“ A considerable part of the soil is light sand drifted about by the wind. The irrigated and fertile portions consist mainly of a number of valleys separated from each other by low and irregular limestone rocks. ”

“ The inhabitants own large numbers of goats and asses.
A caravan route from Barca and the Kufra oasis passes through Borku to Lake Chad. The country long remained unknown to Europeans. Gustav Nachtigal spent some time in it in the year 1871, and gave a valuable account of the region and its inhabitants in his book, Sahara und Sudan (Berlin, 1879–1889) . In 1899 Borku, by agreement with Great Britain, was assigned to the French sphere of influence. ”