File 198 | 1939 B Confidential 'Dangerous Areas (suspected mines) in Humber reported by Flag Officer, Humber' - Hull History Centre Catalogue

Records of Humber Conservancy and the Humber Ports (Records deposited by Associated British Ports and its Predecessors) > Humber Conservancy > Secretary's Office: General Administration > Correspondence/Subject Files > File 198 | 1939 B Confidential 'Dangerous Areas (suspected mines) in Humber reported by Flag Officer, Humber'

File 198 | 1939 B Confidential 'Dangerous Areas (suspected mines) in Humber reported by Flag Officer, Humber'

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