Complex sentence: The highest point in the range is Aztec Peak, at an elevation of 2345 m (7694 ft), and which is the site of a U.S. Forest Service fire lookout once staffed by noted Arizona essayist and novelist Edward Abbey.
Split into simpler sentences: The highest point in the range is Aztec Peak, at an elevation of 2345 m (7694 ft). This summit is the site of a U.S. Forest Service fire lookout once staffed by noted Arizona essayist and novelist Edward Abbey.