Map showing a section of the African Great Lake Tanganyika, and the surrounding regions of Nyasaland (Malawi), Tanganyika (Tanzania) and Northern Rhodesia (Zambia), and international, intercolonial, provincial, district boundsries, with place names, railways, under construction, projected, roads suitable for motor traffic: all seasons, dry weather, motor tracks, 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. Contours are at 200 & 500 metres & thence at 500 metre intervals. Relief shown by form lines with height in metres. Colour. Scale 1 : 2,000,000.