Map showing Conakry and Sierra Leone, and international, intercolonial or mandate, provincial and district boundaries,with place names, railways with 1 metre tracks, railways under construction or planned, roads and ways for motor traffic, road order of 1st and 2nd category, roads under construction or planned, roads in their natural state, other ways or paths, footpaths, heights in feet above sea level, post offices and post offices with telegraph or telephones, customs offices, telegraph lines along roads, telegraph lines on overhead power lines, Christian missions, mosques, minarettes, sanctuaries, lighthouses, radio or transmission stations, watercourses non-perennial, not measured, wells, waterholes, ground liable to flooding, landing strips, highest formlines, formlines not measured, formlines up to 100m. Relief shown by form lines with height in metres. Colour. Special edition 1. Scale 1 : 500 000.