New bridge over Potomac River on the Washington, Alexandria and Georgetown Railroad.

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Railroad bridge across the Potomac River. Three men are seated at right: S. Seymour, chief engineer, Morse, constructing engineer, Post & Co., contractors.

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Size: 6546px × 4540px
Location: US
Photo credit: © The Protected Art Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bridges, civil, construction, contractors, engineers, federal, north, potomac, railroad, rails, states, ties, track, train, union, war