Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors) > Humber Conservancy > Engineer's Office, Humber Conservancy Board > Humber Estuary and River Trent: Wreck Files > File [Wreck of the tug 'Wilberforce' near St Andrew's Dock, Hull, on 21st July 1948]