Series Number Id: GSGS 2742; Sheet number: 51a SE; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC27; envelope_number: 801, Manuscript on face: pencil lines (boundaries?) running NE from S of Bermerain, & N of Sommaing.
Series Number Id: [GSGS 2742]; Sheet number: 51a SE; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC27; envelope_number: 802, Manuscript green crayon boundaries for British advance from SW, SW of Le Quesnoy.
Series Number Id: GSGS 2742; Sheet number: 51c SW; Edition number: First Edition B series.
Lucheux & area north of Doullens; Artillery Map; detail & grid lines black; grid letter (cross hatched) & numbers red; contours brown; water blue; woods green; roads sienna; British back area 1916-18; no trenches shown; very good., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC04; envelope_number: 110, Manuscript on cover: 2/Suffolk.
Series Number Id: GSGS 2742; Sheet number: 57b SW; Edition number: 3a.
South of Cambrai; trench map; German trenches - Hidenburg Line & Beaurevoir - Fonsomme line etc - shown in red; good condition., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC11; envelope_number: 301, Manuscript: various pen & pencil lines & bearings in south part of sheet.