Series Number Id: GSGS 2743. Sheet number: 62c. Edition number: 1. Fourth Army enemy's railways and enemy organisation map, 19 August 1918. At head of map: France, 1:40,000. "[5th] Field Survey Co. R.E. (3766) 9-6-18 [numbers crossed out and followed with blue overprint] (4170) 19-8-18." Grey detail and squaring. "Enemy Organisation Map" legend, in English and French, in blue overprint., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC22; envelope_number: 695.