| Fossil bone-bearing mudstones and siltstones of the late Middle Miocene Dove Spring Formation exposed along one of the many dry washes and gullies directly northwest of the campground at Red Rock Canyon State Park; fossil collecting is of course not allowed in Red Rock Canyon State Park, California, except by special permit issued by the California State Parks authorities to fully qualified, trained scientists with a degree from an accredited university whose research projects can be verified as authentic by independent investigators. |