A musher and dog team rest between the Rohn and Nikolai checkpoints 

A musher and dog team rest between the Rohn and Nikolai checkpoints in Alaska during the Iditarod Trail Sled Dog Race on Tuesday, March 5, 2013. (AP Photo/The Anchorage Daily News, Bill Roth)
Associated Press
A musher and dog team rest between the Rohn and Nikolai checkpoints in Alaska during the Iditarod Trail Sled Dog Race on Tuesday, March 5, 2013. (AP Photo/The Anchorage Daily News, Bill Roth)
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