'Unknown Location. Unidentified Union Volunteer With Shouldered Rifle and Bayonet in Photographer's Studio (U.S. Civil War)' This photograph, dated during the U.S. Civil War, captures an unidentified Union volunteer posing in a photographer's studio. The subject is portrayed with a shoulder-mounted rifle and bayonet, typical military equipment of the time. The specific location or identity of the soldier remains unknown. Such images offer valuable insights into the visual culture and military aspects of the U.S. Civil War era, as well as the role of photography in documenting historical events.