Noah in the Navajo: Conversation with a Geologist in Zion National Park

by John McLarty, March 10, 2016:    In May, 2014, I was hiking the Zion Canyon Overlook Trail with geologist Gerry Bryant. Zion National Park’s iconic cliffs of cross-bedded sandstone inspire wonder, of course. They also pose commanding questions. Where did all that sand come from? How did it end up here in southern Utah? What […]