Map showing the Atlantic coast region of northwestern Africa including Guinée, Sierra Leone and Liberia and international, undemarcated, intercolonial, provincial boundaries, frontier districts, with towns of 1st, 2nd, 3rd, 4th and 5th class importance, rivers,unsurveyed water courses, canals, marshes, ground liable to flooding, trigometrical points, height and depth in meters, water points, historical ruins, wireless stations, landing fields, mines and quarries, lighthouses, fortified houses, towers, oases, railways with gauge and number of tracks, under construction, metalled roads, principal and secondary motor tracks, principal camel tracks, other tracks, paths or explorer routes, unsurveyed tracks, localities, mountain ranges, capes, islands, tribes, regions, camps, rest houses, petrol depots, chief post and advanced post of Compagnie Saharienne. wadis, wells, salt marshes, peaks and valleys, mountains, enclosures, tombs of saints, fortified villages and monasteries. Colour. Relief is shown in form lines and hill shading. Provisional edition. Scale 1 : 2.000.000. Scale 1 inch to 31.56 miles.