Bretz's Flood: The Remarkable Story of a Rebel Geologist and the World's Greatest Flood

The land between Idaho and the Cascade Mountains is characterized by gullies, coulees, and deserts—in geologic terms, it is a wholly unique place on the earth. Legendary geologist J Harlen Bretz, starting in the 1920s, was the first to explore the area. Bretz, a former science teacher at Franklin High School in Seattle and then a professor at the University of Washington and later the University of Chicago, eventually formed the theory that the land was scoured in a virtual instant by a massi…