Geologic units in Owen county, Kentucky

Garrard Siltstone and Kope and Clays Ferry Formations, undivided (Ordovician) at surface, covers 62 % of this area

Garrard Siltstone and Kope and Clays Ferry Formations, undivided

Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided (Ordovician) at surface, covers 24 % of this area

Ashlock Formation, Grant Lake and Calloway Creek Limestones, and Fairview Formation, undivided

Lexington Limestone (Ordovician) at surface, covers 9 % of this area

Lexington Limestone

Alluvium (Pleistocene to Holocene) at surface, covers 4 % of this area

Alluvium; includes glacial deposits along the Ohio River and its tributaries west of Cannelton locks