Visual Materials
Trial of "Shad Belly" Bridges
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Potomac Creek Bridge across the Potomac Creek, Stafford County, Virginia
Visual Materials
Potomac Creek Bridge: Photograph showing a truss bridge built for the Aquia Creek & Fredericksburgh Railroad. There is a railroad car on the track, U.S.M.R.R. stamped on its side, leaving the frame to the right.
photCL 301 (33)
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Shad bellies
Visual Materials
Yard at Alexandria, construction corps finishing portable bridge trusses, known as a "shad-belly" trusses because of their shape. Title on mount: Shad bellies. Handwritten in upper left corner: No. 30.
photCL 301 (97)

Trestle Work, Potomac Creek. "Potomac Creek Bridge, Acquia Creek and Fredericksburg RR prospective view, April 12, 1863."
Visual Materials
Stationary steam railway locomotive standing on the middle of a wooden trestle bridge. Locomotive has one engine, coal-tender and one box car. There are five men, two sitting in the coal-tender and three standing or sitting on the box car which has U.S.M.R.R. printed on its side. Title on mount: Trestle Work, Potomac Creek. Handwritten in upper left corner: No. 3.
photCL 301 (3)

Bridge unidentified location
Visual Materials
A truss bridge over waterway which includes a steamboat. Foreground is a plot of land sectioned off by a slat-wood fence and a small house with metal chimney on right-hand side. No. 4.
photCL 301 (4)

Haupt Truss, Bull Run
Visual Materials
Numerous men building military railroad Haupt truss bridge across Bull Run River in Virgnia. Title on mount: Haupt Truss, Bull Run. Handwritten in upper left corner: No. 15.
photCL 301 (34)

Breakdown
Visual Materials
Wreck caused by the fracture of an axle of a car on the Loudon and Hampshire Railroad, March 28th, 1863. Front of train has separated from three railroad cars, the last car is stamped with No. 123[7], U.S.M.R.R. About fifteen men work on this car in foreground and six men rest at the gap between the train's separation. Title on mount: Breakdown. Handwritten in upper left corner: No. 25.
photCL 301 (36)