On the Trail of the Ice Age Floods

Geologist Bruce Bjornstad has written the most comprehensive guide book yet to the incredible landforms scoured out by the Ice Age floods in the Mid-Columbia Basin. His new book, On the Trail of the Ice Age Floods: A geological field guide to the Mid-Columbia Basin, explores the origins, timing and frequency of the Ice Age floods and describes each of 19 geologic features they left behind. It is also an exciting field guide to features, trails and tours in the Mid-Columbia Basin where we may witness today the awesome power of the ancient floods. Illustrated with more than 200 maps, schematics, photos and illustrations, including 16 pages of color plates, On the Trail of the Ice Age Floods provides a clear, concise and easily useable guide to the remarkable geologic record of the great Ice Age floods.