Lowlands Tigris and Euphrates and the lower the Babylonians (Babylonia), a region which is adjacent to the Persian Gulf. The name of another day, Shenaningans (Shina) caused by the deposition of soil, river sediment sources said, in the summer snow on the mountains in Armenia melt runoff south away to ooze out. deposition in the estuary It grew out of the ground at the mouth of the river every year. On average, about one mile and a half every century (about 29 inches per year).