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Wisconsin

Milwaukee harbor, river mouth, and Menomonee Valley

Tidal mudflat Source-confirmed findsGray area

What you could find

Reported finds from this shoreline.

Sea potterySea pottery
Codd and soda bottlesCodd and soda bottles
Stoneware ginger beersStoneware ginger beers

Also reported: Heavy brewery output (Blatz, Pabst, Schlitz, druggist and bitters bottles, clay marbles and privy-pit household refuse..

Photos via Wikimedia Commons: NPS (Public domain), Liz West (CC BY 2.0), Partonez (CC BY-SA 4.0).

Why this spot

1890s+ Sanborn-mapped town on Lake Michigan harbor and the Milwaukee, Menomonee, and Kinnickinnic rivers

Major bottle-era port and brewing center; oldest LOC Sanborn edition read is 1894, with dense industrial and residential coverage.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.