Web Extra: Sibley Volcanic Regional Preserve

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As sure as the earth moves in Berkeley, there's a volcano just off Skyline Boulevard. Not just any volcano, mind you. This one's laying on its side with its guts exposed. You might not recognize it right away, owing to its reclining position and the grassy coat it's adopted. But among the shrubs and grasses at Sibley Regional Volcanic Preserve, you'll find the rocky body and layered underpinnings of one of the largest of a handful of volcanoes that once dotted our geologic neighborhood.

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