Series Number Id: GSGS 2742. Sheet number: 57c SW. Edition number: 5e. "Trenches revised from information received to 23-7-18." "Enemy organisation 23-7-18". "Field Survey Bn., (10715) 27-7-18." "Ordnance Survey, April 1918.", Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC25; envelope_number: 754., Detail and grid grey; contours brown; German trenches blue; enemy organisation red. Shows all old and new trenches on the Somme Battlefield and railways, track, dumps, huts, etc.
Series Number Id: GSGS 2742; Sheet number: 29 SW; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC04; envelope_number: 97, Manuscript markings on face showing Bde & Bn HOs etc for final advance; on reverse: 1/4 Ches[hire Regt], H. Warner (?) etc.
Series Number Id: GSGS 2742; Sheet number: 27 NW; Edition number: 2. O.S.O. 1915., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC05; envelope_number: 120, Manuscript on face relating to water supply.
Series Number Id: GSGS 2742; Sheet number: 51c SE; Edition number: 1 B series.
South - West of Arras; Ficheaux - Blaireville - Monchy-Au-Bois area; artillery map; revised system of squaring; detail & grid lines black, grid letter & numbers red, contours brown, water blue, roads sienna, woods green; average/good condition., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 262, Manuscript: German front line in red ink; brigade HQ west of Beaumetz & various lines /bearings in pencil.
Series Number Id: GSGS 2742; Sheet number: 51c SE; Edition number: 4A.
South West of Arras; Ficheaux - Blaireville - Monchy-Au-Bois area; trench map; the Germans retired from this line to the Hidenburg line in March 1917 ; British trenches to depth of 200 yards in blue; good condition., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 263, Manuscript on reverse: J.J. Lovatt RE [light railways].
Series Number Id: GSGS 2742; Sheet number: 51c NW; Edition number: First Edition B series.
West of Arras; Area to NE of Frevent; Artillery Map; detail and grid lines black; grid letters (cross-hatched) & numbers red; contours brown; water blue;woods green ; roads sienna; British back area 1916-18; no trenches shown; very good condition., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 195, Manuscript on cover: 2/Suffolk.
Series Number Id: GSGS 2742; Sheet number: 57dNE. Ed. 4A.
Trenches to 7th February 1917. OS February 1917. German trenches and names red; British trenches to depth of 300 yards blue. Situation after Battle of the Somme and before German retirement to Hindenburg Line. From Major J.C. Thomson MC (20th Siege Battery).
Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC##; envelope_number: ###