Windows Into The Earth

Robert B. Smith and Lee J. Siegel. Learn about the Yellowstone hotspot, a 125-mile deep plume of hot rock directly beneath Yellowstone National Park that powers its thermal features and shapes its scenic wonders. Discover how the magnificent landscape of Yellowstone and the Tetons has been shaped over time by various geologic processes, then explore these two national parks as you follow the detailed three-day driving tour guide included in this book. 2000. 242 pages. 8 x 10".