Map showing Algeria, a country in the Maghreb region of North Africa on the Mediterranean coast, and international, international undemarcated, intercolonial, provincial, frontier district boundaries, with towns of 1st, 2nd, 3rd, 4th and 5th importance, rivers, unsurveyed water courses, canals, marshes, ground liable to flooding, railways with gauge and number of tracks, railways under construction, with single tracks, with narrow gauge, metalled roads, secondary roads, other tracks, paths or explorers routes, provinces, frontier districts, localities, mountain ranges, peaks, valleys, capes, islands, tribes, regions, key to method of giving a position reference, list of abbreviations, references: trigonometrical points, height in metres, depth in metres, water points, ruins of historical interst, wireless stations, landing ground, mines or quarries, lighthouses, fortified houses or towers, oases, camps, rest houses, petrol depots, chief post of Cie Saharienne, advanced post of Cie Saharienne. Relief shown by form lines, hachures, shading, height in metres. Colour. Second edition, ground/air. Scale 1 : 2,000 000.