http://stream.publicbroadcasting.net/production/mp3/knau/local-knau-842720.mp3
Nobody knew the Grand Canyon better than Harvey Butchart did. Over four decades the NAU professor climbed, hiked, floated and bushwhacked 12 thousand pioneering miles below the rim. Here, commentator Scott Thybony tells the story of his last hike with the famous Canyon trailblazer.