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A416, Fantasy Canyon, Utah, USA, wide view from above, 2016.jpg - Brian W. Schaller
Chert nodule (Green River Formation, Eocene; Temple Hill, east of Manti, Utah, USA) 3 (49057798987).jpg - Ser Amantio di Nicolao
Porphyritic phonolite (Eocene, 49 Ma; Devils Tower, northeastern Wyoming, USA) 2.jpg - Ser Amantio di Nicolao
Galisteo Formation.jpg - Kent G. Budge
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