Geologic units in Hardin county, Kentucky

Ste. Genevieve and St. Louis Limestones, undivided (Mississippian) at surface, covers 58 % of this area

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

Rocks of Chesterian age, lower part (Upper Mississippian) at surface, covers 21 % of this area

Rocks of Chesterian age, lower part

Salem, Warsaw, and Harrodsburg Limestones, undivided (Mississippian) at surface, covers 9 % 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

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 4 % 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

Renfro and Muldraugh Members of Borden Formation and Fort Payne Formation, undivided (Mississippian) at surface, covers 2 % of this area

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

Sandstone member of the Mooretown Formation (Mississippian) at surface, covers 0.6 % of this area

Sandstone member of the Mooretown Formation

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers < 0.1 % of this area

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

Borden Group (Mississippian) at surface, covers < 0.1 % of this area

Mostly siltstone; lenses of crinodial limestone in upper part. Much cherty and silty limestone and dolomite in northwest. NP, top of New Providence Shale

Glacial deposits, undifferentiated (Pleistocene to Holocene) at surface, covers < 0.1 % of this area

Glacial deposits, undifferentiated; shown locally