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Featured, Geologic Art

Nebraska Geologic Map

Fossiliferous limestone, orbicular rhyolite, epidote conglomerate, fossiliferous jasper, sodalite syenite, agate, slate; blue chalcedony drusy, fossilized palm wood, fossilized artiodactyls tooth – Merycoidodon culbertsoni, fossilized brachiopod, fossilized shark teeth, gabbro