Ice Age cataclysms violently transformed the Northwest thousands of years ago, leaving behind scores of flood features, many found nowhere else on Earth. The sheer enormity of the Ice Age floods is mind-boggling. The floods helped gouge out Idaho¿s largest and deepest lake, Pend Oreille, and sculpted the weird topography of eastern Washington.Following up on his first volume, On the Trail of the Ice Age Floods: A geological field guide to the Mid-Columbia Basin, geologist Bruce Bjornstad joined forces with colleague Eugene Kiver to guide readers upstream ¿ northward into the Channeled Scabland and northern Idaho. The authors explore numerous flood features and present dozens of trails and tours directing readers to experience, firsthand, the striking aftermath of the Ice Age floods.--Explanations of 19 types of landforms--Guides to 65 flood-formed features--Thirty-nine hiking and biking trails--Five driving tours and two aerial toursBoth volumes of On the Trail of the Ice Age Floods make ideal companions when exploring the Ice Age Floods National Geologic Trail, named one of ¿The 10 Most Spectacular Geologic Sites¿ in the continental United States by Smithsonian Magazine.Illustrated with 400 maps, schematics, photos and illustrations, including 32 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.