Join us for Ruby U: “Nick on the Rocks” on Thursday, May 23 at 7 pm co-sponsored by the Lake Chelan Museum.  Nick Zentner, popular presenter of PBS show “Nick on the Rocks” will be here to delight us with information on the geological wonders of our region. Nick’s focus will be “The Spokane Flood: Older than the Missoula Floods?”    Free admission. Doors open at 6:15 pm.