Tunnels shown are: Barwick's Caves, Oil Mill Upper Cave, Oil Mill Caves, Lagoon and Beaufoy's Caves and Tower Hamlets Tunnel, Union Road Tunnel, Winchelsea Caves, Trevanion to Atholl Terrace Caves and Christ Church Tunnel. The drawing is diagrammatic only and does not constitute a survey and dimensions shown are approximate only.
Copyright Crown Copyright. Historic England Archive
People & Organisations
Creator of Archive: Ministry Of Works
Tunnel, Tunnel Chamber, Underground Military Headquarters