Touring the Ice Age Floods of Washington, Part 2
After an evening watching the sandhill cranes, and a night of listening to coyotes we were back on the road from Potholes Reservoir heading north to see more pieces of the Ice Age Floods puzzle. Our first stop of the day was the Ephrata Fan. We were essentially working ‘upstream’ following the floods, and the Ephrata Fan is an alluvial fan of sorts where massive debris settled after being ripped out of the basalt as the Grand Coulee was formed. There is a mixture of house size basalt rocks and Volkswagen sized granite boulders spread out for miles across the fan. Yet another testament to the power and volume of water that these floods contained.
