John Baker drives his dog team up the Yukon River towards the 

John Baker drives his dog team up the Yukon River towards the Iditarod checkpoint in  Anvik, Alaska on Friday, March 8, 2013,  during the Iditarod Trail Sled Dog Race. (AP Photo/Anchorage Daily News, Bill Roth)
Associated Press
John Baker drives his dog team up the Yukon River towards the Iditarod checkpoint in Anvik, Alaska on Friday, March 8, 2013, during the Iditarod Trail Sled Dog Race. (AP Photo/Anchorage Daily News, Bill Roth)
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