St. Louis Limestone, Salem Formation, Warsaw Formation.
Keokuk Limestone, Burlington Limestone, Elsey Formation, Reeds Spring Formation, Pierson Limestone, Fern Glen Formation.
Alluvium - clay, silt, sand, and gravel.
Shale, clay, coal. Burgner Formation - limestone.
Meppen Limestone, Fern Glen Formation, and Burlington-Keokuk Limestone.
New Albany Shale, Blocher Shale, Sylamore Sandstone, Selmier Shale, Sweetland Creek Shale, Grassy Creek Shale, Saverton Shale, and Louisiana Limestone.
Glen Park Formation, Hannibal Shale, Chouteau Limestone, McCraney Limestone, Prospect Hill Siltstone, and Starrs Cave Limestone.