Legends of Indians about a megaflood in America turned out to be true

The Megaflood occurred in vicinities modern State of Washington. In North America found traces of the megaflood which has occurred from 15,5 till 18 thousand years ago. Geologists Californian university made a find when studied an emergence place nowadays the nonexistent glacial lake in staff Washington. The megaflood could occur because of valley overlapping Clark-Fork a fragment of the Kordilyersky ice cover. About invasion of enormous waters it is spoken and in legends of local Indians. According to scientists, at the end of ice age the valley was filled with thawed snow which punched to itself channels...