Scapa Flow defences map

Date: 1915 Reference: ADM 137/1074 f228 Creator: Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies Catalogue context: Grand Fleet: Bases: Scapa and Cromarty, January - June 1915 Categories: First World War Subjects: Armed Forces (General Administration); Conflict; Navy; Official publications; Operations, battles and campaigns Topics: Military and war Period: Early 20th Century Copyright information: Copyright clearance for publication is not required, except in the case of documents in third-party copyright. Usage terms: https://www.nationalarchives.gov.uk/documents/information-management/use-of-tna-materials.pdf