Series Number Id: UNKNOWN. Sheet number: part of sheet 36. Edition number: 3. Fifth Army Intelligence map, Lille Front, October 1918. "[2nd] Fd. Survey Bn., R.E., M.1794 7-10-18 [numbers stroked out with blue overprint and followed with] M.1822, 15-10-18." Grey base with green squaring; overprint in blue and black. Covers front from Wytschaete in the north to Lens in the south. Very detailed "Reference" shows: visibility, rear organization, road movement, artillery activity (including gas), aircraft (flight paths), defences, raids, rail movement (trains on lines); enemy activity: movements, artillery, aircraft and demolitions., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC20; envelope_number: 635.