Celebrating 50 Years of Wyoming Jade, Official State Gemstone. 1967-2017

White gypsum layer preserved in Permian Goose Egg Formation

Photo: Walter A. Sullivan

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Expert Field Assistant with Sherman Granite, SE Wyoming.

Photo: Robert Gregory

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Eocene Wagon Bed and Wind River Formations.

Uranium Reclamation in background. Photo: Wayne Sutherland

Honeycomb Buttes. Arkosic siltstone, claystone and sandstone.

Photo: Suzanne Luhr