A.J. Russell 1863 (published) Bridges by means of which cars are loaded upon or unloaded from arks or barges [Photographs illustrative of operations in construction and transportation, as used to facilitate the movements of the Armies of the Rappahannock, of Virginia, and of the Potomac ...]
Library of Congress, Prints and Photographs Division Call Number: LOT 9209 (H) (M) [P&P], LC-DIG-ppmsca-10303 (digital file from original photo, front) LC-DIG-ppmsca-10304 (digital file from original photo, back)