Union Station

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Construction beams and netting line the ceiling of Union Station as contractors continue their repair and maintenance efforts on the historic icon, in Washington, DC Tuesday, May 28, 2013. (Andrew S Geraci/The Washington Times)

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Light snow falls during morning rush hour at Union Station, Washington, D.C., Thursday, January 24, 2013. (Andrew Harnik/The Washington Times)

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Light snow falls during morning rush hour at Union Station, Washington, D.C., Thursday, Jan. 24, 2013. (Andrew Harnik/The Washington Times)

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Light snow falls during morning rush hour at Union Station, Washington, D.C., Thursday, Jan. 24, 2013. (Andrew Harnik/The Washington Times)

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Light snow falls during morning rush hour at Union Station, Washington, D.C., Thursday, Jan. 24, 2013. (Andrew Harnik/The Washington Times)

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Two Knights of Columbus greet one another at the base of the National Columbus Memorial outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012 while others assemble for a ceremony honoring the 100th anniversary of the memorial. (Barbara L. Salisbury/The Washington Times)

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The Knights of Columbus hold their swords out as people present wreaths during a ceremony celebrating the 100th anniversary of the National Columbus Memorial outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012. (Barbara L. Salisbury/The Washington Times)

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The Knights of Columbus hold their swords out as people present wreaths during a ceremony celebrating the 100th anniversary of the National Columbus Memorial outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012. (Barbara L. Salisbury/The Washington Times)

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Audience members hold their hands over their hearts while saying the Pledge of Allegiance as the U.S. Marine Corps Honor Guard holds the flags during a celebration commemorating the 100th anniversary of the National Columbus Memorial outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012. (Barbara L. Salisbury/The Washington Times)

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Eddie Oxford Jr., the color corps commander for Washington Assembly 151 of the Knights of Columbus, practices brandishing his sword before the ceremony honoring the 100th anniversary of the National Columbus Memorial outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012. (Barbara L. Salisbury/The Washington Times)

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Members of the Knights of Columbus process to the National Columbus Memorial outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012 for a ceremony commemorating the 100th anniversary of the memorial. (Barbara L. Salisbury/The Washington Times)

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Members of the Knights of Columbus hold American flags at the base of the National Columbus Memorial with its statue of Christopher Columbus during a ceremony honoring the memorial's 100th anniversary outside of Union Station in Washington, D.C. on Columbus Day, Monday, Oct. 8, 2012. (Barbara L. Salisbury/The Washington Times)

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D.C. Mayor Vincent C. Gray and congressional Delegate Eleanor Holmes Norton join officials from Amtrak and representatives from Akridge developers to announce the Washington Union Station Master Plan at Union Station on Wednesday in the District. The proposed development is still in the initial planning stages. (Raymond Thompson/The Washington Times)

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In a letter dated Dec. 22 to Transportation Department Inspector General Calvin L. Scovell III, D.C. Delegate Eleanor Holmes Norton, a Democrat, requested the audit because there is no master plan to oversee the major changes at Union Station. (Rod Lamkey Jr./The Washington Times)