Driving across I-70 in southern Utah one can't help but wonder about the magnificent upturned rocks of the San Rafael Reef. With A Travelers Guide to the Geology of the Colorado Plateau in hand, you'll soon discover that you were driving through Page and Navajo Sandstone formations, sharply folded into a monocline along one of the "Basin and Range" fault lines. Nearing Flagstaff, Arizona, on Highway 89, you will learn that Mt. Humphry of the San Francisco Peaks, a Navajo Sacred Mountain, was once an active volcano. Keep reading and you'll find many things worth a slight detour. A Traveler's Guide to the Geology of the Colorado Plateau will enrich and enliven all of your trips through the varied landscapes of the Colorado Plateau as you learn about the geological forces that have shaped its natural features. The mile-by-mile road logs will take you from Vernal, Utah, in the north to the southernmost reaches of the Plateau in Sedona, Arizona; from the red rocks of Cedar Breaks National Monument near Cedar City, Utah, to the edges of the soaring peaks of the San Juan Mountains near Durango, Colorado. The most comprehensive geological guide to the Colorado Plateau