Park Interpreter David Low points to amsonia bushes during a hiking tour that he is leading at the Spring Mountain Ranch State Park on Sunday, April 9, 2017, in Blue Diamond, Nevada. Christian K. …

Park Interpreter David Low points to amsonia bushes during a hiking tour that he is leading at the Spring Mountain Ranch State Park on Sunday, April 9, 2017, in Blue Diamond, Nevada. Christian K. Lee Las Vegas Review-Journal @chrisklee_jpeg