Geologic units in Lee county, Kentucky

Breathitt Formation, lower part (Pennsylvanian) at surface, covers 77 % of this area

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

Corbin Sandstone Member of Lee Formation (Pennsylvanian) at surface, covers 13 % of this area

Corbin Sandstone Member of Lee Formation

Pennington Formation and Newman Limestone (Mississippian) at surface, covers 6 % of this area

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

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 3 % 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

Alluvium (Pleistocene to Holocene) at surface, covers 2 % of this area

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