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.
46, freed the city of Rome from the danger of inundation.
Since these streams had in no case originally easy access to the sea, we naturally find lakes on their course, and several of them terminate in tracts of more or less permanent inundation.