9 Bedrock Mortars Near Sunol Regional Wilderness Interpretative Center
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9 Bedrock Mortars Near Sunol Regional Wilderness Interpretative Center


9 bedrock mortars
Near Sunol Regional Wilderness Interpretative Center.

Alameda Creek is the Bay Area’s largest. Many of its streambed cobbles look like pre-shaped pestles. Perhaps they were valuable trade items.

The park authorities acknowledge and celebrate the Indian presence here.