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Two precast concrete bridges on Lackawanna
One carrying railroad at Millburn, N. J., made up of heavy slabs replaced under traffic lighter steel structure; other 48-ft. footbridge over three-track right-of-way.
Two precast concrete bridges on Lackawanna
One carrying railroad at Millburn, N. J., made up of heavy slabs replaced under traffic lighter steel structure; other 48-ft. footbridge over three-track right-of-way.
Two precast concrete bridges on Lackawanna
Eng. News-Rec
Hirschthal, R.R.M. (Autor:in)
1923
5 pages
9 Figs.
Aufsatz (Zeitschrift)
Englisch
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