Mark Gherty skis the Birkie for his older sister Barbara Moore, left, who has Parkinson’s disease. Moore, a resident of Eugene, Ore., was planning to attend the 2012 Birkie with her younger sister Maureen Tuggle of Ames, Iowa, right, before her health took a turn for the worse. Submitted photo
Read the article: Mark Gherty will ski his 24th American Birkebeiner for his sister
