The Thames Navigation Act 1866
WHEREAS the Preservation and Improvement of the Stream Bed and Banks of the upper Part of the Thames is an Object of great local and public Importance: And whereas by the Acts described in the First Schedule to this Act (to which Acts the Expression "the Upper Navigation Acts" where used in this Act refers, and which Acts, or some of them, are severally referred to in this Act by the respective short Descriptions in the same Schedule contained) certain Powers for the Maintenance and Improveme...