Map showing Northern Rhodesia and parts of Southern Rhodesia, and international, intercolonial, provincial, district boundaries, with railways with gauge measurements, under construction and projected, roads suitable for motor traffic or carts, tracks, telephone or telegraph lines along roads or tracks, provinces, districts, localities, mountain ranges, peaks, valleys, capes and islands, tribes, towns of 1st, 2nd, 3rd, 4th and 5th class importance, rivers, unsurveyed water courses, canals, marshes and swamps, ground liable to inundation, geodetic trigonometric stations, water points, historical ruins, wireless telegraph stations. Contours shown in metres. Relief shown in form lines. Colour. Fourth edition, ground/air. Scale 1 : 2,000,000.