GigaFlood: The Largest of the Lake Missoula Floods In Northwest Oregon and Southwest Washington Revised Second Edition

Covering a brief history of Glacial Lake Missoula and the factors leading to its creation and dam-bursting flood, GigaFlood follows the path of the largest of the Lake Missoula Floods, as its 540 cubic miles of water, 40 cubic miles of ice, 50 cubic miles of rock, sediment and debris tore down the Columbia River Gorge at speeds up to 65 miles per hour, and traces the influx and exit channels in the areas north and south of the Columbia River as it overflowed the Portland/Vancouver area as w...