MOUNT VERNON — Retha Barton, 84, of Mount Vernon, passed away Monday, April 30, 2012, at Country Court Nursing Center. The Dilley-Lasater Funeral Home in Mount Vernon is handling the funeral arrangements for the Barton family. Visit http://www.dilleylasater.com.Copyright The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.