"Mughal's broad chronological periods are not specific enough to assist us in definitively situating the Vedic-speaking Aryans as inhabitants of the Indus Valley Civilization. It is significant, however, that about 80 percent of Mughal's 414 archaeological sites along a three-hundred-mile section of the Hakra were datable to the fourth or third millen- nium B.C.E, suggesting that the river was in its prime during this period."