Map showing Mauritanie, and the Atlantic coast of the old Spanish Sahara, and international, undemarcated, intercolonial, provincial or departmental and district boundaries, with place names, mountain ranges, islands, peaks, valleys, cappes, tribes, railways, roads, trails, tracks, explorer's routes, telephone and telegraph lines, towns of 1st, 2nd, 3rd, 4th and 5th class importance, rivers, unsurveyed water courses, canals, salt lakes, geodetic and astronomical points, water sources, historical ruins and radio telegraph stations. Relief shown in form lines and spot heights. Some colour. Provisional edition. Scale 1 : 2.000.000.