Special Sheets 1:20k (Chasseaud Collection)

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Area of Martinpuich
Area of Martinpuich
Series Number Id: GSGS 3236. Sheet number: Part of Sheets 57d SE & 57c SW. Edition B. Battle of the Somme. "Ordnance Survey, 1916." "Trenches corrected to 24-7-16." Shows all the original German trench system before 1st July 1916, plus new trenches dug after the battle began. Detail, grid and contours grey. All trenches red (including those occupied by British). Title printed on reverse., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 376.
Area of Martinpuich
Area of Martinpuich
Series Number Id: GSGS 3236. Sheet number: parts of sheets 57d SE & 57c SW. [Edition A]. Battle of the Somme. "Ordnance Survey, 1916." "Trenches corrected to 6-7-16." Shows all the original German trench system before 1st July 1916, plus new trenches dug after the battle began. Detail, grid and contours grey. All trenches red (including those occupied by British). Title printed on reverse. Manuscript on reverse: V.E. Cotton Capt., D.O.T.M. 53rd Divn. 26-7-16., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 375.
Auxi-le-Chateau, training map
Auxi-le-Chateau, training map
Series Number Id: GSGS 3313. Sheet number: part of sheet 57. Training area for Somme Battle. "Ordnance Survey 1916." "Enlarged [and redrawn] from 1:80,000". Area northwest of Doullens. Detail and grid (cross-hatched caps) black; contours brown; water blue. The same size as a regular series sheet. Early 1916 printing. Manuscript on face: various battalion and brigade markings for training exercises., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 373.
Avion
Avion
Series Number Id: GSGS 3459. Sheet number: 36c SW1. "Ordnance Survey, March, 1917." Vimy Ridge and area to north (Lens) and east. Detail, grid and contours grey. No trenches shown. Background for artillery target/positions and situation overprints., WW1 Trench Map Collection: Box PC18, Envelope 547.
Fauquissart
Fauquissart
Series Number Id: GSGS 2769a. Sheet number: 36 SW1. Fauquissart trench map (after Neuve Chapelle Battle), early 1915 - inverted sheet. Showing the situation at the end of the Battle of Neuve Chapelle. Detail, grid and target numbers within circles black; German trenches, wire etc red; British front line pecked black. "Index to Numbers on 1:5000 Map" within neatline bottom right. Scale of yards in margin. "O.S.O., 1915.", Manuscript in margin: 2nd Lt. Hew A Greig, 2nd Queens. WW1 Trench Map Collection: Box PC18, Envelope 55.
Fifth Army (A) : [Gommecourt, Puisieux-au-Mont, Grandcourt]
Fifth Army (A) : [Gommecourt, Puisieux-au-Mont, Grandcourt]
Series Number Id: GSGS 3399. Sheet number: part of sheet 57. End of Somme Battle. Detail, grid and contours black. German trenches and names red; British front line pecked red. This shows the trenches in the Serre area at the time Wilfred Owen was there. On verso: Town [plan] of Hazebrouck, Scale 1:5,000 in black (Fifth Army moved to Flanders in June 1917)., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC19; envelope_number: 604.
Gorre
Gorre
Series Number Id: UNKNOWN. Sheet number: part of sheet 36. Festubert - Loos Area, trench map, February 1918 : artillery markings. "Trenches corrected to 6-2-18." "[1st] Field Survey Co., R.E. 5802." British trenches, other defences and trench names blue; German trenches and trench names red. Used by Major J.C. Thomson, RGA (OC 20th Siege Battery - 8-inch howitzers)., Manuscript pencil: British front line after German offensive in April, and British 4-gun/how battery position and blue pencil route markings west of Vaudricourt. OP (?) positions near Gorre, Beuvry, Verquigneul, Labourse, Bracquement., WW1 Trench Map Collection: Box PC21, Envelope 666.
