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California

Mendocino, CA

Big River mouth doghole lumber port

Riverbank Source-confirmed findsGray area

What you could find

Reported finds from this ground.

Old bottlesOld bottles
Sea potterySea pottery

Also reported: redwood-mill and hotel refuse.

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

Why this spot

1890s+ Sanborn-mapped town on Pacific coast (Big River mouth)

An 1890 Sanborn confirms a built-out mill town at a coastal river mouth, exactly the kind of doghole port whose privies and shoreline dumps hold dense bottle-era refuse.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.