Baculite Mesa, Pierre Shale, Pueblo, CO - 5/17/2003

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Baculite (unident.) showing predation markings where another creature left small trough structures after the baculite died. Rusty Zone or Tepee Zone of Pierre Shale. Collector: Steve Wagner.
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Baculite (unident.) showing predation markings where another creature left small trough structures after the baculite died. Rusty Zone or Tepee Zone of Pierre Shale. Collector: Steve Wagner.