“This reasoning led him in the late 1940s to the remote Chemchemal Valley of northeastern Iraq, near the southern margin of the Zagros Mountains, and well within the geographical range of all the wild ancestors of the seven major Near Eastern domesticates (barley, emmer and einkorn wheat, goats, sheep, pigs, and cattle).”
—Bruce D. Smith, The Emergence of Agriculture, (New York: Scientific American Library, 1995), p. 9.