What and where is the Ahaggar?

Charles de Foucauld’s Dictionnaire abrégé touareg-français de noms propres “Abridged Tuareg–French dictionary of proper names” is not only a valua...

Intersections of waterways and highways in the central Sahara

I’ve mapped some intermittent waterways (i.e. oueds, wadis, dry rivers …) in the central Sahara (Ahaggar region, mainly) and left most intersection...