[Arras and battlefield to the east and southeast 1-1-17]
Series Number Id: GSGS 3268. Sheet number: 51b NW & 51b SW (parts of). Arras and battlefield to east and southeast: front lines, artillery intelligence, enemy battery positions, trench mortars and rear organisation 1-1-17. At head of sheet: France, sheet 2. "Ordnance Survey, 1916." "3rd Field Survey Coy (1264)". Detail, grid and contours grey; water blue. Overprinted with pecked purple British front line and pecked orange-brown German front line. Overprinted in purple: [Germany battery positions and arcs of fire]; Reference; list of square positions of trench mortars; and more. Purple, green and orange-brown plates registered with needles. Overprinted green: military tracks and observation posts. Overprinted orange-brown: light railways and supply dumps., WW1 Trench Map Collection: Box PC15, Envelope 420.