Active volcanoes, like Rainier and Baker, dominate Washington's western half, and Columbia flood basalt covers much of the eastern half, but scattered here and there are other equally amazing rocks and features that make the Evergreen State one of the most geologically interesting places in the entire country. With this book as your guide, you can find limestone caves, billion-year-old gneiss, glacial moraines, petrified forests, fossilized palm leaves, upside-down sandstone beds, and ancient landslides. Or you can explore the mind-boggling canyons, waterfalls, and scabland carved by the torrential Missoula Floods, check out the glacially...