 Salt Lake County Sheriff's Office deputies say the 80-year-old man who died in Big Cottonwood Canyon on Monday was an experienced hiker. Deputies say Mohammed Abdullah had gone for a 6 a.m. hike yesterday and fell about 200 feet from the Sundial Trail just south of Lake Blanche. Abdullah's body was located by a helicopter search and rescue crew. His body was brought down from the canyon just before noon. The medical examiner will determine the cause of death.