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Cet album fait partie des albums
Cet album photos contient les sous-albums suivants :
A468, Newberry National Volcanic Monument, Oregon, USA, Big Obsidian Flow, detail of cracked obsidian, 2016.jpg - Brian W. Schaller
Pumice (Holocene, ~7550-7760 a; Route 138 roadcut southeast of Clearwater, Oregon, USA) 3.jpg - Ser Amantio di Nicolao
Pumice (Holocene, ~7550-7760 a; Route 138 roadcut southeast of Clearwater, Oregon, USA) 4.jpg - Ser Amantio di Nicolao