Extension of the United States Capitol building. Hearing before a subcommittee of the Committee on Public Works, United States Senate, Eighty-fifth Congress, second session, on S. 2883, a bill to amend the Legislative Appropriation Act, 1956, to eliminate the requirement that the extension, reconstruction, and replacement of the central portion of the United States Capitol be in substantial accord with Scheme B of the Architectural Plan of March 3, 1905, February 17, 1958