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Research Article

Revised Lithostratigraphy of the Sonsela Member (Chinle Formation, Upper Triassic) in the Southern Part of Petrified Forest National Park, Arizona

  • Jeffrey W. Martz mail,

    typothorax@gmail.com

    Affiliation: Division of Resource Management, Petrified Forest National Park, Petrified Forest, Arizona, United States of America

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  • William G. Parker

    Affiliation: Division of Resource Management, Petrified Forest National Park, Petrified Forest, Arizona, United States of America

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  • Published: February 19, 2010
  • DOI: 10.1371/journal.pone.0009329
  • Published in PLOS ONE

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