It’s all about the Timing, Topography and [Rock] Type
The Wenatchee Valley Erratics, Ice Age Floods Institute’s next program will be on Tuesday, October 11 at 7:00 PM at the Wenatchee Valley Museum and Cultural Center. Brent Cunderla, long-time Erratics’ president, will discuss “It’s all about the Timing, Topography and Type.”Timing of the Pleistocene Cordilleran Ice Sheet with topography (Purcell Trench in northern Idaho, and the Okanogan Valley) allowed blockage-forming glacial lakes. Ice dams created Glacial Lakes Missoula and Columbia. Break-up of ice dams caused lake flood waters to […]