Via the TribLocal:

The Des Plaines Geological Society‘s annual show will be held on April 9-10 at the Des Plaines Park District Leisure Center at 2222 Birch St Des Plaines Il. Show hours are: Saturday 9:30-5:00 and Sunday 10:00-4:00. Admission Adults $3 Seniors $2 Students w/ID $1 Children under 12 free with adult. There will be fine gem and jewelry dealers, kid’s room, live demonstrations, educational exhibits,food, door prizes, raffles and a silent auction. Lazzardo museum will have a display. Parking is free. Contact Lois Zima at 847 298-4653 for informaition or directions.