Ranch and resource manager Bernard Petersen cleans off the box screen that get debris out of an irrigation line at Great Basin Ranch in Spring Valley, Monday, Aug. 7, 2017. Elizabeth Brumley Las V …

Ranch and resource manager Bernard Petersen cleans off the box screen that get debris out of an irrigation line at Great Basin Ranch in Spring Valley, Monday, Aug. 7, 2017. Elizabeth Brumley Las Vegas Review-Journal