Map showing Bahr el Ghazal, a region of western South Sudan, and international, intercolonial, provincial, district boundaries, with place names, railways, under construction, projected, roads suitable for motor traffic, suitable for carts, tracks, telegraphs or telephones, telegraphs or telephones along roads or tracks, provinces, frontier districts, localities, mountain ranges, peaks, valleys, capes, islands, tribes, towns of 1st, 2nd, 3rd, 4th and 5th importance, rivers, unsurveyed, canals, marshes and swamps, plains liable to inundation, geodetic trigonometrical stations, altitudes in metres, depths in metres, wells, springs, waterholes, pools, historical ruins, wireless telegraph stations, limits of navigation, scale of nautical miles, land aerodromes, landing fields, airship bases, airship hangars, airship mooring masts, water aerodromes, seaplane moorings or anchorages, marine lights: lighthouses or light buoys, light vessels (centre of star, air lights, radio electric stations, aeronautical radio D/F or radio beacon stations, overhead hight tension cables, landmarks, air corridors (not marked on this sheet), danger areas, explosives areas, airports (with customs facilities) land and water aerodromes with air light. aeronautical radio communication stations and D/F or radio beacon stations, landing grounds abandoned. Contours are at 200 & 500 metres & thence at 500 metre intervals. Relief shown by form lines with height in metres, tinted shading. Colour. Scale 1 : 2,000,000.