Wikimedi'Òc

New Providence Shale over New Albany Shale (Mississippian over Devonian; MacDonald Knob Outcrop, Bullitt County, Kentucky, USA) 2 (45178100994).jpg - Ser Amantio di Nicolao

Interbedded shale and limestone (upper Cave Branch Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, USA) 2 (46376599091).jpg - Ser Amantio di Nicolao

Chattanooga Shale (Upper Devonian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 32 (27479329187).jpg - Ser Amantio di Nicolao