<p>Donn Dennis, left, of Dalton Gardens, and Alan Deyo, of Orofino, start their dirt motocycle journey in Southern Idaho near Preston.</p>
August 8, 2013
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August 8, 2013 9 p.m.
Back country adventure
Dalton Gardens man, 71, and friend complete 1,600-mile dirt bike ride from southern Idaho to Canadian border
Even at 71, Donn Dennis thrives on challenges on his dirt motorcycle.