By the numbers: Presidential libraries

Published On: Apr 25 2013 02:15:01 PM CDT   Updated On: Apr 30 2013 01:18:40 PM CDT

Former president George W. Bush was joined by every living president for the dedication of the George W. Bush Presidential Center in Dallas today. Take a look at images of the center as well as a by-the-numbers look at other presidential libraries.

Sikorsky VH 3A Sea King helicopter, Nixon
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6 tons - Weight of the Sikorsky VH 3A "Sea King" helicopter that is on display at the Richard Nixon Presidential Library and Museum in Yorba Linda, California. Nixon made his final flight on it after his resignation on August 9, 1974.

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