Sheffield and South Yorkshire Navigation Act, 1889
WHEREAS under the provisions of the several Acts of Parliament specified in Part I. of the First Schedule to this Act the River Dun was made navigable from Tinsley in the parish of Sheffield in the west riding of the county of York to a place called Fishlock Ferry in the said west riding and the said river so made navigable (in this Act referred to as "the Dun Navigation") was vested in the company of proprietors of the navigation of the River Dun (in this Act called "the Dun Company");

And ...