A tour through Washington, Idaho, & western Montana, to the Channeled Scablands, a unique feature of Earth’s surface formed by the bursting of an Ice Age glacial dam and the ensuing gigantic flood. It is a story of scientific sleuthing and intrigue, and led to an understanding the surface of Mars. John Soennichsen, author of Bretz’s Flood, the biography of the scientist who unraveled the mystery, provided a unique perspective on the trip.

свернуть