Gouzeaucourt
Gouzeaucourt
Series Number Id: UNKNOWN. Sheet number: part of sheet 57c NE, SE and 57b NW, SW. Edition number: 2B. "Special sheet." Trench map; the situation before the Battle of Cambrain (November 1917). "Detail and trenches revised to 5-10-17" in red [German trenches and British front and support trenches]. "Approximate British Front Line, 14-10-17" in black. Manuscript on reverse: 2/Lt Simpson [KRRC]., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC18; envelope_number: 566.
Guillemont
Guillemont
Series Number Id: GSGS 3279. Sheet number: parts of sheets 57c SW & 62c NW. Tank map, used at Battle of Flers 15 September 1916. "Trenches corrected to 5-8-16." "Ordnance Survey, 1916." Detail, grid and contours grey. All trenches red (including those occupied by British). Title printed on reverse. Manuscript on face: many trench and road names, new trenches, and details of sunken road and cutting depths, road going conditions and other details specially reconnoitred for tanks. Manuscript on reverse: Major J. Best, M.G.C. The Tank Corps was at first known, for security reasons, as the Heavy Branch, Machine Gun Corps., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 379.
Guillemont
Guillemont
Series Number Id: GSGS 3279. Sheet number: parts of sheets 57c SW & 62c NW. Battle of the Somme. "Trenches corrected to 5-8-16." "Ordnance Survey, 1916." Detail, grid and contours grey. All trenches red (including those occupied by British). Title printed on reverse. Manuscript on reverse: 'Signals'., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 377.
Guillemont
Guillemont
Series Number Id: GSGS 3279. Sheet number: parts of sheets 57c SW & 62c NW. "Trenches corrected to 5-8-16." "Ordnance Survey, 1916." Detail, grid and contours grey. All trenches red (including those occupied by British). Title printed on reverse. Manuscript markings in Guillemont area. Used by 2/Lt Simpson, KRRC., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 378.
Hautecloque
Hautecloque
Series Number Id: UNKNOWN. Sheet number: [parts of 36b(44b) SW, 44c SE, 51c NW, 51d NE]. "3rd Field Survey Co. R.E. (1254)". Third Army rear area between St. Pol and Frevent. Artillery map, specially surveyed by 3rd Field Survey Company RE and printed for Third Army Artillery School. Detail and grid black; contours brown. Shows trig points, two survey pickets, and a Trig Tree SW of Moncheaux., WW1 Trench Map Collection: Box PC18, Envelope 548.
Hendecourt
Hendecourt
Series Number Id: UNKNOWN. Sheet number: parts of 51b SW, SE & 57c NW, NE. Edition: 5. Trench map. "Special sheet." "Detail and trenches revised to 25-9-17" in red. "New work to 12-11-17 shown in green". "Field Survey Co., (10064)". "Approximate British Front Line 25-9-17" in black. Detail, grid and contours grey. "Printed by an Advanced Section A.P.&S.S.", WW1 Trench Map Collection: Box PC23, Envelope 718.
Lens Canal
Lens Canal
Series Number Id: UNKNOWN. Sheet number: Part of Sheet 36. Edition number: 3. Loos-Lens Area; layered trench map, 1917. "Trenches corrected to 2-10-17". "Field Survey Co., R.E. 5101." "Printed by No. 6 Advanced Section A.P.& S.S." Detail, grid and contours grey; 2 green and 4 brown layer tints. Red stamps in margin: No. 7 Canadian Siege Battery, Oct 15 1917 and Oct 18 1917. Black stamp on reverse: 80th H.A.G. [Heavy Artillery Group], No. R1421/17, Date 14-10-17., Used by Major J. C. Thomson MC, OC 20th Siege Battery, RGA. WW1 Trench Map Collection: Box PC23, Envelope 723.
Maing
Maing
Series Number Id: UNKNOWN. Sheet number: 51a NW, NE, SW, SE (parts of). Denain area SW of Valenciennes. Gridded topographical map, compiled, drawn and printed by 1st FSB. "[1st] Field Survey Battn. R.E. 7105 [October 1918]." Detail and grid grey, water blue, contours brown, woods green. Used by infantry and artillery in the final operations in the vicinity of Valenciennes. No trenches shown., WW1 Trench Map Collection: Box PC18, Envelope 559.
