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Idaho

Coal Mine Basin opalized wood

Fossil site Documented siteGray area
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What you could find

Reported finds from this ground.

OpalOpal
Petrified woodPetrified wood

Photos via Wikimedia Commons: Dpulitzer (CC BY-SA 4.0), Jon Sullivan (Public domain).

Why this spot

Owyhee border badlands known for opalized and petrified wood in ash beds

Documented in Owyhee-region rockhound guides.

Before you go

Hazards noted for this site.

remote, slick bentonite

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.
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Succor Creek OR: thundereggs8 km away · Gem locality
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Succor Creek, Oregon9 km away · Agate beach or gravel
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