Midwest United States Minerals
Click on Location Name for a selection of minerals from the specified location.
O'Neal Quarry, near Plymouth, Hancock County, Illinois
Dallas City Quarry, near Dallas City, Henderson County, Illinois and Gray's (Miller) Quarry, Hancock County, Illinois - also see the Collector Keokuk Geode Page for occasional offerings of geodes from Gray's Quarry
Biggsville Quarry, near Biggsville, Henderson County, Illinois
Linwood Mine, near Davenport, Scott County, Iowa
Keokuk, Iowa area Geodes: Whole (Un-opened) Opened Flats/Boxes Keokuk Geode Information