Charred wood caught between layers of lava, indicating that there was enough time elapsed between flows to allow vegetation to grow on or around the older flow.
Geology -- Washington (State); Waterfalls; Volcanic rock; Canyons
Photo of Dry Falls, a dry cliff that stands 400 ft. high and 3.5 miles wide. Dry Falls is a feature of Grand Coulee Canyon, which is part of the channeled scablands of eastern Washington.