Series Number Id: GSGS 2742; Sheet number: 57b NW; Edition number: 1.
Cambrai & South East; artillery map; O.S.O. 1915; from 1:80,000; fully coloured; detail & grid lines black ; grid numbers and letters (cross-hatched) in red; no trenches shown; some stains on map face; good condition., Location: Research Collections; Fonds: WW1 Trench Maps: France; Box number: PC11; envelope_number: 299