Geologic units in Caldwell county, Missouri

Kansas City Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 79 % of this area

Cyclic deposits, limestone and shale with minor sandstone and coal.

Pleasanton Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 16 % of this area

Dominantly shale and sandstone with minor coal.

Lansing Group (Late Pennsylvanian-Upper Series-Missourian Stage) at surface, covers 5 % of this area

Cyclic deposits of limestone and shale.