Map showing German trenches, from air photos up to 2nd February, 1916
Map showing German trenches, from air photos up to 2nd February, 1916
Series Number Id: UNKNOWN. Sheet number: 36c NW, 36c SW [parts of]. Auchy-Loos Area trench map, 2 February 1916. "1st Printing Co. R.E. G.H.Q. (2157)". "1st Army 5-2-16." Detail and grid grey; German trenches red., WW1 Trench Maps Collection: Box PC18, Envelope 550.
Maurepas
Maurepas
Series Number Id: GSGS 3137. Sheet number: [part of sheet 57]. [Reduced from 1:10,000 sheets 57d SE2 and 57c SW1 Le Sars (part of), 57c SW3 Longueval, 62c NW1 Maricourt, and 62c NW3 Vaux (less 1,000 yard strip at foot)]. Somme Battlefield, trench map 1916. "Trenches corrected to January 19th, 1916." "Ordnance Survey 1916." Detail, grid and contours grey, water pale blue. German trenches and 4-fig coordinates red; British/Allied Front Line pecked blue. Showing the situation before the loss of Frise by the French in January 1916. Four regular-series 1:10,000 trench maps, photographically reduced, so showing exactly the same detail. The southern part of Third Army (later Fourth Army) front. Title printed on reverse., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 372.
Montauban
Montauban
Series Number Id: GSGS 3188. Sheet number: parts of sheets 57d SE, 57c SW, 62d NE, 62c NW. Battle of the Somme. "Ordnance Survey, 1916." "Trenches corrected to 2-6-16." Detail, grid and contours grey; water blue. German trenches red with names in blue; British front line pecked blue. Reduced from 1:10,000 trench maps. Showing the situation before the opening of the Battle of the Somme. Used during the Somme battle. The intention was that this map would be printed at 1:10,000 scale but, owing to a mix-up in instructions, it was reproduced at 1:20,000. Nevertheless, it proved very popular [source: Lt. Col. M. N. MacLeod, History of 4th FSC/B]. Manuscript markings on face in Mametz - Montauban - Longueval area: Queen's Nullah, 52 B.HQ, A & B, C & D, new trenches, Seaforths, etc. Manuscript on reverse: Capt.... [indecipherable]. Title printed on reverse., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC14; envelope_number: 374.
Montauban [Battle of the Somme 1916]
Montauban [Battle of the Somme 1916]
Parts of Sheets 57d.SE, 57c.SW, 62d.NE, and 62c.NW. Series: GSGS 3188. Trenches corrected to 2-6-16, Ordnance Survey 1916. Showing the situation before the opening of the Battle of the Somme. The intention was that this map would be printed at 1:10,000 scale, but owing to a mix-up in instructions it was reproduced at 1:20,000. Nevertheless, it proved very popular [source: Lt. Col. M. N. MacLeod, History of 4th FSC/B]. Annotations: "B Coy." printed in pencil on the folded, cover panel. Location: Research Collections, Fonds: WWI Trench Maps France, Box 25, Envelope 751.
Montauban [Battle of the Somme 1916]
Montauban [Battle of the Somme 1916]
Parts of Sheets 57d.SE, 57c.SW, 62d.NE, and 62c.NW. Series: GSGS 3188. Trenches corrected to 2-6-16, Ordnance Survey 1916. Showing the situation before the opening of the Battle of the Somme. The intention was that this map would be printed at 1:10,000 scale, but owing to a mix-up in instructions it was reproduced at 1:20,000. Nevertheless, it proved very popular [source: Lt. Col. M. N. MacLeod, History of 4th FSC/B]. Annotations: old and new boundaries between divisions, including French XX Corps. Blue pencilled dots, and brown solid and dashed lines. Location: Research Collections, Fonds: WWI Trench Maps France, Box 25, Envelope 749.

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