Series Number Id: GSGS 2742; Sheet number: 28 NW + 28 NE (composite); Edition number: 6d local + 10a local, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC08; envelope_number: 218, Manuscript on face: light railways in green and red running far to the east of Passchendaele to Moorslede, Dadizeele and Ledeghem.