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Associated Press
This undated handout photo provided by the Smithsonian Institutions shows the current Dinosaur Hall at the Smithsonian's Museum of Natural History. Energy businessman David H. Koch  is donating a record $35 million to the Smithsonian’s National Museum of Natural History to build a new dinosaur hall on the National Mall. The Smithsonian is announcing the gift Thursday from the executive vice president of Koch Industries Inc. of Wichita, Kan. It is the single largest gift in the museum’s 102-year history. (AP Photo/Chip Clark, Smithsonian Institution)

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