2 "Ficheiro:Shatterconed_sandstone_(Serpent_Mound_Impact_Structure,_southern_Ohio,_USA)_7.jpg".

Ficheiro:Shatterconed sandstone (Serpent Mound Impact Structure, southern Ohio, USA) 7.jpg

at URL: https://www.flickr.com/photos/jsjgeology/50591661531/ operator: Flickr URL: https://live.staticflickr.com/65535/50591661531_41e783ff59_o.jpg...

Ficheiro:Straight Creek (Serpent Mound Impact Structure, southern Ohio, USA) 7.jpg

(Serpent Mound Impact Structure, southern Ohio, USA) 7.jpg English: This creek is near the northeastern rim of the deeply eroded Serpent Mound Impact Structure...

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