Description: Sheet 28SW2. Edn.4A. Area: Vierstraat - St. Eloi - Hollebeke - Wytschaete - l'Enfer - Oosttaverne - Spanbroekmolen - Garde-Dieu. German trench system in red, with names in blue. British trenches to depth of 200 yards in blue. Contours brown. MS coloured layer tints. Centre fold worn through.