Ask anyone who’s been around Grand Canyon for a while about Georgie White Clark and they’ll have a story to tell you. Retired river historian Roy Webb remembers meeting Clark at Lees Ferry in 1986. She was 76 at the time. “There was this massive rubber boat on the ramp, a giant pile of ropes and rubber. This lady popped up out of the back and said, ‘What are you looking at?’” Webb says.

Read the full story on Georgie White at Outside Online and be sure to check out their full interactive package on the Grand Canyon, called The Greatest Show on Earth.