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Michigan

Great Sand Bay beach

Agate beach or gravel Documented siteLegal to collect

What you could find

Reported finds from this ground.

Agates and jasperAgates and jasper
Nails and fittingsNails and fittings

Also reported: datolite pebbles, epidote, prehnite.

Photos via Wikimedia Commons: Teerui (Public domain), North Lincolnshire Museum, Martin Foreman, (CC BY 2.0).

Why this spot

Keweenaw bay between Eagle River and Eagle Harbor cut into copper-country basalt

Fixture of Keweenaw beach collecting guides.

Before you go

Hazards noted for this site.

cold water, rip currents

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.