Sheet number: [Part of sheet 20]. In upper margin: P.3. "5th Field Survey Coy., R.E. (1355) 5-8-17". [Trenches to 5th August 1917]. Sheetlines at angle to grid north. Detail, grid and contours grey; German trenches and names red., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC17; envelope_number: 495