Using satellite images, maps and the scenery below Compean’s feet in the photo, Kuo was able to estimate the coordinates of where he believed the man had gone missing. Kuo sent his tip to the sheriff’s office, and a helicopter was sent to survey the area Tuesday. There, as if by magic, was Compean.
— Read on www.sfgate.com/california-parks/article/missing-waterman-hiker-satellite-images-found-16100690.php