Wikimedi'Òc

WheelerGACO.jpg - GDK

Dotsero LeeSiebert 081066.jpg - File Upload Bot (Magnus Manske)

NPS rocky-mountain-geologic-map.jpg - RKBot

North Clear Creek Falls (Hinsdale County, Colorado).JPG - Jeffrey Beall

Volcanic tuff (near Cripple Creek, Colorado, USA) 2.jpg - Ser Amantio di Nicolao

Volcanic tuff (near Cripple Creek, Colorado, USA) 1.jpg - Ser Amantio di Nicolao

View from Colorado State Highway 149.JPG - Jeffrey Beall

A mountain of tuff and Colorado State Highway 149.JPG - Jeffrey Beall

Forest Road 520.JPG - Jeffrey Beall

Tuff in South Fork, Colorado.JPG - Jeffrey Beall

Tuff in South Fork, Colorado-3.JPG - Jeffrey Beall

Tuff in South Fork, Colorado-2.JPG - Jeffrey Beall

Mountain near Williams Creek Reservoir.JPG - Jeffrey Beall