Wikimedi'Òc

Blue Hen Falls.jpg - Flickr upload bot

Cuyahoga Valley National Park 08.jpg - Niagara66

Maxville Limestone (Mississippian; Pleasant Valley LImestone Quarry, Muskingum County, Ohio, USA) 2 (44024806755).jpg - Ser Amantio di Nicolao

Jonathan Creek (north-northwest of Fultonham, Ohio, USA) 3 (27978363154).jpg - Ser Amantio di Nicolao

Sandstone talus below Broken Rock Falls (Old Man's Cave Gorge, Hocking Hills, Ohio, USA).jpg - Ser Amantio di Nicolao