On its left bank stretches the so-called inundation region, 1525 ft.
The lowlands of Tilsit are protected against inundation by dikes.
In the 7th century, perhaps owing to a terrible inundation,' its exiles founded, at a distance of 4 m.
If a dam be absolutely necessary, care must be taken so to build it as to secure the fields on both sides from possible inundation; and it should be constructed substantially, for the cost of repairing accidents to a weak dam is very serious.
It is on inundation canals such as these that the whole cultivation of Sind depends.