Richard Waitt, who holds a doctorate in geology from the University of Washington, will give a lecture at the next Lake Lewis Chapter of the Ice Age Floods Institute meeting at 7 p.m. Tuesday in the auditorium at the Benton County PUD building, 2721 W. 10th Ave., Kennewick.
Waitt's lecture will focus on the Great Missoula Floods and other megafloods as well as the Wenatchee Reach of the Columbia.
He is a research geologist with the U.S. Geological Survey's Cascades Volcano Observatory in Vancouver, Wash. He has studied the Missoula floods and other megafloods for more than 30 years.
Admission is free and all ages are welcome.
For more information, call George Last, 509-946-8050.