Nebraska Geologic Map 12 3/8†x 29 9/16†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 SOLD