Geode Fest www.geodefest.org (this site has pictures from the previous Geode Fest, and offers another place to find forms and other information for next years event)

Teresa Rocks www.teresarocks.com (museum quality mineral specimens, fossils, geodes and other fine rocks) Pioneer of top quality Keokuk Geode collecting.

Cedar Valley Rocks & Minerals Society www.cedarvalleyrockclub.org