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Wyoming

Fossil Butte area (Warfield fee quarry), Wyoming

Fossil site Documented sitePermission required

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals

Also reported: Knightia and Diplomystus fish plates split from limestone at private fee quarries.

Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).

Why this spot

Eocene Green River

Fish fossils; park land off-limits, fee quarries legal.

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.