Wikimedi'Òc

Bird tracks on sand-and-pebble beach (southern shore of Kelleys Island, Lake Erie, Ohio, USA) 3 (48655704293).jpg - Ser Amantio di Nicolao

Folded dolostones and argillaceous beds (Tymochtee Dolomite, Upper Silurian; South Bass Island, Lake Erie, Ohio, USA) 3 (48633059132).jpg - Ser Amantio di Nicolao

Carbonate gravel beach (South Bass Island, Lake Erie, Ohio, USA) 4 (48633791811).jpg - Ser Amantio di Nicolao

Jonathan Creek (north-northwest of Fultonham, Ohio, USA) 1 (27979541103).jpg - Ser Amantio di Nicolao

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

Pseudofulgurite (near Centerburg, Ohio, USA) 12.jpg - Ser Amantio di Nicolao