Alexander Gardner. Pontoon Bridge Across the Potomac, at Berlin. 1862. United States. Albumen print, pl. 25 from the album Gardner's Photographic Sketch Book of the War, vol. 1 (1866)
Size: 3000px × 2376px
Photo credit: © WBC ART / Alamy / Afripics
License: Licensed
Model Released: No
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