Search - marine trace fossils in the upper Jurassic Bluff sandstone , southern Utah

marine trace fossils in the upper Jurassic Bluff sandstone , southern Utah
marine trace fossils in the upper Jurassic Bluff sandstone southern Utah
Author: Robert B. O'Sullivan
Includes descriptions of newly discovered trace fossils and their significance .B+W photos and illustrations.
ISBN: 300534
Publication Date: 1975
Pages: 16
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Publisher: U.S. government printing office
Book Type: Paperback
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