Picture of a display at the Red Rock Canyon State park in California, USA as of October 2013. It shows a mammal like elephant tusk called gomphothere. The fossils are from the Claredonian era (late Miocene epoch - Neogene Period) and were found in the Dove Spring Formation.
Learn more about fossils from this area: http://inyo.coffeecup.com/site/redrock/redrockfossils.html
Thanks to Kenny for the picture.
Image of more remains.
