Title: Chief Officer and Clerks of the Ambulance Department, 9th Army Corps, in Front of Petersburg, Virginia
Object type: Photograph
Date: August 1864
Artist:  Timothy H. O'Sullivan 
Artist bio: American, born Ireland, 1840–1882
Artist nationality: American, born Ireland
Artist role: Artist
Medium: Albumen silver print from glass negative
Dimensions: Image: 6 7/8 × 8 7/8 in. (17.5 × 22.5 cm)
Mount: 10 5/16 × 15 1/16 in. (26.2 × 38.2 cm)
Classification: Photographs
Credit line: Gilman Collection, Museum Purchase, 2005
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY
Tags: term: Tents, term: Soldiers, term: American Civil War, term: Men