Petrie, William M. Flinders; Mackay, Ernest J.: Heliopolis, Kafr Ammar and Shurafa (London, 1915)

HELWAN. DAM IN WADY GERRAWY.

WESTERN
SIDE

OF DAM

HUTS OF

WORKMEN

WEST

OF DAVt

EASTERN

FACE
OF DAM
LOOKING
SOUTH

ARROW

SHEWS

STREAM

DIRECTION

FILLING
FROM X TO X

SECTION

OF DAM

LOOKING

NORTH