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the bridge i think (pretty sure)
cassions were in the way
k;kmk;.k
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iron
The material used to build the bridge was wood and steel
George Washington did not build Washington, D.C. It was named after him. It held it's first assembly in 1800.
The current London Bridge is a pre-stressed concrete box girder bridge.
Steel idots.
The current London Bridge, built in 1973, is a pre-stressed concrete structure.
Washington Roebling worked on the Cincinatti-Covington bridge with his father from 1865-1867. He also assisted his father on the Allegheny bridge project from 1858 to 1860
Fort Necessity