Map of the plan for the Allied Offensive in France showing the situation on September 24, the eve of the infantry assault. An Anglo-French would attack eastward in Artois (with the British at Loos) as the French attacked northwards in Champagne. From 'Military Operations France and Belgium, 1915, Vol. II, Battles of Aubers Ridge, Festubert, and Loos' by Brigadier-General J.E. Edmonds.