Complex sentence: It was to be located on federal land adjacent to the Nevada Test Site in Nye County, Nevada, about northwest of the Las Vegas metropolitan areaository was within Yucca Mountain, a ridge line in the south-central part of Nevada near its border with California.
Split into simpler sentences: It was to be located on federal land adjacent to the Nevada Test Site in Nye County, Nevada, about northwest of the Las Vegas metropolitan area. The proposed repository was within Yucca Mountain, a ridge line in the south-central part of Nevada near its border with California.