Marge Ward, 93, tries out the zipline ride at Rainbow Glacier Camp Saturday during an open house. Friend Doris Ward, 88, also took a ride on the zipline. “I was ready to go,” Doris said. “It took a long time to get harnessed in and a lot of kids wanted to do it. That made me nervous, but it was fun. I’m glad I did it.” Doris said she and Marge heard about the zipline…