Second Army Area: Part of Sheet 5A (Belgium)

Map of the 'Second Army Area' which is 'Part of Sheet 5A (Belgium)' and depicts traffic circuits of Northern France and Belgium 20th April, 1917. It is a coloured map but contains a red ink overlay of traffic circuits of the area. Two scales are given at the bottom indicating 1/100,000 or 1 inch to 1.58 miles or 1 centimeter to 1 kilometre.