DescriptionTalus cone (Canyon de Chelly National Monument, Arizona, USA).jpg English: The walls of this Arizona canyon consist of Permian-aged De Chelly Sandstone...
at URL: https://www.flickr.com/photos/jsjgeology/51996864458/ operator: Flickr URL: https://live.staticflickr.com/65535/51996864458_9c413c7d1e_o.jpg...
DescriptionTalus cone (Canyon de Chelly National Monument, Arizona, USA) 2.jpg English: The walls of this Arizona canyon consist of Permian-aged De Chelly Sandstone...
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