File:FallsMap20EtTire.jpeg

{{Information|description=Falls Map 20 Breakthrough and advance to Et Tire | source=Official History of the Great War Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence Volume 2 Part II Military Operations Egypt & Palestine from the outbreak of war with Germany to June 1917 |date=1930 |author=C. Falls and A. F. Becke (maps) |publisher=HM Stationery Office|location=London}}Copyright: Crown copyright Access: Unrestricted {{PD-BritishGov}}