Series Number Id: [GSGS 3389]. Sheet number: part of sheet 51. Edition number: . Cropped sheet. "Army situation map, 8 p.m., [time crossed out and overprinted with] 6-30 p.m., 9-4-17." German trenches and names red; British trenches to depth of 300 yards blue. Overprint includes: Reference to organisation and artillery. Includes typescript note from Brig.-Gen. H.H. Tudor, C.R.A. 9th Division, "To O.C. "Maps" 3rd : Army [Lt.-Col. H. Winterbotham RE]"., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC20; envelope_number: 645.