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This Saturday, May 10, 2014 photo shows the newly repaired Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, a journalist photographs the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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In this Saturday, May 10, 2014 photo, a journalist photographs the Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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This Saturday, May 10, 2014 photo shows the newly repaired Washington Monument during a press preview prior to the re-opening of the monument, in Washington. With more than 150 cracks patched and repaired in its white marble, the Washington Monument is set to reopen for the first time since a 2011 earthquake caused widespread damage. (AP Photo/Molly Riley)

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FILE - In this March 21, 2012, file photo, with oil pump jacks as a backdrop, President Barack Obama speaks at an oil and gas field on federal lands in Maljamar, N.M. The government has failed to inspect thousands of oil and gas wells it considers potentially high risks for water contamination and other environmental damage, congressional investigators say. The report, obtained by The Associated Press before its public release, highlights substantial gaps in oversight by the agency that manages oil and gas development on federal and Indian lands. (AP Photo/Ross D. Franklin, File)

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In this Friday, May 9, 2014 photo, visitors sit on the grass in front of the Washington Monument after the fencing which closed it off to the public during renovations was removed, in Washington. The monument, which sustained damage from an earthquake in August 2011, will re-open to the public on Monday, May 12, 2014. (AP Photo/Charles Dharapak)

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In this Friday, May 9, 2014 photo, workers Julio Dichis, right, and Jose Oreyana remove the fencing which closed the Washington Monument off to the public during renovations Washington. The monument, which sustained damage from an earthquake in August 2011, will re-open to the public on Monday, May 12, 2014. (AP Photo/Charles Dharapak)

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This June 2, 2013, file photo shows a damaged stone on the Washington Monument at the 491-foot level of the scaffolding surrounding the monument, in Washington. The monument, which sustained damage from an earthquake in August 2011, reopened to the public on Monday, May 12, 2014. (AP Photo/Alex Brandon, File)

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In this Friday, May 9, 2014 photo, worker Julio Dichis removes the fencing which closed the Washington Monument off to the public during renovations, in Washington. The monument, which sustained damage from an earthquake in August 2011, will re-open to the public on Monday, May 12, 2014. (AP Photo/Charles Dharapak)

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FILE - In this June 2, 2013 file photo, Bob Collie, project manager with Perini Management Services, puts his finger in a crack of the Washington Monument at the 491-foot level of the scaffolding surrounding the monument, in Washington. The monument, which sustained damage from an earthquake in August 2011, will re-open to the public on Monday, May 12, 2014. (AP Photo/Alex Brandon, File)