Regular Series 1:20k (Chasseaud Collection)

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: [Saint-Quentin Canal Region]; Series Number Id: GSGS 2742; Sheet number: 62b NW; Edition number: 1, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC09; envelope_number: 230

: [Saint-Quentin Canal, Canal de l'Oise à la Sambre, south of Saint-Quentin : front line area]; Series Number Id: GSGS 2742; Sheet number: 66c SW; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC24; envelope_number: 737, OS February 1918. Trenches to 5 January 1918.

: [Saint-Quentin Canal, Canal de l'Oise à la Sambre, south of Saint-Quentin]; Series Number Id: GSGS 2742; Sheet number: 66c NW; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 277, Manuscript on face: Microphone base of "O" Sound Ranging Section on 15th February 1918; HW at Jussy (5 microphones on straight base).

: [Saint-Quentin Canal, Canal de l'Oise à la Sambre, south of Saint-Quentin]; Series Number Id: GSGS 2742; Sheet number: 66c NW; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC09; envelope_number: 243

: [Saint-Quentin Region 1918]; Series Number Id: GSGS 2742; Sheet number: 62b SW; Edition number: 4a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC09; envelope_number: 244, Manuscript artillery markings in coloured crayons on face (west of Saint-Quentin), for final advance.

: [Schilde, Grobbendonck, north of Ypres]; Series Number Id: GSGS 2742; Sheet number: 16 NW; Edition number: 1. Ordnance Survey, 1916., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC08; envelope_number: 207

: [Somme River Region : area of old front lines before 1-17-16 & during Somme Battle 1916]; Series Number Id: GSGS 2742; Sheet number: 62c SW; Edition number: 4b, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC28; envelope_number: 816, Trenches to 11th March 1918. Base map OS(OB) August 1918. Note change of colour -- enemy trenches in blue, British trenches in red. [All trenches on this sheet in blue]. O/p purple: [5th] FSC 3796 21-6-18. Map showing British organisation on March 21st 1918, o/p green; German organisation to 26-7-18 coloured green.

: [Somme River, Luce River, south of Albert : Battle of Amiens 1918]; Series Number Id: GSGS 2742; Sheet number: 62d SE; Edition number: 3c (local), Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC28; envelope_number: 818, OS(OB) July 1918. Trenches to 31 July 1918, o/p blue [5th] FSB 4122 3-8-18.

: [St. Omer Region]; Series Number Id: GSGS 2742; Sheet number: 27a SE; Edition number: 1, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC06; envelope_number: 27

: [St. Omer Region]; Series Number Id: GSGS 2742; Sheet number: 27a SE; Edition number: 1, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC04; envelope_number: 95

: [St. Venant, Hinges Region, west of Aubers Ridge : Battle of the Lys 1918]; Series Number Id: GSGS 2742; Sheet number: 36a SE; Edition number: 8a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 280, Manuscript on cover: 2/Lt J.W. Penniman [? 250th Tunneling Coy RE?]. MS on face: various marking relating to British advance - boundaries, crater, pillbox, with map refs.

: [St. Venant, Hinges Region, west of Aubers Ridge : Battle of the Lys 1918]; Series Number Id: GSGS 2742; Sheet number: 36a SE; Edition number: 8a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 279

: [St. Venant, Hinges Region, west of Aubers Ridge]; Series Number Id: GSGS 2742; Sheet number: 36a SE; Edition number: 6, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC04; envelope_number: 85

: [St. Venant, Hinges Region, west of Aubers Ridge]; Series Number Id: GSGS 2742; Sheet number: 36a SE; Edition number: 1 B, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC04; envelope_number: 99, Manuscript on reverse: JCN. C. Coy.

: [Tourcoing, Roubaix, Pecq : final advance 1918]; Series Number Id: GSGS 2742; Sheet number: 37 NW; Edition number: 3a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC05; envelope_number: 136

: [Tournai, Antoing : artillery map, final advance 1918]; Series Number Id: GSGS 2742; Sheet number: 37 SW 37 SE 44 NE (parts of ); Edition number:, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC26; envelope_number: 771, Manuscript on face: artillery arc & centre line & pivot gun position - unique flighting map for 1918 final advance.

: [Tournai, Cysoing Region]; Series Number Id: GSGS 2742; Sheet number: 37 SW; Edition number: 2, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 173

: [Tournai, Cysoing Region]; Series Number Id: GSGS 2742; Sheet number: 37 SW; Edition number: 3, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 170

: [Valenciennes Region : final advance 1918]; Series Number Id: GSGS 2742; Sheet number: 51a NE; Edition number: 3, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC07; envelope_number: 174, Manuscript markings in Thiant - Maing area in red & blue crayon (artillery barrage?); Manuscript on reverse: O/c 1st A[rgyle] & S[utherland] H[ighlande]rs.

: [Vimy Ridge, north : Battle of Arras]; Series Number Id: GSGS 2742; Sheet number: 36c SW; Edition number: 9a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC08; envelope_number: 201, Manuscript on face: markings for advance south Lens; Stamp on reverse: 12th Canadian Infantry Brigade - April 22nd 1917; Repaired; some stains and holes.

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