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View of Wildcat Canyon from Castle Rock
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Monument Rocks
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Chalk and Shale Formations
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Ogallala Cap on Niobrara Chalk
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Niobrara Chalk Near Castle Rock
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Spalled Chalk Near Castle Rock (2008)
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Sandstone Concretions at Rock City
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Eroded Greenhorn Limestone and Graneros Shale
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Collapsed Natural Bridge
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Collapsed Chalk Monument
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Base of Sphinx after Collapse
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Red Hills
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Collapsed Natural Bridge
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Little Basin
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Diatomaceous Marl Outcrops
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Castle Rock—South Side (1970)
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Monument Rocks
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Limestone Farmhouse and Glacial Boulders
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