Sand erosion producing sharp blades of rock very damaging to the soft feet of a camel. ([p. 87]).
The Descent into Dakhla Oasis.
This cliff was several hundred feet in height, but the sand drifted against it and made the descent easy. ([p. 36]).
A Made Road.
Made roads are practically unknown in the desert. This one was notched out of the side of the slope and led to the site of an unknown oasis, where treasure was said to be hidden. ([p. 205]).
CHAPTER XVI
THE caravan, with Abd er Rahman and Ibrahim, returned, dead beat, but safe. No less than four of the tanks they had taken out filled with water had leaked and had had to be brought back. They had had to race home by day and night marches all the way. But they had got in all right—we had extraordinary luck in this way.