Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 2a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 268, Many manuscript markings on face in pencil, apparently for artillery - OPs, targets etc - in area Albert - Thiepval - Ovillers - Contalmaison - Mametz Wood - La Boisselle; very worn in folds; some stains.
Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 2b, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC09; envelope_number: 241, Manuscript in black ink on face: German order of Battle - in area St. Pierre Division - Thiepval - Pozieres (Situation during Battle of the Somme - July 1916) - Regiments * Battalions - after capture of Ovillers, but before capture of Pozieres. Manuscript of face in blue & red crayon: boundaries & British front & new British trenches.
Series Number Id: GSGS 2742; Sheet number: 62d NE; Edition number: 2d (local), Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC15; envelope_number: 405, Manuscript markings in Morlancourt & Bresle - Ribemont - Buire area. Old pre-Somme (1916) British and German trenches shown in Fricourt - Mametz area, and French trenches further south. Rusty staple holes in top margin; right margin crumpled; worn fold & fold holes on W of sheet. Linen-backed; not printed on reverse.
Series Number Id: GSGS 2742. Sheet number: 36 NW. Edition number: 9a. "Trenches corrected to 26-6-18." "Note change of colour - German trenches blue"--shows all trenches in the Armentieres region, including old British System (captured by the Germans in April 1918). "Ordnance Survey, Aug, 1918.", Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC26; envelope_number: 766
Series Number Id: GSGS 2742; Sheet number: 36 NW; Edition number: 9a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC08; envelope_number: 203, Manuscript on face: markings for final advance - area south of Armentieres.
Series Number Id: GSGS 2742; Sheet number: 36 NW; Edition number: 6, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 176, Manuscript on face: British artillery positions and Ops north of Armentieres; Manuscript on reverse: Map IV.
Series Number Id: GSGS 2742; Sheet number: 51b NW; Edition number: 5a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 271, Manuscript on face: light railways in blue, orange & red inks in area Arras - eastwards to Fampoux; Battle of Arras; manuscript on reverse: J.J. Lovatt RE.
Series Number Id: GSGS 2742; Sheet number: 51b NW; Edition number: 5a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 270, Manuscript: artillery targets in Thelus - Farbus area (for Battle of Arras); other markings north of Arras & in La Targette area; From Major J. C. Thomson (20th Siege Battery).