SURVEY DEPARTMENT, PUBLIC WORKS MINISTRY
EGYPT.
BAHARIA OASIS:
ITS TOPOGRAPHY AND GEOLOGY
BY
JOHN BALL, Ph. D., A.R.S.M., Assoc. M. Inst. C.E.
AND
HUGH J. L. BEADNELL, F.G.S., F.R.G.S.
CAIRO
National Printing Department
1903