Wikimedi'Òc

Shales below sandstones (Vinton Member, Logan Formation, Lower Mississippian; Rt. 16 roadcut, northeast of Frazeysburg, Ohio, USA) 3 (12799976253).jpg - Ser Amantio di Nicolao

Shales below sandstones (Vinton Member, Logan Formation, Lower Mississippian; Rt. 16 roadcut, northeast of Frazeysburg, Ohio, USA) 6 (12799971923).jpg - Ser Amantio di Nicolao

Coarse-grained sandstone (Allensville Member, Logan Formation, Lower Mississippian; Fallsburg North Outcrop, Licking County, Ohio, USA) (29683695662).jpg - Ser Amantio di Nicolao

Sandstone-siltstone-shale (Vinton Member, Logan Formation, Lower Mississippian; Mohawk Dam roadcut, northwest of Nellie, Ohio, USA) 9 (32826497200).jpg - Ser Amantio di Nicolao

Sandstone-siltstone-shale (Logan Formation, Lower Mississippian; Jackson North roadcut, Ohio, USA) (37258055700).jpg - Ser Amantio di Nicolao

Shale-siltstone-sandstone (Logan Formation, Lower Mississippian; Jackson North roadcut, Ohio, USA) 3 (37258076820).jpg - Ser Amantio di Nicolao