Illinois
Cairo, Alexander County Ohio and Mississippi confluence port
Riverbank Source-confirmed findsGray area
What you could find
Reported finds from this ground.
Sea pottery
Old bottlesPhotos via Wikimedia Commons: NPS (Public domain), Sheila Sund (CC BY 2.0).
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Why this spot
1880s+ Sanborn-mapped town on Ohio River
Major steamboat port at the two-river confluence; the levee-protected old commercial district holds the richest deposits.
Keep exploring nearby
More spots in this area.