On the 157th anniversary of the Battle of Antietam, we remember the 22,000 casualties of the battle. Learn more about the deadliest single day in US military history through our animated maps. | American Battlefield Trust

15K views · 926 reactions | Antietam National Battlefield ranger and historian Brian Baracz describes one of the numeorus ways we may use the newly-discovered S.G. Elliot Burial Map of Antietam in better understandin the field, sometimes one soldier at a time. https://www.battlefields.org/news/previously-unknown-map-showing-engagements-aftermath-amounts-rosetta-stone-battle-antietam | American Battlefield Trust | Facebook