There is scarcely a county in England in which its remains have not been found in alluvial gravel or in caverns, and numbers of its teeth are dredged in the North Sea.
A major beach recharge project was completed in 1987, using shingle dredged from the seabed off the Isle of Wight.
The lake, made in 1928 and dredged for the first time in 1984, is well-stocked with carp and golden rudd.
Two long jetties or breakwaters have now been constructed, about 350 acres of harbour area have been dredged to a depth of 30 ft., and two wharves of steel and concrete, one 600 ft.
At present, the dredged sediments are disposed of outside the harbor, thus losing valuable mud from its ecosystem.