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Andy D Duncan: _ADP1659_20090612
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Andy D Duncan: Sandstone Boulders, Goblin Valley, Utah, 2009
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Andy D Duncan: Goblin Valley, Utah, 2009
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Andy D Duncan: Sandstone Erosion, Goblin Valley, Utah, 2009
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Andy D Duncan: Goblin Valley, Utah, 2009
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Andy D Duncan: Goblin Valley, Utah, 2009
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Andy D Duncan: Goblin Valley, Utah, 2009
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Andy D Duncan: Goblin Valley, Utah, 2009
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Andy D Duncan: Goblin Valley, Utah, 2009
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Andy D Duncan: The Great Gallery, Horseshoe Canyon, Utah, 2009
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Andy D Duncan: The Great Gallery, Horseshoe Canyon, Utah, 2009
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Andy D Duncan: Sandstone
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Andy D Duncan: Buckhorn Wash Rock Art