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 s.s. 'Gwynwood' as a result of enemy action in the vicinity of Grimsby'