Note 2468 — THE CONFIGURATION OF THE COAST OF KENT IN THE TIME OF CAESAR
Reading edition
See Archaeol. Cant., viii, 1872, pp. 13-4. Boys, quoted by Roach Smith (Ant. of Richborough, &c., p. 53) remarks that, ‘in digging to lay the foundation of Richborough sluice, the workmen, after penetrating through what was once the bed of the river that runs close by ... came to a seashore that had been suddenly covered with silt.’