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Dakota Sandstone Outcrops
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Trail to Rocktown Cove at Wilson Lake
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Rocktown Cove at Wilson Lake
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Spalled Ogallala Formation Mortar Beds
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Niobrara Chalk and Shale Banded Badlands
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Soule Canal (Soule's Folly) and Santa Fe Trail Ruts (Aerial)
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Sand Pit in Sand Hills (Aerial)
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Geoarchaeologists on Big Blue River Bank
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Buffalo Mound
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Chalk Beds Near Castle Rock
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Stabilized Dunes (Aerial)
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Ogallala Formation Outcrop at Clark State Fishing Lake
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Dunes over Glacial Drift
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Slope Collapse in Blue Hill Shale
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Floodwater Cutoff Meander on Stranger Creek (Aerial)
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Geoarchaeology Excavation Site
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Santa Fe Trail Marker
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Wild Turkey Playa
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