Gaddafi’s Folly
Andrew Wilson, 27 June 2002
“... a Libyan tribe that controlled virtually all trans-Saharan trade. Recent British fieldwork, led by David Mattingly, has demonstrated that this civilisation, in an area where average annual rainfall is less than 10 mm, practised intensive agriculture supported by qanats (locally called foggaras): underground tunnels that tapped an aquifer in the slopes of an ... ”