Petrified Log From The Upper Cretaceous Moreno Formation, California

A petrified log from the upper Cretaceous section of the upper Cretaceous to Paleocene Moreno Formation on display at the University California Museum of Paleontology in Berkeley. From a locality near the western edge of California's Great Central Valley. Photograph courtesy BrianSphere, from his Wikipedia Commons page; photograph taken on April 18, 2009.

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