Series Number Id: GSGS 3062; Sheet number: 57d NE3 + 4 (Parts); Edition number: Provisional, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC02; envelope_number: 39, Manuscript: British front line from Hebuterne to south of Serre, and new German trenches; The southern part of the Gommecourt salient.
