Devils Postpile

Hexagonal Columns of Cooled Lava

Devils Postpile is a rock formation on Middle Fork San Joaquin River in Devils Postpile National Monument, CA.

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Devils Postpile
Devils Postpile
Devils Postpile
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Few places in the United States contain as much geological diversity as California’s Mono County. While its many mountains and valleys prominently showcase the processes shaping our earth’s crust, the Mono Basin captivates one’s imagination with dramatic evidence of its volcanic nature.  This region…
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