In pursuance of the powers thus granted, the Thames Commissioners of that day caused locks to be built at various points above Maidenhead, and between 1810 and 1815 the Corporation of London carried out river works on the same lines as far down the river as Teddington.
Maidenhead has trade in malt and grain.
They have also been found in Pleistocene gravels in several parts of England, as Maidenhead, Bromley, Freshfield near Bath, Barnwood near Gloucester, and in the brick-earth of the Thames valley at Crayford, Kent; while their remains also occur in Arctic America.
After passing Reading it bends northward to Henley (65), eastward past Great Marlow (57) to Bourne End (54), and southward to Taplow and Maidenhead (494), receiving the Loddon on the right near Shiplake above Henley.
Salmon are known to have existed at Maidenhead so recently as 1812, but they disappeared soon after that date.