Chief Officer and Clerks of the Ambulance Department, 9th Army Corps, in Front of Petersburg, Virginia 1864

This photograph, taken by Timothy O'Sullivan during the American Civil War in 1864, depicts the staff of the Ambulance Department of the 9th Army Corps in front of Petersburg, Virginia. O'Sullivan was known for his stark, documentary-style photographs that captured the harsh realities of war. The image shows a group of men, likely officers and clerks, seated outside their camp, with a makeshift table and a cabinet behind them. This image is part of a larger body of work that documents the Civil War and offers a glimpse into the daily lives of soldiers during this tumultuous period.