An Interview With A Geology Professor In The Grand Canyon

Recorded on location at the bottom of The Grand Canyon with Dr. Karl Karlstrom, professor of Geology in the department of earth & planetary sciences at The University of New Mexico. Karl is a professional climber who has been working in the Grand Canyon for over three decades. Karl was directly involved with the creation of the Grand Canyon South Rim's "Trail of Time". Karl has been featured on numerous films TV shows featuring the Grand Canyon.