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.
Soon after his death the city fell into the hands of Lysimachus, who introduced fresh Greek colonists from Lebedus and Colophon and, it is said, by means of an artificial inundation compelled those who still dwelt in the plain by the temple to migrate to the city on the hills, which he surrounded by a solid wall.