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Glacial Drift Quartzite
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Big Spring at Lake Scott State Park
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Brownville Limestone Member
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Pleistocene Caliche Deposits
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Sandstone Concretions
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Mushroom Rock State Park
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Monuments Rocks
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Deep Creek Below Pillsbury Crossing
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Loess Exposure
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Elephant Rock (now collapsed) and Nearby Formations
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Elephant Rock (now collapsed)
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Niobrara Chalk Outcrops
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Cobra and Castle Rock
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Monument Rocks
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Monument Rocks
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Crossbedded Sandstone and Silt
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Mushroom Rock State Park
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Crossbedded Concretions at Rock City
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