, EXCAVATIONS, RAILWAYS, TRADE, PORTS, WORKS, WATERWAYS, DOCKS, GATES, TRANSPORT, INFRASTRUCTURE, RIVER LEA, LONDON, UK