[U.S. Military Railroad Bridge Across Bull Run, and Block House, Orange and Alexandria Rail Road, Virginia]
Object type: Photograph
Department: Photographs
Artist: Andrew Joseph Russell|Timothy H. O'Sullivan|George N. Barnard|Mathew B. Brady
Artist bio: American, 1830–1902|American, born Ireland, 1840–1882|American, 1819–1902|American, born Ireland, 1823?–1896 New York
Artist role: Artist|Artist|Artist|Former Attribution
Artist nationality: American|American, born Ireland|American|American, born Ireland
Date: April 1863
Medium: Albumen silver print from glass negative
Dimensions: 13.3 x 20.3 cm (5 1/4 x 8 in. )
Classification: Photographs
Credit line: Harris Brisbane Dick Fund, 1933
Accession year: 1933