Free Images: "bestof:Exogyra costata Prairie Bluff Fm Maastrichtian.JPG en Exogyra costata from the Prairie Bluff Formation Maastrichtian exposed in Starkville Mississippi"
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Exogyra costata Prairie Bluff Fm Maastrichtian.JPG
Prairie Bluff Chalk Formation Starkville MS 052510.JPG
Entobia Prairie Bluff Chalk Formation Cretaceous.JPG
Exogyracostata.JPG
Maastrichtian Ripley Formation rockground near Greenville, Alabama.JPG
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Alum Bluff Group.png
Modoc Rock Shelter.jpg
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Sentinel Ridge at Wyalusing Park.jpg
St Peters Sandstone Pacific MO 5-med.jpg
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StateLibQld 2 232874 Buchanans Fort above Lamington Glen.jpg
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Sandstones at West Pymble.jpg
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REMNANT_OF_THE_TALLGRASS_PRAIRIE_WHICH_ONCE_FLOURISHED_IN_THE_NORTHEAST_CORNER_OF_KANSAS_IS_SEEN_OVERLOOKING_THE..._-_NARA_-_557111.jpg
St Peters Sandstone Pacific MO 1-med.jpg
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VicksburgBlockade.jpg
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The_Quarterly_journal_of_the_Geological_Society_of_London_(13365718154).jpg
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