Wayne RanneyA geologist, author, and guide, Wayne Ranney strives to share his appreciation of the earth and its geologic history with anyone who is curious about landscapes and how they formed. In 2000, he participated in the Symposium on the Origin of the Colordo River that included more than 70 geologists. His book, Carving Grand Canyon, won the Glyph Award from the Arizona Book Publishing Association and honorable mention from the National Outdoor Book Award. Read More Read Less