Tees Conservancy Act 1884
WHEREAS by the Tees Conservancy Acts 1852 to 1878 the Tees Conservancy Commissioners (in this Act called "the Commissioners") are constituted and incorporated and are invested with powers for the conservancy improvement and regulation of the River Tees and for the construction of works and the reclamation of lands and other purposes:

And whereas it is desirable to extend the limits of the powers of the Commissioners in order that they may more effectually prevent impediments to navigation by...