Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors) > Humber Conservancy > Humber Conservancy Board: Arbitration and Litigation > The Owners of the s.s. "Tinto" Vs Charles Dobson, the Humber Conservancy Board, and the Lincolnshire Steam Trawlers Mutual Assurance Limited > "Tinto" and "Manobier Castle": Statement by Arthur Ernest Butterfield, Engineer to the Humber Conservancy Board