Narrower Terms (9)

• Aux Vases Formation
• Breathitt Formation (Ky. and Tenn.)
• Camp Nelson Limestone (Ky.)
• Capitol Metabentonite (Ky.)
• Center Hill Metabentonite
• Louisville Limestone (Ky. and Ind.)
• New Albany Shale (Ind. and Ky.)
• Ohio Shale
• Olentangy Shale