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Keywords:
EGYPT,
SUDAN,
AFRICA,
RIVERS,
VALLEYS,
IRRIGATION,
DRAINAGE,
DELTAS,
DAMS,
WATER SUPPLY,
FLOODS,
COUNTRIES,
DEVELOPING,
BARRAGES,
WORKS,
HISTORY,
PRESIDENTS,
RIVER NILE,
ASWAN DAM
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© Thomas Telford and ICE
1933
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