Series Number Id: GSGS 2742; Sheet number: 36a NW; Edition number: 2, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC04; envelope_number: 93, Manuscript on face relating to water supply.
Series Number Id: GSGS 2742; Sheet number: 36a NW; Edition number: 6, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC08; envelope_number: 204, Manucsript on cover: 250th [Tunnelling] Company RE; Manuscript on face: small red circles on road junctions - for demolition craters 1918?.
Series Number Id: GSGS 2742; Sheet number: 76 NE; Edition number: 1A, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC29; envelope_number: 882, OS May 1918. Trenches to 20 April 1918.
Series Number Id: GSGS 2742; Sheet number: 75NE; Edition number: 1A, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC29; envelope_number: 880, OS May 1918. Trenches to 20 April 1918.
Series Number Id: GSGS 2742; Sheet number: 76 SE; Edition number: 1A, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC29; envelope_number: 883, OS May 1918. Trenches to 20 April 1918.
Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 4a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC06; envelope_number: 145, Manuscript [1918] on face: in green crayon: British barrage markings in Hamel - Thiepval Wood - St. Pierre Divion area; in pencil: British trench names; in blue crayon: British trenches emphasized; many other MS markings - e.g. trenches to SE of Englebelmer - Bouzincourt, in Aveluy Wood, to NW of Albert etc; manuscript on reverse: J.H. LERRIGO.
Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 2a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC11; envelope_number: 307, Stamp on reverse: "57th Siege Battery. Royal Garrison Artillery". Manuscript in pencil on face: British battery position north of Albert (SW of Aveluy Wood) & zero line to Pozieres Windmill, & part of another line to La Boisselle; also line to north of Ovillers & Contalmaison & Mametz Wood - British front during Somme battle (July 1916); Manuscript on reverse; office Copy; several stains.
Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 2a, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC10; envelope_number: 268, Many manuscript markings on face in pencil, apparently for artillery - OPs, targets etc - in area Albert - Thiepval - Ovillers - Contalmaison - Mametz Wood - La Boisselle; very worn in folds; some stains.
Series Number Id: GSGS 2742; Sheet number: 57d SE; Edition number: 2d, Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC12; envelope_number: 311, Manuscript markings on face (for 8th October 1916): new trenches with names in area Thiepval - Grandcourt - Miramount - Courcelette - Pozieres; Operations markings in Albert - Ovillers - Pozieres - Courcelette area; also new light railways, and huts in area north and west of Albert; positions marked of 39th, 25th and 18th Divisions (for Battle of Ancre heights - 21st October 1916).