Rock art is seen on May 20, 2014, in the White River Narrows area, about 130 miles north of Las …

Rock art is seen on May 20, 2014, in the White River Narrows area, about 130 miles north of Las ...

Rock art is seen on May 20, 2014, in the White River Narrows area, about 130 miles north of Las Vegas, in the Basin and Range National Monument. (Jeff Scheid/Las Vegas Review-Journal)