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09/09/2010 11:32 am ET Updated May 25, 2011

Yellowstone Has Record-Breaking Summer Attendance

CHEYENNE, Wyo. -- This species in Yellowstone National Park is appearing in greater numbers than ever before -- people.

More than 2.5 million of them visited the world's first national park over the June, July and August summer season. That's up by more than 200,000 compared with summer 2009, putting Yellowstone on track to set another attendance record. Nearly 3.3 million people visited during all of 2009, topping the previous record set in 2007 by nearly 5 percent.

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