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 mine-sweeping trawler 'Sea-king' in a position near Grimsby, 9 October 1940