Map showing Ansongo, a rural commune and small town in the Gao region of eastern Mali alongside the Niger river, and international, intercolonial or mandate, provincial, district and subdivision boundaries, with roads and ways for motor traffic, heavy duty roads, light duty roads, nature paths, passable all year round, passable only in dry weather, roads under construction, other tracks paths or explorers' routes, telegraph lines along roads, telegraph lines, capital of the colony, important city districts, city subdivisions, villages, district capital, bridges, ferries, fords, perrenial rivers: with canals, non-perennial, unsurveyed, swamps, wells, waterholes, ground liable to flooding, airpoirts, flight and landing strip, water airports, post offices and post offices with telegraph or telephones, roadhouses, radio or transmission stations, lighthouses, customs offices, harbours, Christian missions, trigonometric or astronomical points. Relief shown by form lines, heights in metres. Colour. Special edition. Scale 1 : 500 000.