Saturday, December 09, 2006

Scientist thinks mammoths rubbed rocks 12,000 years ago

"Parkman believes, and he has a growing body of evidence to prove that mammoths and other large Ice Age creatures once used these very rocks near Duncan's Landing, along the Sonoma Coast State Beach, to scratch their backs. He claims the giant mammals rubbed so much that large swaths of rock have been buffered smooth."
SFGate

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