Geologic units in Nelson county, Kentucky

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

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided (Silurian) at surface, covers 20 % of this area

Laurel Dolomite, Osgood Formation, and Brassfield Dolomite, undivided

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers 18 % of this area

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

Drakes Formation (Ordovician) at surface, covers 13 % of this area

Drakes Formation

Wildie, Nada, Halls Gap, Holtsclaw Siltstone, Cowbell, Nancy, Kenwood Siltstone, New Providence Shale, Sunbury Shale, Berea Sandstone, and Bedford Shale, undivided; Borden Formation locally includes Renfro Member in eastern Kentucky (Devonian to Mississippian) at surface, covers 7 % of this area

Wildie, Nada, Halls Gap, Holtsclaw Siltstone, Cowbell, Nancy, Kenwood Siltstone, New Providence Shale, Sunbury Shale, Berea Sandstone, and Bedford Shale, undivided; Borden Formation locally includes Renfro Member in eastern Kentucky

Garrard Siltstone and Kope and Clays Ferry Formations, undivided (Ordovician) at surface, covers 7 % of this area

Garrard Siltstone and Kope and Clays Ferry Formations, 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

Louisville Limestone and Waldron Shale, undivided (Silurian) at surface, covers 3 % of this area

Louisville Limestone and Waldron Shale, undivided

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 1 % 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 1.0 % of this area

Salem, Warsaw, and Harrodsburg Limestones, undivided