Will I get paid for overtime? best rx promotions Rangers in Grand Teton National Park on Monday conducted what park officials are describing as a particularly difficult rescue operation to assist an injured hiker in Avalanche Canyon.Rangers aided Carol Nielsen, 61, of Boulder, Colo. after she sustained an unspecified injury Monday while hiking below the steep talus slope that runs from Lake Taminah to the bottom of Shosoko Falls in Avalanche Canyon.