Illinois
Peru, LaSalle County Illinois River and I and M Canal town
Tidal foreshore Source-confirmed findsGray area
What you could find
Reported finds from this ground.
Old bottles
Sea potteryAlso reported: clock and plow-works industrial glass.
Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0), NPS (Public domain).
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Why this spot
1880s+ Sanborn-mapped town on Illinois and Michigan Canal
Twin city to La Salle at the canal head of navigation; brewing and manufacturing lots near the water are productive.
Keep exploring nearby
More spots in this area.