International Speedway Corporation

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Jimmie Johnson holds his daughter Genevieve, left, before driving in the NASCAR Sprint Cup series auto race at Dover International Speedway, Sunday, June 1, 2014, in Dover, Del. (AP Photo/Molly Riley)

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Driver Jimmie Johnson holds his daughter Genevieve, right, before driving in the NASCAR Sprint Cup series auto race at Dover International Speedway, Sunday, June 1, 2014, in Dover, Del. (AP Photo/Molly Riley)

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Workers and officials repair the track surface during the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)