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Teton region in the Lower Cambrian.jpg - Mav
Precambrian-Cambrian nonconformity (Sawatch Sandstone over Pikes Peak Granite; Ute Trail, Manitou Springs, Colorado, USA) 3.jpg - Ser Amantio di Nicolao
Precambrian-Cambrian nonconformity (Sawatch Sandstone over Pikes Peak Granite; Ute Trail, Manitou Springs, Colorado, USA) 20.jpg - Ser Amantio di Nicolao
Precambrian-Cambrian nonconformity.JPG - Jeffrey Beall
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