Miwok Acorn Festival | Article about Miwok Acorn Festival ...
The huge limestone grinding rock or chaw'se that can be seen in an open meadow at Grinding Rock State Park has become a monument to the Miwok's survival. It has more grinding cups or mortar holes (1,185) than any other grinding rock in North America, and when the cups fill with rainwater, they look like round, glistening footprints across the ...
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