June 02, 2017

Contact: Communications Office

Annual Rock Swap planned June 9-11 at Missouri Mines State Historic Site

JEFFERSON CITY, MO, JUNE 2, 2017 – The 20th annual Rock Swap will be held June 9-11 at Missouri Mines State Historic Site in Park Hills. Sponsored by Missouri State Parks, the free event will be held from 9 a.m. to 6 p.m. Friday and Saturday and from 9 a.m. to 4 p.m. Sunday.

The event will bring together rock hobbyists from across the Midwest. Participants will be selling, swapping or buying rock and mineral specimens, fossils, rock jewelry and other rock-related items. There is no charge for the public to attend the event.

During the three-day event, there will be free admission to the historic site museum, which interprets Missouri’s mining history and displays restored mining machinery and an outstanding mineral collection.

The event is co-sponsored by the Mineral Area Gem and Mineral Society and the Greater St. Louis Association of Earth Science Clubs.

Missouri State Parks is celebrating 100 years in 2017.  Visitors can experience all the park system has to offer with the Centennial Passport. Visit for more information. 

Missouri Mines State Historic Site is located in Park Hills on the south side of Hwy. 32 at the Flat River Drive overpass, 1.5 miles west of U.S. Hwy. 67. For more information about the event, call the site at 573-431-6226. For more information on state parks and historic sites, visit Missouri State Parks is a division of the Missouri Department of Natural Resources.