Cemetery notes and/or description: Washington Confederate Cemetery is a separate cemetery located within the grounds of Rose Hill Cemetery. It was dedicated on June 15, 1877. Most of the the graves are of Confederate soldiers who died in the nearby battles of Antietam and South Mountain. More than 2000 soldiers are buried here but only 346 were identified. Only three of the graves have any markers, but an old map of the cemetery is mounted on a plaque at the site.