Utah
Brigham City (Box Elder Creek near Bear River Bay)
Tidal mudflat Source-confirmed findsGray area
What you could find
Reported finds from this shoreline.
Old bottles
Sea pottery
Codd and soda bottlesAlso reported: and creek-bank and back-lot dumps behind the Main Street blocks on the 1884 and 1890 sheets..
Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0), NPS (Public domain), Liz West (CC BY 2.0).
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Why this spot
1880s+ Sanborn-mapped town on At the mouth of Box Elder Canyon on Box Elder Creek, just east of the Bear River Bay marshes of Great Salt Lake
Box Elder County seat and cooperative center; the 1884 first edition is a solid pre-1900 anchor for the early commercial district at the canyon mouth.
Keep exploring nearby
More spots in this area.