Marpolia spissa, 25 mm, Spence Shale Member of the Langston Formation, Utah
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We scrambled up the loose, shale slopes behind Little Egypt to connect with jeep roads
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Stephanocrinus angulatus, unusual coronoid echinoderm showing fine ornament from the Rochester Shale of Middleport, New York
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091905 shale.jpg
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Bark and Shale
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