Geologic units in Barren county, Kentucky

Ste. Genevieve and St. Louis Limestones, undivided (Mississippian) at surface, covers 42 % of this area

Ste. Genevieve and St. Louis Limestones, undivided; includes Salem Limestone west of Christian County

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 26 % of this area

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided

Salem, Warsaw, and Harrodsburg Limestones, undivided (Mississippian) at surface, covers 24 % of this area

Salem, Warsaw, and Harrodsburg Limestones, undivided

Alluvium (Pleistocene to Holocene) at surface, covers 5 % of this area

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

Rocks of Chesterian age, lower part (Upper Mississippian) at surface, covers 2 % of this area

Rocks of Chesterian age, lower part

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers 0.9 % of this area

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided (Silurian) at surface, covers < 0.1 % of this area

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided