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You searched for: Acquisition Source O'Brien, John Remove constraint Acquisition Source: O'Brien, John Topical Subjects Railroads--Bridges and Tunnels. Remove constraint Topical Subjects: Railroads--Bridges and Tunnels.
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Unidentified workers, part a team of engineers, survey for a tunnel, as two men stand inside an opening in the rocks.
The new extension was part of the Norfolk & Western Railroad.
Two unidentified individuals are standing on the middle pier and two are sitting on the bridge and a hand-car.
Part of the new Ohio extension on the Norfolk & Western Railroad.
View from inside the tunnel, which was craved out of the mountain, looking out, down the track.
A locomotive, pulling flat cars rolls over  Bridge No. 20. Three unidentified people are standing on the middle pier.
No. 5, Sec. 24, part of the Ohio Extension of the Norfolk & Western Railroad.
Unidentified workers use a pulley to move huge blocks of stone during the building of a bridge on the Norfolk and Western Railroad.
Several unidentified people stand near an abutment of a new bridge during the construction of the Ohio extension of the Norfolk & Western Railroad.
Two unidentified men stand under a partially built trestle bridge during the construction of the Ohio extension of the Norfolk & Western Railroad.
Two unidentified men stand on new bridge abutment during the construction of the Ohio extension of the Norfolk & Western Railroad.
Unidentified workers stand among cut stones used in the construction of bridge abutments (such as one in the background). The poles in the photograph are part of the pulley used to place the stones.