Series Number Id: GSGS 3062; Sheet number: 28 SW2; Edition number: 3e, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC02; envelope_number: 42, Manuscript markings on face including British trenches in Peckham - Spanbroekmolen area [Battle of Messines?]; minor corrections to detail made 21st October 1916.