Ur, Abraham's Birthplace, and Archaeology

According to AFP, Iraqi Archaeologists have found a new settlement (with writings) near ancient Ur--Abraham's birthplace and, incidentally, also where the earliest known Gilgamesh tablets were produced (and, in Sumerian, he is called Bilgamesh)-- that differs from other discovered settlements because it is in the desert rather than directly by a water source. I wonder if the writings indicate anything we didn't know before...