Siouxland Gem and Mineral Society Saturday, October 1, 2022 9:00 AM 09:00 Sunday, October 2, 2022 4:00 PM 16:00 Cottonwood Inn and Conference Center 4401 Dakota Avenue South Sioux City, NE, 68776 United States (map) Google Calendar ICS Saturday 9 am to 4 pmSunday 10 am to 4 pm