Geologic units in Powell county, Kentucky

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 41 % 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

Breathitt Formation, lower part (Pennsylvanian) at surface, covers 18 % of this area

lower part which includes Livingston Conglomerate Member of Lee Formation in eastern Rockcastle County

New Albany, Chattanooga, and Ohio Shales, Boyle Dolomite (Limestone), and Sellersburg Limestone, undivided (Devonian to Mississippian) at surface, covers 14 % of this area

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

Alluvium (Pleistocene to Holocene) at surface, covers 8 % of this area

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

Corbin Sandstone Member of Lee Formation (Pennsylvanian) at surface, covers 7 % of this area

Corbin Sandstone Member of Lee Formation

Pennington Formation and Newman Limestone (Mississippian) at surface, covers 7 % of this area

Pennington Formation and Newman Limestone; includes Carter Caves Sandstone in Carter County and vicinity

Newman Limestone (Mississippian) at surface, covers 3 % of this area

Newman Limestone

Crab Orchard Formation and Brassfield Dolomite, undivided (Silurian) at surface, covers 2 % of this area

Crab Orchard Formation and Brassfield Dolomite, undivided; locally includes Bisher Dolomite in Estill County

Drakes Formation (Ordovician) at surface, covers 0.7 % of this area

Drakes Formation