Geologic units in Bradley county, Arkansas

Terrace deposits (Late Pleistocene) at surface, covers 46 % of this area

Alluvial deposits on one or more terrace levels

Alluvium (Holocene) at surface, covers 33 % of this area

Alluvial deposits of present streams

Jackson Group (Late Eocene) at surface, covers 12 % of this area

Jackson Group

Claibourne Group (Middle Eocene) at surface, covers 9 % of this area

Claibourne Group