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Monument Rocks
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Monument Rocks
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Methodist Camp at Lake Scott State Park
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Red Hills
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Waterfall over Limestone
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Chalk Bluffs South of Castle Rock
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Monument Rocks
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Inscribed Plow Disk and Ogallala Outcrop
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Little Basin
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Mission Creek at Echo Cliff
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Chalk Butte
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Large Quartzite Boulder
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Sioux Quartzite
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Red Eagle Limestone
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Sandstone Concretions at Rock City
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Cobra Rock (1970)
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Fossilized Wood in Outcrop
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Volcanic Ash Deposit
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