Colorado Caves details the discovery, exploration, history, scientific study, surveying, commercial development, conservation, and photography of the state's unique collection of caves. And for those inspired to venture underground, listings of caves open for public tours are provided. Enter a world where few people dare to go. Paperback. By Richard J. Rhinehart, David Harris (Photographer) 136 pages. 2001.
 "Colorado Caves: Hidden Worlds Beneath the Peaks")
