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1000 feet deep
series of lava flows
rocky mountains
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thermal activity
rhyolite of different iron compounds
result of erosion
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geyser basin
1114 km long
94 m high
308 feet high
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692 miles long
canyon geology
canyon eroded by river
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downstream
304 m deep
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tributary of missouri river
colors of hydrothermal alteration
grand canyon of the yellowstone
turquois colors
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western united states
wyoming
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308 feet
yellows iron present in rock
nature
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