Regular Series 1:20k (Chasseaud Collection)
Pages
-
- [Ypres Salient]
- Series Number Id: GSGS 2742. Sheet number: 28 NW. Edition number: 4b. "Trenches corrected to 28-1-17." "Ordnance Survey, March 1917.", Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC25; envelope_number: 752, Manuscript on face: blue and red crayon in Poperinghe - Elverdinghe - Valmertinghe area. Pencil-marked numbers NE of Poperinghe. Manuscript on cover: A.B.M.
-
- [Yser River Region, Belgium : 3rd Battle of Ypres]
- Series Number Id: GSGS 2742; Sheet number: 20 SW; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 190
-
- [Yser River Region, Belgium : 3rd Battle of Ypres]
- Series Number Id: GSGS 2742; Sheet number: 20 SW; Edition number: 4a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 192
-
- [Yser River Region, Belgium : 3rd Battle of Ypres]
- Series Number Id: GSGS 2742; Sheet number: 20 SW; Edition number: 5a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 193
-
- [Yser River Region, Belgium : 3rd Battle of Ypres]
- Series Number Id: GSGS 2742; Sheet number: 20 SW; Edition number: 4a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 191