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| Quelle: Fotos: http://www.nps.gov/archive/yell Foto 1: Basalt columns at Overhanging Cliff; Rosalie LaRue; 1976 Foto 2: olumnar basalt flows across canyon from Overhanging Cliff; Photographer unknown; 1963 Foto 3: Basalt flows near Tower Falls; Rosalie LaRue; 1976 |
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Kategorie: 
Alle Naturerscheinungen Vulkane - Vulkanische Begriffe
Basalt - Fotos |
