article_snippet: The state fire marshal's office said Friday that the cause of the blaze hasn't been determined.
article_snippet: Debra Hess Norris, chairwoman of the University of Delaware's art conservation department and a photograph conservation professor wouldn't be alone - The fire marshal's office said that the cause of the blaze hasn't been determined .
highlights_snippet: The state fire marshal's office said Friday that the cause of the blaze in Washington Court House, Ohio, hasn't been determined .
  