Cedar Valley Rocks and Minerals Society Saturday, March 25, 2023 8:30 AM 08:30 Sunday, March 26, 2023 4:00 PM 16:00 Hawkeye Downs Expo Center, 4400 6th Street Southwest Cedar Rapids, IA, 52404 United States (map) Google Calendar ICS Hawkeye Downs Expo Center, 4400 6th St. SW, Cedar Rapids, IA8:30 -6:00 Saturday9:30-4:00 Sunday