[Ditch and Chevaux-de-frise, Fort Sedgwick, in Front of Petersburg, Virginia]
Object type: Photograph
Department: Photographs
Artist: Timothy H. O'Sullivan|Mathew B. Brady
Artist bio: American, born Ireland, 1840–1882|American, born Ireland, 1823?–1896 New York
Artist role: Artist|Former Attribution
Artist nationality: American, born Ireland|American, born Ireland
Date: April 2, 1865
Medium: Albumen silver print from glass negative
Dimensions: 8.7 x 9.4 cm (3 7/16 x 3 11/16 in. )
Classification: Photographs
Credit line: Harris Brisbane Dick Fund, 1933
Accession year: 1933
Tags: American Civil War|Fortification