Few places in the nation rival Yosemite National Park for vertigo-inducing cliffs, plunging waterfalls, and stunning panoramic views of granite peaks. Many of the features that visitors find most tantalizing about Yosemite have unique and compelling geologic stories-tales that continue to unfold today in vivid, often destructive ways. While visiting more than twenty-seven amazing sites, you'll discover why many of Yosemite's domes shed rock shells like onion layers, what happens when a volcano erupts under a glacial lake, and why rocks seem to be almost continually tumbling from the region's cliffs. With a multitude of colorful photos and illustrations, and prose tooled for the lay reader, Geology Underfoot in Yosemite National Park will help you read the landscape the way a geologist does.The Geology Underfoot series encourages you to get out of your car for an up-close look at rocks and landforms. These books inform and enlighten, no matter how much-or how little-geology you already know. What's more, they're simply good reading, on-site or at home.