article_snippet: Professor Patrick O'Grady from Oregon University called The findtantalising.'
article_snippet: Donald Grayson, professor of archaeology at the University of Washington, said the scientific community would be skeptical.
article_snippet: Until then, extreme skepticism is all they are going to get.'
article_snippet: The find has yet to be submitted to a scientific journal for publication, but The find has been reported in newsletters and at conferences.
article_snippet: Volunteers looking around the surface found some 30 stemmed points, and the field school started excavations in 2011, someone said.