Kansas City Group
(Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 38 % of this area Cyclic deposits, limestone and shale with minor sandstone and coal.
Pleasanton Group
(Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 24 % of this area Dominantly shale and sandstone with minor coal.
Holocene series
(Quaternary-Holocene Series) at surface, covers 22 % of this area Alluvium - clay, silt, sand, and gravel.
Marmaton Group
(Middle Pennsylvanian-Middle Series-Desmonian Stage) at surface, covers 15 % of this area Cyclic deposits, shale and limestone with sandstone, clay and several coal beds, some workable.
Lansing Group
(Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 0.2 % of this area Cyclic deposits of limestone and shale.
