Despite her remarkable fortitude in the face of previous ordeals and hardships, 32-year-old Nelka de Smirnoff nearly reached her limit during her 1910 horseback ride to Rainbow Natural Bridge. The daughter of Count Theodor de Smirnoff, a Russian nobleman, and Nellie Blow, a wealthy St. Louis socialite, she had experienced the best of both American and European culture while growing up. When she was 25, she volunteered to serve with the French Red Cross as a nurse to soldiers wounded in the war between Russia and Japan. A year later she joined the Russian Red Cross and dealt with the horrific effects of war to the injured men she treated. But the stamina she gained through those trying situations was barely sufficient for the challenges that confronted her on the Rainbow Bridge trail…