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Navajo Sandstone (Lower Jurassic) over Kayenta Fm. (Upp. Triassic-Low. Jurassic), Pine Creek Canyon, Zion National Park, sw Utah 12.jpg - Ser Amantio di Nicolao
Navajo Sandstone (Lower Jurassic) over Kayenta Fm. (Upp. Triassic-Low. Jurassic), Pine Creek Canyon, Zion National Park, sw Utah 17.jpg - Ser Amantio di Nicolao
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