National Geographic : 1924 Jan
THE NATIONAL GEOGRAPHIC MAGAZINE IN THE SAND-DRIFTS NEAR INIFEL, ALGERIA The area of the entire Sahara has been estimated as more than 3,400,000 square miles almost as large as all of Europe. The desolate sand dunes along the northern edge, 1oo miles from the Mediterranean coast, and the fanatical nomads of the interior long prevented fuller knowledge of the peoples and places of the center of the great desert. Photographs from Andre Citroen THE CITROEN TRANS-SAHARA EXPEDITION MAKING CAMP NEAR A DESERT WELL Each of the five Citroen tractors was constructed somewhat differently from the others, for practical demonstration purposes. Two were equipped with rapid-fire guns, in case of attack by Tuareg nomads, and the other three carried searchlights.