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Painted portrait of tenth Architect of the Capitol, Alan M. Hantman.
Alan M. Hantman, FAIA, served as the 10th Architect of the Capitol.
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Black and white photo of Genius of America pediment.
A variety of letters and numbers appear on buildings or in art work on Capitol...
  • Stone Preservation on Capitol Hill

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    Stone Preservation

    Watch our video on why stone preservation across Capitol Hill is a top priority.

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  • Stone Preservation on Capitol Hill

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    Crumbling Down and Building Up

    Addressing the stone pandemic takes a team of historic preservationists, structural engineers and stonemasons, among others.

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  • Stone Preservation on Capitol Hill

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    Masonry at the AOC

    The hands-on work caring for the stone founds across Capitol Hill falls to AOC masons.

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  • Stone Preservation on Capitol Hill

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    Sandstone on Capitol Hill

    During the early years of Washington, D.C., sandstone was commonly used because could be found locally and was easy to…

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