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California

Castroville, CA

Salinas mouth at Elkhorn Slough

Tidal mudflat Source-confirmed findsGray area

What you could find

Reported finds from this shoreline.

Old bottlesOld bottles
Sea potterySea pottery

Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0), NPS (Public domain).

Why this spot

1890s+ Sanborn-mapped town on Pacific coast (Monterey Bay / Elkhorn Slough)

A developed town at the Salinas mouth and Elkhorn Slough, mapped by Sanborn in 1892, sits on wet ground where privies and slough dumps preserve glass well.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.