Discovering a Coastal Rock’s Prehistoric Legacy – June 5, 2017

The Sonoma Coast’s “mammoth rocks” got that name from smooth areas possibly caused by big animals rubbing against them. But is it true?

Smooth surface areas on some large rocks on the Sonoma Coast might be a remnant of prehistoric animals rubbing against them, but actual evidence to justify the popular name given to these Mammoth Rocks” has been elusive.

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