Pontoon bridge across the Potomac, at Berlin / Alex. Gardner, Illus. in: Gardner's photographic sketch book of the war / Alexander Gardner. Washington, : Philp & Solomons, [c1866], v. 1, no. 25, Copyright by A. Gardner, Title from item. Pontoon bridges, Virginia, 1860-1870, Rivers, Virginia, 1860-1870, Potomac River, 1860-1870, United States, History, Civil War, 1861-1865, Transportation.

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Photo credit: © piemags/CMB / Alamy / Afripics
License: Licensed
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Keywords: ., bridges--virginia--1860-1870., pontoon, rivers--virginia--1860