Illinois
Ottawa, 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.
Codd and soda bottles
Old bottles
Sea potteryAlso reported: Glass cullet from the silica-sand glass industry.
Photos via Wikimedia Commons: Liz West (CC BY 2.0), 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
Silica-sand and glassmaking town where the Fox meets the Illinois and the canal; glasshouse dumps and canal banks are prime.
Keep exploring nearby
More spots in this area.