Explore / / California
California
East Bay shore off old Hayward/San Lorenzo dumps
Tidal mudflat Documented siteGray area
What you could find
Reported finds from this shoreline.
Sea potteryPhotos via Wikimedia Commons: NPS (Public domain).
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Why this spot
1890s-1930s dumps (late for your specialty)
Direct first-person testimony (incl. an 1860s bottle) - but decades old.
Keep exploring nearby
More spots in this area.