Series Number Id: GSGS 3049a. Sheet number: [36c NW1]. "10.4.15" Givenchy - Cuinchy - Cambrin Area. O.S.O. 1915. Detail (including water & ditches), grid, arbitrary target numbers in circles, and British front (pecked), black. German trenches (including la Bassee defences 3,000 yards behind the front line) red. One of early 1915 inverted series covering First Army front. An identical copy was received in the GSGS Map Room (War Office) on 18-4-15, indicating little time lost between drawing (in France) and printing (at Southampton). A similar sheet (GSGS 3049) was printed at 1:5,000 at the same time., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC15; envelope_number: 408, Manuscript: British trenches and buildings in Givenchy area. Manuscript on reverse: [2/Lt.] A. Waterlow [19th (St. Pancras) Batallion, London Regt.]