New York, NY 26 Oct 2009 - Parks workers led bt an urban archaelogist dig by hand on the South side of Washington Square Park. Word is that on Friday October 23 an old tombstone was uncovered during the Phase II restoratin process. The park sits on the former site of a paupers field where 20,000 yellow fever victims were burried in mass graves between 1797 and 1825. However, the discovery of a tombstone indicates that a private burial site may have either co-esisted, or existed previously.