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Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

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On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Construction of Capitol extensions
Montgomery Meigs – a man who built the Capitol while helping save the Union it...

Projects

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    Stopple Valve System

    By deploying this new technology, a tremendous amount of natural resources will be saved.

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    Best Practices In The Field

    The Cannon Renewal team brings a 21st-century approach to field coordination and quality control as a model for the future…

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    Seeing Through Concrete

    The Cannon Renewal team is using ground penetrating radar to help workers see what's inside the concrete of the Cannon…

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    Bringing Cannon Back to the Future

    High in the sky, about 50 feet above the roof, a crane is peeking out of the Cannon House Office…

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Cannon Renewal Project