Native Olympia oysters were once abundant in the San Francisco Bay. But overharvesting and increasing sediment from the Gold Rush mining era had all but wiped them out by the 1860’s when they were a popular and cheap food. We’ll talk about how hard working oysters help clean waterways and provide important habitat for other sea life, and what efforts are underway to bring them back. And we’ll hear about why Olympia oysters were prized by indigenous peoples and miners alike.

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