Copying Maps, Photographic Headquarters, Petersburg, Virginia
Object type: Photograph
Department: Photographs
Artist: Alexander Gardner|Unknown
Artist bio: American, Glasgow, Scotland 1821–1882 Washington, D.C.| 
Artist role: Artist|Artist
Artist nationality: American, Scottish| 
Date: March 1865
Medium: Albumen silver print from glass negative
Dimensions: Image: 19 x 24.6 cm (7 1/2 x 9 11/16 in.)
Classification: Photographs
Credit line: Gilman Collection, Museum Purchase, 2005
Accession year: 2005
Tags: American Civil War|Photography