Marine Trace Fossils in the Upper Jurassic Bluff Sandstone, Southeastern Utah
Marine Trace Fossils in the Upper Jurassic Bluff Sandstone, Southeastern UtahRobert Brett O'Sullivan
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Marine Trace Fossils in the Upper Jurassic Bluff Sandstone, Southeastern Utah

Marine Trace Fossils in the Upper Jurassic Bluff Sandstone, Southeastern Utah A Description of Newly Discovered Trace Fossils and Their Significance

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A description of newly discovered trace fossils and their significance.