Wikimedi'Òc

Upper Mercer Flint & Upper Mercer Limestone (Middle Pennsylvanian; roadcut along Mollies Rock Road, Muskingum County, Ohio, USA) 3 (17257539456).jpg - Ser Amantio di Nicolao

Lowellville Shale (Lower Pennsylvanian; Beach City Dam outcrop, northeastern Ohio, USA) 6 (24551191403).jpg - Ser Amantio di Nicolao

Middle Mercer Coal below the Lower Mercer Limestone (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 2 (33246863795).jpg - Ser Amantio di Nicolao

Middle Mercer Clay (Middle Pennsylvanian; Rt. 16 roadcut near Trinway, Ohio, USA) 1 (33097389782).jpg - Ser Amantio di Nicolao

Current-aligned carbonized plant fossils in siliciclastics (above the Lower Mercer Limestone, Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 10 (33560060913).jpg - Ser Amantio di Nicolao

Mississippian-Pennsylvanian unconformity ("Sharon" Conglomerate over Logan Formation; Jackson North roadcut, Ohio, USA) 24 (37477840256).jpg - Ser Amantio di Nicolao

Mississippian-Pennsylvanian unconformity ("Sharon" Conglomerate over Logan Formation; Jackson North roadcut, Ohio, USA) 26 (36856617663).jpg - Ser Amantio di Nicolao

Conglomerate (Sharon Formation, Lower Pennsylvanian; Virginia Kendall Ledges, Ohio, USA) 5 (42511393205).jpg - Ser Amantio di Nicolao

Pottsville Group over Maxville Limestone (Black 17 Mine, White Cottage, Ohio, USA) 2 (44280257345).jpg - Ser Amantio di Nicolao

Carbonaceous shale (Pottsville Group, Lower Pennsylvanian; Jackson North Outcrop, Jackson County, Ohio, USA) 2 (30852216157).jpg - Ser Amantio di Nicolao

Sandstone over carbonaceous shale (Pottsville Group, Lower Pennsylvanian; Jackson North Outcrop, Jackson County, Ohio, USA) (45791711101).jpg - Ser Amantio di Nicolao

Lower Mercer Shale-Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 3 (37315212842).jpg - Ser Amantio di Nicolao

Lower Mercer Limestone-Middle Mercer Coal (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) (37088933160).jpg - Ser Amantio di Nicolao

Lower Mercer Limestone & Boggs Member (Middle Pennsylvanian; Rock Cut, Muskingum County, Ohio, USA) 2 (23529617358).jpg - Ser Amantio di Nicolao

Middle Mercer Coal under Lower Mercer Limestone (Middle Pennsylvanian; Frazeysburg Pit, Muskingum County, Ohio, USA) (41378290895).jpg - Ser Amantio di Nicolao

Pleasant Valley Limestone Quarry (Muskingum County, Ohio, USA) 1 (44024805325).jpg - Ser Amantio di Nicolao

Pottsville Group over Maxville Limestone (Pleasant Valley Limestone Quarry, Muskingum County, Ohio, USA) 6 (30002342617).jpg - Ser Amantio di Nicolao