Series Number Id: GSGS 2742; Sheet number: 62c NW; Edition number: 2b, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC09; envelope_number: 232, Manuscript on face: N of Maricourt - bearings to Briqueterie fence corner. Manuscript on reverse: J.L.P. Denny. 9/E. Surreys; [Denny later became Lord Mayor of London].