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theorem: Old Faithful
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theorem: Canyonlands
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theorem: Geyser Eruption
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theorem: Grand Tetons
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theorem: Yellowstone Hoodoo
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theorem: Tree and Moon
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theorem: Elephant Springs
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theorem: Bacteria Mat
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theorem: Highway 50 Infrared
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theorem: America's Loneliest Phone
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theorem: Mine Entrance in Colorado
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theorem: Night time in Zion
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theorem: Canyonlands Arch
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theorem: Shoe Tree, Nevada
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theorem: Superfund #1