The geology of Bidwell Park reveals much of the volcanic history of the area and the sediments that came before.
The Pentz location, though capped with the same volcanic flows as Bidwell Park, is underlain by different - and much older - rocks.
Table Mountain shares some rock formations with Bidwell Park and others with Pentz. It's unique combination of layers is the final piece that fits all of the rocks in the proper geologic sequence.
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