Colleen O'Connor Olson

Colleen O'Connor Olson has been guiding tours at Mammoth Cave National Park for over twenty years. She is the author of Scary Stories of Mammoth Cave , Nine Miles to Mammoth Cave: The Story of the Mammoth Cave Railroad , Mammoth Cave by Lantern Light, and Prehistoric Cavers of Mammoth Cave .

Colleen O'Connor Olson has been guiding tours at Mammoth Cave National Park for over twenty years. She is the author of Scary Stories of Mammoth Cave , Nine Miles to Mammoth Cave: The Story of the Mammoth Cave Railroad , Mammoth Cave by Lantern Light, and Prehistoric Cavers of Mammoth Cave . See less