Michigan
Port Huron (St. Clair River shipping hub)
Tidal mudflat Source-confirmed findsGray area
What you could find
Reported finds from this shoreline.
Old bottlesAlso reported: druggists, marine-terminal and dock debris; a busy rail and shipping crossroads..
Photos via Wikimedia Commons: Sheila Sund (CC BY 2.0).
Why this spot
1880s+ Sanborn-mapped town on St. Clair River at the outlet of Lake Huron, harbor and Black River
Coverage from 1887; target the Black River mouth and the St. Clair River docks.
Keep exploring nearby
More spots in this area.